| Order | Family | Species | Occurrence | FishBase name | Name in Country |
|---|---|---|---|---|---|
| Beloniformes | Belonidae | Ablennes hians | native | Flat needlefish | |
| Characiformes | Anostomidae | Abramites hypselonotus | native | Marbled headstander | |
| Ovalentaria/misc | Pomacentridae | Abudefduf saxatilis | native | Sergeant-major | |
| Ovalentaria/misc | Pomacentridae | Abudefduf taurus | native | Night sergeant | |
| Characiformes | Characidae | Acanthocharax microlepis | native | ||
| Scombriformes | Scombridae | Acanthocybium solandri | native | Wahoo | |
| Siluriformes | Doradidae | Acanthodoras cataphractus | native | Spiny catfish | |
| Siluriformes | Doradidae | Acanthodoras spinosissimus | native | Talking catfish | Kiru-kiru |
| Tetraodontiformes | Ostraciidae | Acanthostracion polygonium | native | Honeycomb cowfish | |
| Tetraodontiformes | Ostraciidae | Acanthostracion quadricornis | native | Scrawled cowfish | |
| Acanthuriformes | Acanthuridae | Acanthurus chirurgus | native | Doctorfish | |
| Acanthuriformes | Acanthuridae | Acanthurus coeruleus | native | Blue tang surgeonfish | |
| Cichliformes | Cichlidae | Acarichthys heckelii | native | Threadfin acara | |
| Cichliformes | Cichlidae | Acaronia nassa | native | Bigeye cichlid | |
| Characiformes | Acestrorhynchidae | Acestrorhynchus falcatus | native | ||
| Characiformes | Acestrorhynchidae | Acestrorhynchus falcirostris | native | ||
| Characiformes | Acestrorhynchidae | Acestrorhynchus microlepis | native | Pike characin | |
| Characiformes | Acestrorhynchidae | Acestrorhynchus nasutus | native | ||
| Pleuronectiformes | Achiridae | Achirus achirus | native | Drab sole | |
| Pleuronectiformes | Achiridae | Achirus lineatus | native | Lined sole | |
| Characiformes | Serrasalmidae | Acnodon oligacanthus | native | ||
| Cichliformes | Cichlidae | Aequidens potaroensis | endemic | ||
| Cichliformes | Cichlidae | Aequidens tetramerus | native | Saddle cichlid | |
| Myliobatiformes | Aetobatidae | Aetobatus narinari | native | Whitespotted eagle ray | Spotted eagle ray |
| Siluriformes | Auchenipteridae | Ageneiosus inermis | native | Manduba | |
| Siluriformes | Auchenipteridae | Ageneiosus marmoratus | native | Bottlenose catfish | |
| Siluriformes | Auchenipteridae | Ageneiosus ucayalensis | native | ||
| Characiformes | Triportheidae | Agoniates halecinus | native | ||
| Gymnotiformes | Hypopomidae | Akawaio penak | endemic | ||
| Albuliformes | Albulidae | Albula vulpes | native | Bonefish | Bonefish |
| Notacanthiformes | Halosauridae | Aldrovandia oleosa | native | ||
| Carangiformes | Carangidae | Alectis ciliaris | native | African pompano | |
| Aulopiformes | Alepisauridae | Alepisaurus brevirostris | native | Short snouted lancetfish | |
| Aulopiformes | Alepisauridae | Alepisaurus ferox | native | Long snouted lancetfish | |
| Lamniformes | Alopiidae | Alopias superciliosus | native | Bigeye thresher | |
| Lamniformes | Alopiidae | Alopias vulpinus | native | Thresher | |
| Perciformes/Serranoidei | Epinephelidae | Alphestes afer | native | Mutton hamlet | |
| Tetraodontiformes | Monacanthidae | Aluterus monoceros | native | Unicorn leatherjacket filefish | |
| Tetraodontiformes | Monacanthidae | Aluterus schoepfii | native | Orange filefish | |
| Siluriformes | Doradidae | Amblydoras affinis | native | Saurauwari | |
| Characiformes | Crenuchidae | Ammocryptocharax lateralis | native | ||
| Characiformes | Crenuchidae | Ammocryptocharax vintonae | native | ||
| Siluriformes | Ariidae | Amphiarius phrygiatus | native | Kukwari sea catfish | |
| Siluriformes | Ariidae | Amphiarius rugispinis | native | Softhead sea catfish | |
| Batrachoidiformes | Batrachoididae | Amphichthys cryptocentrus | native | Bocon toadfish | |
| Cyprinodontiformes | Anablepidae | Anableps anableps | native | Largescale foureyes | Foureye |
| Cyprinodontiformes | Anablepidae | Anableps microlepis | native | Foureyes | Foureye |
| Cyprinodontiformes | Rivulidae | Anablepsoides holmiae | endemic | ||
| Cyprinodontiformes | Rivulidae | Anablepsoides lanceolatus | endemic | ||
| Cyprinodontiformes | Rivulidae | Anablepsoides mazaruni | endemic | ||
| Cyprinodontiformes | Rivulidae | Anablepsoides stagnatus | native | ||
| Cyprinodontiformes | Rivulidae | Anablepsoides waimacui | endemic | ||
| Clupeiformes | Engraulidae | Anchoa cubana | native | Cuban anchovy | |
| Clupeiformes | Engraulidae | Anchoa filifera | native | Longfinger anchovy | |
| Clupeiformes | Engraulidae | Anchoa hepsetus | native | Broad-striped anchovy | |
| Clupeiformes | Engraulidae | Anchoa lamprotaenia | native | Big-eye anchovy | |
| Clupeiformes | Engraulidae | Anchoa lyolepis | native | Shortfinger anchovy | |
| Clupeiformes | Engraulidae | Anchoa spinifer | native | Spicule anchovy | Herring |
| Clupeiformes | Engraulidae | Anchovia clupeoides | native | Zabaleta anchovy | |
| Clupeiformes | Engraulidae | Anchovia surinamensis | native | Surinam anchovy | |
| Clupeiformes | Engraulidae | Anchoviella brevirostris | native | Snubnose anchovy | |
| Clupeiformes | Engraulidae | Anchoviella cayennensis | native | Cayenne anchovy | |
| Clupeiformes | Engraulidae | Anchoviella guianensis | native | Guyana anchovy | |
| Clupeiformes | Engraulidae | Anchoviella lepidentostole | native | Broadband anchovy | |
| Clupeiformes | Engraulidae | Anchoviella manamensis | native | Manamo anchovy | |
| Siluriformes | Loricariidae | Ancistrus dolichopterus | native | Bushymouth catfish | |
| Siluriformes | Loricariidae | Ancistrus hoplogenys | native | ||
| Siluriformes | Loricariidae | Ancistrus kellerae | native | ||
| Siluriformes | Loricariidae | Ancistrus leucostictus | native | ||
| Siluriformes | Loricariidae | Ancistrus lithurgicus | native | ||
| Siluriformes | Loricariidae | Ancistrus nudiceps | endemic | ||
| Siluriformes | Loricariidae | Ancistrus saudades | native | ||
| Pleuronectiformes | Paralichthyidae | Ancylopsetta cycloidea | native | Cyclope flounder | |
| Pleuronectiformes | Paralichthyidae | Ancylopsetta kumperae | native | Foureyed flounder | |
| Eupercaria/misc | Haemulidae | Anisotremus surinamensis | native | Black margate | |
| Eupercaria/misc | Haemulidae | Anisotremus virginicus | native | Porkfish | Porkfish |
| Trachichthyiformes | Anoplogastridae | Anoplogaster cornuta | native | Common fangtooth | |
| Characiformes | Anostomidae | Anostomoides laticeps | native | ||
| Characiformes | Anostomidae | Anostomus anostomus | native | Striped headstander | |
| Characiformes | Anostomidae | Anostomus ternetzi | native | ||
| Lophiiformes | Antennariidae | Antennarius scaber | native | ||
| Lophiiformes | Antennariidae | Antennarius striatus | native | Striated frogfish | |
| Perciformes/Serranoidei | Anthiadidae | Anthias asperilinguis | native | ||
| Perciformes/Serranoidei | Anthiadidae | Anthias nicholsi | native | Yellowfin bass | |
| Acanthuriformes | Antigoniidae | Antigonia capros | native | Deepbody boarfish | |
| Acanthuriformes | Antigoniidae | Antigonia combatia | native | Shortspine boarfish | |
| Characiformes | Parodontidae | Apareiodon agmatos | native | ||
| Characiformes | Parodontidae | Apareiodon gransabana | native | ||
| Characiformes | Characidae | Aphyocharacidium melandetum | native | ||
| Characiformes | Characidae | Aphyocharax erythrurus | native | Flametail tetra | |
| Characiformes | Characidae | Aphyodite grammica | native | ||
| Pleuronectiformes | Achiridae | Apionichthys dumerili | native | Longtail sole | Flounder |
| Pleuronectiformes | Achiridae | Apionichthys finis | native | Flounder | |
| Cichliformes | Cichlidae | Apistogramma ortmanni | native | ||
| Cichliformes | Cichlidae | Apistogramma rupununi | native | Two-spot Apistogramma | Two-spot Apistogramma |
| Cichliformes | Cichlidae | Apistogramma steindachneri | native | ||
| Anguilliformes | Ophichthidae | Aplatophis chauliodus | native | Fangtooth snake-eel | |
| Kurtiformes | Apogonidae | Apogon pseudomaculatus | native | Twospot cardinalfish | |
| Carcharhiniformes | Pentanchidae | Apristurus parvipinnis | native | Smallfin catshark | |
| Gymnotiformes | Apteronotidae | Apteronotus albifrons | native | Black ghost | |
| Gymnotiformes | Apteronotidae | Apteronotus leptorhynchus | native | ||
| Eupercaria/misc | Sparidae | Archosargus probatocephalus | native | Sheepshead | |
| Eupercaria/misc | Sparidae | Archosargus rhomboidalis | native | Western Atlantic seabream | |
| Argentiniformes | Argentinidae | Argentina brucei | native | Bruce's argentine | |
| Argentiniformes | Argentinidae | Argentina striata | native | Striated argentine | |
| Scombriformes | Ariommatidae | Ariomma bondi | native | Silver-rag driftfish | |
| Scombriformes | Ariommatidae | Ariomma regulus | native | Spotted driftfish | |
| Anguilliformes | Congridae | Ariosoma anale | native | Longtrunk conger | |
| Anguilliformes | Congridae | Ariosoma coquettei | native | ||
| Siluriformes | Ariidae | Aspistor quadriscutis | native | Bressou sea catfish | |
| Siluriformes | Aspredinidae | Aspredinichthys filamentosus | native | Sevenbarbed banjo | |
| Siluriformes | Aspredinidae | Aspredinichthys tibicen | native | Tenbarbed banjo | |
| Siluriformes | Aspredinidae | Aspredo aspredo | native | Banjo catfish | |
| Perciformes/Uranoscopoidei | Uranoscopidae | Astroscopus ygraecum | native | Southern stargazer | |
| Characiformes | Characidae | Astyanax bimaculatus | native | Twospot astyanax | |
| Characiformes | Characidae | Astyanax rupununi | native | ||
| Atheriniformes | Atherinopsidae | Atherinella brasiliensis | native | Brazilian silversides | |
| Atheriniformes | Atherinidae | Atherinomorus stipes | native | Hardhead silverside | |
| Siluriformes | Auchenipteridae | Auchenipterus ambyiacus | native | ||
| Siluriformes | Auchenipteridae | Auchenipterus brevior | native | ||
| Siluriformes | Auchenipteridae | Auchenipterus demerarae | native | ||
| Syngnathiformes | Aulostomidae | Aulostomus maculatus | native | Trumpetfish | |
| Cyprinodontiformes | Rivulidae | Austrofundulus limnaeus | native | ||
| Cyprinodontiformes | Rivulidae | Austrofundulus rupununi | native | ||
| Scombriformes | Scombridae | Auxis rochei | native | Bullet tuna | |
| Scombriformes | Scombridae | Auxis thazard | native | Frigate tuna | |
| Gobiiformes | Gobiidae | Awaous flavus | native | ||
| Ovalentaria/misc | Pomacentridae | Azurina multilineata | native | Brown chromis | |
| Siluriformes | Ariidae | Bagre bagre | native | Coco sea catfish | Sea catfish |
| Siluriformes | Ariidae | Bagre marinus | native | Gafftopsail sea catfish | Catfish |
| Eupercaria/misc | Sciaenidae | Bairdiella ronchus | native | Ground croaker | |
| Perciformes/Serranoidei | Anthiadidae | Baldwinella aureorubens | native | Streamer bass | |
| Tetraodontiformes | Balistidae | Balistes capriscus | native | Grey triggerfish | Turbot |
| Tetraodontiformes | Balistidae | Balistes vetula | native | Queen triggerfish | Queen triggerfish |
| Perciformes/Serranoidei | Liopropomatidae | Bathyanthias mexicanus | native | Yellowtail bass | |
| Anguilliformes | Congridae | Bathycongrus bullisi | native | Bullish conger | |
| Gadiformes | Bathygadidae | Bathygadus melanobranchus | native | Vaillant's grenadier | |
| Aulopiformes | Ipnopidae | Bathymicrops regis | native | ||
| Aulopiformes | Ipnopidae | Bathytyphlops marionae | native | Marion's spiderfish | |
| Anguilliformes | Congridae | Bathyuroconger vicinus | native | Large-toothed conger | |
| Batrachoidiformes | Batrachoididae | Batrachoides surinamensis | native | Pacuma toadfish | |
| Siluriformes | Pseudopimelodidae | Batrochoglanis raninus | native | ||
| Siluriformes | Pseudopimelodidae | Batrochoglanis villosus | native | ||
| Perciformes/Bembropoidei | Bembropidae | Bembrops anatirostris | native | Duckbill flathead | |
| Beryciformes | Berycidae | Beryx decadactylus | native | Alfonsino | |
| Cichliformes | Cichlidae | Biotodoma cupido | native | Greenstreaked eartheater | |
| Characiformes | Hemiodontidae | Bivibranchia bimaculata | native | ||
| Characiformes | Hemiodontidae | Bivibranchia fowleri | native | ||
| Eupercaria/misc | Labridae | Bodianus pulchellus | native | Spotfin hogfish | |
| Eupercaria/misc | Labridae | Bodianus rufus | native | Spanish hogfish | |
| Myctophiformes | Myctophidae | Bolinichthys distofax | native | ||
| Pleuronectiformes | Bothidae | Bothus lunatus | native | Plate fish | |
| Pleuronectiformes | Bothidae | Bothus maculiferus | native | Mottled flounder | |
| Pleuronectiformes | Bothidae | Bothus ocellatus | native | Eyed flounder | |
| Pleuronectiformes | Bothidae | Bothus robinsi | native | Twospot flounder | |
| Characiformes | Ctenoluciidae | Boulengerella cuvieri | native | ||
| Characiformes | Characidae | Brachychalcinus orbicularis | native | Discus tetra | |
| Eupercaria/misc | Haemulidae | Brachygenys chrysargyreum | native | Smallmouth grunt | |
| Siluriformes | Heptapteridae | Brachyglanis frenatus | native | ||
| Siluriformes | Heptapteridae | Brachyglanis melas | endemic | ||
| Siluriformes | Heptapteridae | Brachyglanis phalacra | endemic | ||
| Gymnotiformes | Hypopomidae | Brachyhypopomus beebei | native | ||
| Gymnotiformes | Hypopomidae | Brachyhypopomus brevirostris | native | Bluntnose knifefish | |
| Gymnotiformes | Hypopomidae | Brachyhypopomus bullocki | native | ||
| Gymnotiformes | Hypopomidae | Brachyhypopomus hendersoni | native | Knifefish | |
| Gymnotiformes | Hypopomidae | Brachyhypopomus pinnicaudatus | native | ||
| Gymnotiformes | Hypopomidae | Brachyhypopomus regani | native | Knife fish | |
| Gymnotiformes | Hypopomidae | Brachyhypopomus sullivani | native | ||
| Siluriformes | Pimelodidae | Brachyplatystoma filamentosum | native | Kumakuma | |
| Siluriformes | Pimelodidae | Brachyplatystoma vaillantii | native | Laulao catfish | Lalau |
| Siluriformes | Heptapteridae | Brachyrhamdia heteropleura | native | ||
| Gadiformes | Bregmacerotidae | Bregmaceros atlanticus | native | Antenna codlet | |
| Rajiformes | Rajidae | Breviraja nigriventralis | native | Blackbelly skate | |
| Ophidiiformes | Ophidiidae | Brotula barbata | native | Bearded brotula | |
| Characiformes | Bryconidae | Brycon amazonicus | native | ||
| Characiformes | Bryconidae | Brycon falcatus | native | ||
| Characiformes | Bryconidae | Brycon pesu | native | Mourning tetra | Pesu |
| Characiformes | Characidae | Bryconamericus cinarucoense | native | ||
| Characiformes | Characidae | Bryconamericus hyphesson | native | ||
| Characiformes | Iguanodectidae | Bryconops affinis | native | Orangefin tetra | |
| Characiformes | Iguanodectidae | Bryconops caudomaculatus | native | Tailspot tetra | |
| Siluriformes | Aspredinidae | Bunocephalus amaurus | native | Camouflaged catfish | |
| Siluriformes | Aspredinidae | Bunocephalus chamaizelus | native | ||
| Siluriformes | Aspredinidae | Bunocephalus verrucosus | native | Gnarled catfish | |
| Characiformes | Chilodontidae | Caenotropus labyrinthicus | native | ||
| Characiformes | Chilodontidae | Caenotropus maculosus | native | ||
| Eupercaria/misc | Sparidae | Calamus bajonado | native | Jolthead porgy | |
| Eupercaria/misc | Sparidae | Calamus calamus | native | Saucereye porgy | |
| Eupercaria/misc | Sparidae | Calamus penna | native | Sheepshead porgy | |
| Eupercaria/misc | Sparidae | Calamus pennatula | native | Pluma porgy | |
| Siluriformes | Callichthyidae | Callichthys callichthys | native | Cascarudo | |
| Tetraodontiformes | Monacanthidae | Cantherhines pullus | native | Orangespotted filefish | |
| Cichliformes | Cichlidae | Caquetaia spectabilis | native | ||
| Carangiformes | Carangidae | Caranx bartholomaei | native | Yellow jack | |
| Carangiformes | Carangidae | Caranx crysos | native | Blue runner | |
| Carangiformes | Carangidae | Caranx hippos | native | Crevalle jack | Couvalli |
| Carangiformes | Carangidae | Caranx latus | native | Horse-eye jack | |
| Carangiformes | Carangidae | Caranx lugubris | native | Black jack | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus acronotus | native | Blacknose shark | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus brevipinna | native | Spinner shark | Blacktipped shark |
| Carcharhiniformes | Carcharhinidae | Carcharhinus falciformis | native | Silky shark | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus isodon | native | Finetooth shark | Smoothtooth shark |
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus limbatus | native | Blacktip shark | Black tip |
| Carcharhiniformes | Carcharhinidae | Carcharhinus longimanus | native | Oceanic whitetip shark | |
| Carcharhiniformes | Carcharhinidae | Carcharhinus obscurus | native | Dusky shark | Dusky shark |
| Carcharhiniformes | Carcharhinidae | Carcharhinus porosus | native | Smalltail shark | |
| Characiformes | Gasteropelecidae | Carnegiella strigata | native | Marbled hatchetfish | |
| Siluriformes | Ariidae | Cathorops agassizii | native | ||
| Siluriformes | Ariidae | Cathorops arenatus | native | ||
| Siluriformes | Ariidae | Cathorops nuchalis | native | ||
| Siluriformes | Ariidae | Cathorops spixii | native | Madamango sea catfish | Spring cuirass |
| Characiformes | Serrasalmidae | Catoprion mento | native | Wimple piranha | |
| Eupercaria/misc | Latilidae | Caulolatilus chrysops | native | Atlantic goldeneye tilefish | |
| Eupercaria/misc | Latilidae | Caulolatilus guppyi | native | Reticulated tilefish | |
| Siluriformes | Auchenipteridae | Centromochlus carolae | native | ||
| Carangaria/misc | Centropomidae | Centropomus ensiferus | native | Swordspine snook | Snoek |
| Carangaria/misc | Centropomidae | Centropomus mexicanus | native | Largescale fat snook | |
| Carangaria/misc | Centropomidae | Centropomus parallelus | native | Fat snook | Grabb's snook |
| Carangaria/misc | Centropomidae | Centropomus pectinatus | native | Tarpon snook | |
| Carangaria/misc | Centropomidae | Centropomus undecimalis | native | Common snook | Common snook |
| Perciformes/Serranoidei | Epinephelidae | Cephalopholis cruentata | native | Graysby | |
| Perciformes/Serranoidei | Epinephelidae | Cephalopholis fulva | native | Coney | |
| Siluriformes | Pseudopimelodidae | Cephalosilurus albomarginatus | endemic | ||
| Clupeiformes | Engraulidae | Cetengraulis edentulus | native | Atlantic anchoveta | Anchovy |
| Siluriformes | Cetopsidae | Cetopsidium minutum | native | ||
| Siluriformes | Cetopsidae | Cetopsidium roae | native | ||
| Siluriformes | Cetopsidae | Cetopsidium soniae | native | ||
| Siluriformes | Cetopsidae | Cetopsis aspis | native | ||
| Cichliformes | Cichlidae | Chaetobranchus flavescens | native | Kunapari | Camarapaca |
| Acanthuriformes | Ephippidae | Chaetodipterus faber | native | Atlantic spadefish | Jackass |
| Characiformes | Chalceidae | Chalceus epakros | native | ||
| Characiformes | Chalceidae | Chalceus macrolepidotus | native | Pinktail chalceus | |
| Characiformes | Chalceidae | Chalceus taeniatus | native | ||
| Characiformes | Crenuchidae | Characidium amaila | native | ||
| Characiformes | Crenuchidae | Characidium pellucidum | native | ||
| Characiformes | Crenuchidae | Characidium pteroides | native | ||
| Characiformes | Crenuchidae | Characidium steindachneri | native | ||
| Characiformes | Crenuchidae | Characidium zebra | native | ||
| Characiformes | Characidae | Charax gibbosus | native | Glass headstander | |
| Characiformes | Characidae | Charax hemigrammus | native | ||
| Characiformes | Characidae | Charax rupununi | native | ||
| Pleuronectiformes | Bothidae | Chascanopsetta lugubris | native | Pelican flounder | |
| Siluriformes | Heptapteridae | Chasmocranus brevior | native | ||
| Siluriformes | Heptapteridae | Chasmocranus longior | native | ||
| Beloniformes | Exocoetidae | Cheilopogon cyanopterus | native | Margined flyingfish | |
| Beloniformes | Exocoetidae | Cheilopogon exsiliens | native | Bandwing flyingfish | |
| Beloniformes | Exocoetidae | Cheilopogon furcatus | native | Spotfin flyingfish | |
| Beloniformes | Exocoetidae | Cheilopogon melanurus | native | Atlantic flyingfish | |
| Characiformes | Chilodontidae | Chilodus punctatus | native | Spotted headstander | |
| Tetraodontiformes | Diodontidae | Chilomycterus spinosus | native | ||
| Clupeiformes | Pristigasteridae | Chirocentrodon bleekerianus | native | Dogtooth herring | |
| Hexanchiformes | Chlamydoselachidae | Chlamydoselachus anguineus | native | Frilled shark | |
| Aulopiformes | Chlorophthalmidae | Chlorophthalmus agassizi | native | Shortnose greeneye | |
| Carangiformes | Carangidae | Chloroscombrus chrysurus | native | Atlantic bumper | Spanish mackerel |
| Gobiiformes | Gobiidae | Chriolepis vespa | native | Wasp goby | |
| Cichliformes | Cichlidae | Cichla ocellaris | native | Peacock cichlid | Lukanani |
| Cichliformes | Cichlidae | Cichla temensis | native | Speckled pavon | |
| Cichliformes | Cichlidae | Cichlasoma bimaculatum | native | Black acara | Common patwa |
| Pleuronectiformes | Cyclopsettidae | Citharichthys gymnorhinus | native | Anglefin whiff | |
| Pleuronectiformes | Cyclopsettidae | Citharichthys spilopterus | native | Bay whiff | |
| Cichliformes | Cichlidae | Cleithracara maronii | native | Keyhole cichlid | |
| Gadiformes | Macrouridae | Coelorinchus caelorhincus | native | Hollowsnout grenadier | |
| Gadiformes | Macrouridae | Coelorinchus caribbaeus | native | Blackfin grenadier | |
| Gadiformes | Macrouridae | Coelorinchus occa | native | Swordsnout grenadier | |
| Tetraodontiformes | Tetraodontidae | Colomesus asellus | native | Amazon puffer | |
| Tetraodontiformes | Tetraodontidae | Colomesus psittacus | native | Banded puffer | |
| Characiformes | Serrasalmidae | Colossoma macropomum | introduced | Cachama | |
| Anguilliformes | Congridae | Conger esculentus | native | Grey conger | |
| Anguilliformes | Congridae | Conger triporiceps | native | Manytooth conger | |
| Eupercaria/misc | Haemulidae | Conodon nobilis | native | Barred grunt | |
| Eupercaria/misc | Priacanthidae | Cookeolus japonicus | native | Longfinned bullseye | |
| Characiformes | Lebiasinidae | Copella arnoldi | native | Splash tetra | |
| Characiformes | Lebiasinidae | Copella eigenmanni | native | ||
| Characiformes | Lebiasinidae | Copella nattereri | native | Spotted tetra | |
| Eupercaria/misc | Sciaenidae | Corvula sanctaeluciae | native | Striped croaker | St. Lucian corvina |
| Siluriformes | Callichthyidae | Corydoras aeneus | native | Bronze corydoras | |
| Siluriformes | Callichthyidae | Corydoras blochi | native | Spotback corydoras | |
| Siluriformes | Callichthyidae | Corydoras bondi | native | Blackstripe corydoras | |
| Siluriformes | Callichthyidae | Corydoras griseus | native | Gray corydoras | |
| Siluriformes | Callichthyidae | Corydoras melanistius | native | Bluespotted corydoras | |
| Siluriformes | Callichthyidae | Corydoras potaroensis | native | Potaro cory | |
| Siluriformes | Callichthyidae | Corydoras sipaliwini | native | Nail cory | |
| Siluriformes | Loricariidae | Corymbophanes ameliae | native | ||
| Siluriformes | Loricariidae | Corymbophanes andersoni | native | ||
| Siluriformes | Loricariidae | Corymbophanes kaiei | native | ||
| Carangiformes | Coryphaenidae | Coryphaena equiselis | native | Pompano dolphinfish | |
| Carangiformes | Coryphaenidae | Coryphaena hippurus | native | Common dolphinfish | Dolphin |
| Characiformes | Characidae | Creagrutus melanzonus | native | ||
| Cichliformes | Cichlidae | Crenicara punctulata | native | Checkerboard cichlid | |
| Cichliformes | Cichlidae | Crenicichla albopunctata | native | ||
| Cichliformes | Cichlidae | Crenicichla alta | native | Millet | |
| Cichliformes | Cichlidae | Crenicichla johanna | native | ||
| Cichliformes | Cichlidae | Crenicichla lugubris | native | ||
| Cichliformes | Cichlidae | Crenicichla reticulata | native | ||
| Cichliformes | Cichlidae | Crenicichla saxatilis | native | Ringtail pike cichlid | |
| Cichliformes | Cichlidae | Crenicichla strigata | native | ||
| Cichliformes | Cichlidae | Crenicichla vaillanti | native | ||
| Cichliformes | Cichlidae | Crenicichla wallacii | endemic | ||
| Characiformes | Crenuchidae | Crenuchus spilurus | native | Sailfin tetra | |
| Eupercaria/misc | Scaridae | Cryptotomus roseus | native | Bluelip parrotfish | |
| Characiformes | Characidae | Ctenobrycon spilurus | native | Silver tetra | |
| Cypriniformes | Xenocyprididae | Ctenopharyngodon idella | introduced | Grass carp | |
| Eupercaria/misc | Sciaenidae | Ctenosciaena gracilicirrhus | native | Barbel drum | Rockhead bashaw |
| Characiformes | Curimatidae | Curimata cyprinoides | native | ||
| Characiformes | Curimatidae | Curimata roseni | native | ||
| Characiformes | Curimatidae | Curimata vittata | native | ||
| Characiformes | Curimatidae | Curimatella alburnus | native | ||
| Characiformes | Curimatidae | Curimatella immaculata | native | ||
| Characiformes | Curimatidae | Curimatopsis cryptica | native | ||
| Pleuronectiformes | Cyclopsettidae | Cyclopsetta chittendeni | native | Mexican flounder | |
| Pleuronectiformes | Cyclopsettidae | Cyclopsetta fimbriata | native | Spotfin flounder | |
| Characiformes | Cynodontidae | Cynodon gibbus | native | ||
| Characiformes | Cynodontidae | Cynodon septenarius | native | ||
| Anguilliformes | Muraenesocidae | Cynoponticus savanna | native | Guayana pike-conger | Conger |
| Characiformes | Characidae | Cynopotamus essequibensis | native | ||
| Eupercaria/misc | Sciaenidae | Cynoscion acoupa | native | Acoupa weakfish | Grey snapper |
| Eupercaria/misc | Sciaenidae | Cynoscion jamaicensis | native | Jamaica weakfish | Table bashaw |
| Eupercaria/misc | Sciaenidae | Cynoscion leiarchus | native | Smooth weakfish | |
| Eupercaria/misc | Sciaenidae | Cynoscion microlepidotus | native | Smallscale weakfish | |
| Eupercaria/misc | Sciaenidae | Cynoscion similis | native | Tonkin weakfish | |
| Eupercaria/misc | Sciaenidae | Cynoscion steindachneri | native | Smalltooth weakfish | |
| Eupercaria/misc | Sciaenidae | Cynoscion virescens | native | Green weakfish | Bangamarymother |
| Characiformes | Curimatidae | Cyphocharax festivus | native | ||
| Characiformes | Curimatidae | Cyphocharax helleri | native | ||
| Characiformes | Curimatidae | Cyphocharax microcephalus | native | ||
| Characiformes | Curimatidae | Cyphocharax spilurus | native | Cuticuru | |
| Cyprinodontiformes | Cyprinodontidae | Cyprinodon variegatus | native | Sheepshead minnow | |
| Rajiformes | Rajidae | Dactylobatus clarkii | native | Hookskate | |
| Dactylopteriformes | Dactylopteridae | Dactylopterus volitans | native | Flying gurnard | |
| Carangiformes | Carangidae | Decapterus macarellus | native | Mackerel scad | |
| Carangiformes | Carangidae | Decapterus punctatus | native | Round scad | |
| Carangiformes | Carangidae | Decapterus tabl | native | Roughear scad | |
| Siluriformes | Cetopsidae | Denticetopsis iwokrama | native | ||
| Siluriformes | Cetopsidae | Denticetopsis macilenta | native | ||
| Characiformes | Lebiasinidae | Derhamia hoffmannorum | endemic | ||
| Perciformes/Serranoidei | Epinephelidae | Dermatolepis inermis | native | Marbled grouper | |
| Characiformes | Characidae | Deuterodon mutator | native | ||
| Characiformes | Characidae | Deuterodon potaroensis | native | ||
| Eupercaria/misc | Gerreidae | Diapterus auratus | native | Irish mojarra | |
| Eupercaria/misc | Gerreidae | Diapterus rhombeus | native | Caitipa mojarra | Sea patwa |
| Tetraodontiformes | Diodontidae | Diodon hystrix | native | Spot-fin porcupinefish | |
| Perciformes/Serranoidei | Serranidae | Diplectrum bivittatum | native | Dwarf sand perch | |
| Perciformes/Serranoidei | Serranidae | Diplectrum formosum | native | Sand perch | Sandperch |
| Perciformes/Serranoidei | Serranidae | Diplectrum radiale | native | Pond perch | |
| Torpediniformes | Narcinidae | Diplobatis picta | native | Painted electric ray | |
| Eupercaria/misc | Sparidae | Diplodus caudimacula | native | Silver porgy | |
| Rajiformes | Rajidae | Dipturus bullisi | native | Bullis skate | |
| Gymnotiformes | Sternopygidae | Distocyclus conirostris | native | ||
| Siluriformes | Doradidae | Doras carinatus | native | ||
| Siluriformes | Doradidae | Doras micropoeus | native | ||
| Gobiiformes | Eleotridae | Dormitator maculatus | native | Fat sleeper | |
| Anguilliformes | Synaphobranchidae | Dysommina rugosa | native | ||
| Carangiformes | Echeneidae | Echeneis naucrates | native | Live sharksucker | |
| Carangiformes | Echeneidae | Echeneis neucratoides | native | Whitefin sharksucker | |
| Anguilliformes | Muraenidae | Echidna catenata | native | Chain moray | |
| Anguilliformes | Ophichthidae | Echiophis intertinctus | native | Spotted spoon-nose eel | |
| Anguilliformes | Ophichthidae | Echiophis punctifer | native | Stippled spoon-nose eel | |
| Gymnotiformes | Sternopygidae | Eigenmannia macrops | native | ||
| Gymnotiformes | Sternopygidae | Eigenmannia nigra | native | ||
| Gymnotiformes | Sternopygidae | Eigenmannia virescens | native | Glass knifefish | |
| Carangiformes | Carangidae | Elagatis bipinnulata | native | Rainbow runner | |
| Gymnotiformes | Gymnotidae | Electrophorus electricus | native | Electric eel | |
| Gobiiformes | Eleotridae | Eleotris amblyopsis | native | Large-scaled spinycheek sleeper | |
| Gobiiformes | Eleotridae | Eleotris pisonis | native | Spinycheek sleeper | |
| Elopiformes | Elopidae | Elops saurus | native | Ladyfish | Long john |
| Elopiformes | Elopidae | Elops smithi | native | Malacho | |
| Anguilliformes | Muraenidae | Enchelycore nigricans | native | Viper moray | |
| Clupeiformes | Engraulidae | Engraulis eurystole | native | Silver anchovy | |
| Acropomatiformes | Epigonidae | Epigonus pandionis | native | Bigeye | |
| Perciformes/Serranoidei | Epinephelidae | Epinephelus adscensionis | native | Rock hind | |
| Perciformes/Serranoidei | Epinephelidae | Epinephelus guttatus | native | Red hind | |
| Perciformes/Serranoidei | Epinephelidae | Epinephelus itajara | native | Atlantic goliath grouper | Grouper |
| Perciformes/Serranoidei | Epinephelidae | Epinephelus morio | native | Red grouper | Brown grouper |
| Perciformes/Serranoidei | Epinephelidae | Epinephelus striatus | native | Nassau grouper | Grouper |
| Eupercaria/misc | Sciaenidae | Eques lanceolatus | native | Jack-knifefish | Lanceshaped ribbonfish |
| Eupercaria/misc | Sciaenidae | Equetus punctatus | native | Spotted drum | |
| Characiformes | Erythrinidae | Erythrinus erythrinus | native | ||
| Eupercaria/misc | Lutjanidae | Etelis oculatus | native | Queen snapper | |
| Pleuronectiformes | Cyclopsettidae | Etropus crossotus | native | Fringed flounder | |
| Eupercaria/misc | Gerreidae | Eucinostomus argenteus | native | Silver mojarra | |
| Eupercaria/misc | Gerreidae | Eucinostomus gula | native | Jenny mojarra | Silver Jenny |
| Eupercaria/misc | Gerreidae | Eucinostomus havana | native | Bigeye mojarra | |
| Eupercaria/misc | Gerreidae | Eucinostomus melanopterus | native | Flagfin mojarra | |
| Eupercaria/misc | Gerreidae | Eugerres plumieri | native | Striped mojarra | |
| Beloniformes | Hemiramphidae | Euleptorhamphus velox | native | Flying halfbeak | |
| Scombriformes | Scombridae | Euthynnus alletteratus | native | Little tunny | |
| Beloniformes | Exocoetidae | Exocoetus obtusirostris | native | Oceanic two-wing flyingfish | |
| Beloniformes | Exocoetidae | Exocoetus volitans | native | Tropical two-wing flyingfish | |
| Characiformes | Characidae | Exodon paradoxus | native | Bucktooth tetra | |
| Siluriformes | Loricariidae | Farlowella nattereri | native | ||
| Siluriformes | Loricariidae | Farlowella reticulata | native | ||
| Siluriformes | Loricariidae | Farlowella rugosa | native | ||
| Syngnathiformes | Fistulariidae | Fistularia tabacaria | native | Cornetfish | Cornet fish |
| Callionymiformes | Callionymidae | Foetorepus agassizii | native | Spotfin dragonet | |
| Myliobatiformes | Dasyatidae | Fontitrygon geijskesi | native | Sharpsnout stingray | |
| Gadiformes | Moridae | Gadella imberbis | native | Beardless codling | |
| Gadiformes | Bathygadidae | Gadomus arcuatus | native | Doublethread grenadier | |
| Carcharhiniformes | Galeocerdonidae | Galeocerdo cuvier | native | Tiger shark | |
| Characiformes | Gasteropelecidae | Gasteropelecus sternicla | native | River hatchetfish | |
| Scombriformes | Gempylidae | Gempylus serpens | native | Snake mackerel | |
| Eupercaria/misc | Haemulidae | Genyatremus luteus | native | Torroto grunt | Annafoke |
| Cichliformes | Cichlidae | Geophagus brachybranchus | native | ||
| Cichliformes | Cichlidae | Geophagus crocatus | native | ||
| Siluriformes | Auchenipteridae | Gephyromochlus leopardus | native | ||
| Eupercaria/misc | Gerreidae | Gerres cinereus | native | Yellow fin mojarra | |
| Orectolobiformes | Ginglymostomatidae | Ginglymostoma cirratum | native | Nurse shark | Nurse shark |
| Characiformes | Acestrorhynchidae | Gnathocharax steindachneri | native | ||
| Gobiiformes | Gobiidae | Gobioides broussonnetii | native | Violet goby | |
| Gobiiformes | Gobiidae | Gobioides grahamae | native | ||
| Gobiiformes | Eleotridae | Gobiomorus dormitor | native | Bigmouth sleeper | |
| Gobiiformes | Gobiidae | Gobionellus oceanicus | native | Highfin goby | |
| Siluriformes | Heptapteridae | Goeldiella eques | native | ||
| Perciformes/Serranoidei | Epinephelidae | Gonioplectrus hispanus | native | Spanish flag | |
| Cichliformes | Cichlidae | Guianacara dacrya | native | ||
| Cichliformes | Cichlidae | Guianacara sphenozona | native | ||
| Rajiformes | Gurgesiellidae | Gurgesiella atlantica | native | Atlantic pygmy skate | |
| Pleuronectiformes | Achiridae | Gymnachirus nudus | native | Naked sole | |
| Characiformes | Characidae | Gymnocorymbus thayeri | native | False black tetra | |
| Gymnotiformes | Rhamphichthyidae | Gymnorhamphichthys rondoni | native | Mousetail knifefish | |
| Anguilliformes | Muraenidae | Gymnothorax conspersus | native | Saddled moray | |
| Anguilliformes | Muraenidae | Gymnothorax funebris | native | Green moray | |
| Anguilliformes | Muraenidae | Gymnothorax miliaris | native | Goldentail moray | |
| Anguilliformes | Muraenidae | Gymnothorax moringa | native | Spotted moray | |
| Anguilliformes | Muraenidae | Gymnothorax ocellatus | native | Ocellated moray | |
| Anguilliformes | Muraenidae | Gymnothorax vicinus | native | Purplemouth moray | |
| Gymnotiformes | Gymnotidae | Gymnotus carapo | native | Banded knifefish | |
| Myliobatiformes | Gymnuridae | Gymnura micrura | native | Smooth butterfly ray | |
| Eupercaria/misc | Haemulidae | Haemulon album | native | White margate | Margate |
| Eupercaria/misc | Haemulidae | Haemulon aurolineatum | native | Tomtate grunt | Caesar |
| Eupercaria/misc | Haemulidae | Haemulon boschmae | native | Bronzestripe grunt | |
| Eupercaria/misc | Haemulidae | Haemulon carbonarium | native | Caesar grunt | |
| Eupercaria/misc | Haemulidae | Haemulon flavolineatum | native | French grunt | |
| Eupercaria/misc | Haemulidae | Haemulon macrostomum | native | Spanish grunt | |
| Eupercaria/misc | Haemulidae | Haemulon melanurum | native | Cottonwick grunt | Cottonwick |
| Eupercaria/misc | Haemulidae | Haemulon parra | native | Sailor's grunt | Sailor's choice |
| Eupercaria/misc | Haemulidae | Haemulon plumierii | native | White grunt | |
| Eupercaria/misc | Haemulidae | Haemulon sciurus | native | Bluestriped grunt | Bluestriped grunt |
| Eupercaria/misc | Haemulidae | Haemulon steindachneri | native | Chere-chere grunt | Latin grunt |
| Eupercaria/misc | Haemulidae | Haemulon striatum | native | Striped grunt | |
| Eupercaria/misc | Haemulidae | Haemulopsis corvinaeformis | native | Roughneck grunt | |
| Clupeiformes | Dorosomatidae | Harengula clupeola | native | False herring | |
| Clupeiformes | Dorosomatidae | Harengula humeralis | native | Redear herring | |
| Clupeiformes | Dorosomatidae | Harengula jaguana | native | Scaled herring | Guiana harring |
| Siluriformes | Doradidae | Hassar orestis | native | ||
| Perciformes/Scorpaenoidei | Sebastidae | Helicolenus dactylopterus | native | Blackbelly rosefish | |
| Siluriformes | Cetopsidae | Helogenes marmoratus | native | ||
| Perciformes/Serranoidei | Anthiadidae | Hemanthias leptus | native | Longtail bass | |
| Siluriformes | Loricariidae | Hemiancistrus megacephalus | native | ||
| Carangiformes | Carangidae | Hemicaranx amblyrhynchus | native | Bluntnose jack | |
| Characiformes | Characidae | Hemigrammus analis | native | ||
| Characiformes | Characidae | Hemigrammus cylindricus | native | ||
| Characiformes | Characidae | Hemigrammus erythrozonus | native | Glowlight tetra | |
| Characiformes | Characidae | Hemigrammus iota | native | ||
| Characiformes | Characidae | Hemigrammus ocellifer | native | Head-and-taillight tetra | |
| Characiformes | Characidae | Hemigrammus orthus | native | ||
| Characiformes | Characidae | Hemigrammus rodwayi | native | ||
| Characiformes | Characidae | Hemigrammus stictus | native | ||
| Characiformes | Characidae | Hemigrammus unilineatus | native | Featherfin tetra | |
| Siluriformes | Loricariidae | Hemiodontichthys acipenserinus | native | ||
| Characiformes | Hemiodontidae | Hemiodus amazonum | native | ||
| Characiformes | Hemiodontidae | Hemiodus argenteus | native | ||
| Characiformes | Hemiodontidae | Hemiodus atranalis | native | ||
| Characiformes | Hemiodontidae | Hemiodus quadrimaculatus | native | Barred hemiodus | |
| Characiformes | Hemiodontidae | Hemiodus semitaeniatus | native | Halfline hemiodus | |
| Characiformes | Hemiodontidae | Hemiodus unimaculatus | native | ||
| Characiformes | Hemiodontidae | Hemiodus vorderwinkleri | native | ||
| Beloniformes | Hemiramphidae | Hemiramphus balao | native | Balao halfbeak | |
| Beloniformes | Hemiramphidae | Hemiramphus brasiliensis | native | Ballyhoo halfbeak | |
| Siluriformes | Pimelodidae | Hemisorubim platyrhynchos | native | Porthole shovelnose catfish | |
| Siluriformes | Trichomycteridae | Henonemus taxistigmus | native | ||
| Hexanchiformes | Hexanchidae | Heptranchias perlo | native | Sharpnose sevengill shark | |
| Characiformes | Acestrorhynchidae | Heterocharax macrolepis | native | ||
| Eupercaria/misc | Priacanthidae | Heteropriacanthus cruentatus | native | Glasseye | |
| Hexanchiformes | Hexanchidae | Hexanchus vitulus | native | Atlantic bigeye sixgill shark | |
| Syngnathiformes | Syngnathidae | Hippocampus erectus | native | Lined seahorse | |
| Beloniformes | Exocoetidae | Hirundichthys affinis | native | Fourwing flyingfish | |
| Beloniformes | Exocoetidae | Hirundichthys speculiger | native | Mirrorwing flyingfish | |
| Beloniformes | Exocoetidae | Hirundichthys volador | native | Atlantic blackwing flyingfish | |
| Acanthuriformes | Pomacanthidae | Holacanthus ciliaris | native | Queen angelfish | |
| Acanthuriformes | Pomacanthidae | Holacanthus tricolor | native | Rock beauty | |
| Tetraodontiformes | Triacanthodidae | Hollardia hollardi | native | Reticulate spikefish | |
| Holocentriformes | Holocentridae | Holocentrus adscensionis | native | Squirrelfish | |
| Holocentriformes | Holocentridae | Holocentrus rufus | native | Longspine squirrelfish | |
| Characiformes | Erythrinidae | Hoplerythrinus unitaeniatus | native | Aimara | |
| Characiformes | Erythrinidae | Hoplias aimara | native | ||
| Characiformes | Erythrinidae | Hoplias curupira | native | Black wolf-fish | |
| Characiformes | Erythrinidae | Hoplias macrophthalmus | native | Giant trahira | |
| Characiformes | Erythrinidae | Hoplias malabaricus | native | Trahira | |
| Siluriformes | Callichthyidae | Hoplosternum littorale | native | Atipa | |
| Trachichthyiformes | Trachichthyidae | Hoplostethus occidentalis | native | Atlantic Roughy | |
| Characiformes | Cynodontidae | Hydrolycus armatus | native | ||
| Characiformes | Cynodontidae | Hydrolycus tatauaia | native | ||
| Gadiformes | Macrouridae | Hymenocephalus italicus | native | Glasshead grenadier | |
| Siluriformes | Loricariidae | Hypancistrus margaritatus | native | ||
| Myliobatiformes | Dasyatidae | Hypanus americanus | native | Southern stingray | |
| Myliobatiformes | Dasyatidae | Hypanus guttatus | native | Longnose stingray | Stingray |
| Characiformes | Characidae | Hyphessobrycon catableptus | native | ||
| Characiformes | Characidae | Hyphessobrycon eos | native | Dawn tetra | |
| Characiformes | Characidae | Hyphessobrycon minimus | native | ||
| Characiformes | Characidae | Hyphessobrycon minor | native | ||
| Characiformes | Characidae | Hyphessobrycon rosaceus | native | Rosy tetra | |
| Pleuronectiformes | Achiridae | Hypoclinemus mentalis | native | ||
| Characiformes | Anostomidae | Hypomasticus megalepis | native | ||
| Siluriformes | Pimelodidae | Hypophthalmus edentatus | native | Highwaterman catfish | Highwater |
| Gymnotiformes | Hypopomidae | Hypopomus artedi | native | ||
| Siluriformes | Loricariidae | Hypoptopoma guianense | native | ||
| Beloniformes | Hemiramphidae | Hyporhamphus roberti | native | Slender halfbeak | |
| Beloniformes | Hemiramphidae | Hyporhamphus unifasciatus | native | Common halfbeak | |
| Perciformes/Serranoidei | Epinephelidae | Hyporthodus flavolimbatus | native | Yellowedge grouper | White grouper |
| Perciformes/Serranoidei | Epinephelidae | Hyporthodus mystacinus | native | Misty grouper | Black grouper |
| Perciformes/Serranoidei | Epinephelidae | Hyporthodus niveatus | native | Snowy grouper | |
| Siluriformes | Loricariidae | Hypostomus hemiurus | native | ||
| Siluriformes | Loricariidae | Hypostomus macushi | native | ||
| Siluriformes | Loricariidae | Hypostomus plecostomus | native | Suckermouth catfish | Sea hasar |
| Siluriformes | Loricariidae | Hypostomus taphorni | native | ||
| Siluriformes | Loricariidae | Hypostomus watwata | native | Armored catfish | |
| Characiformes | Iguanodectidae | Iguanodectes spilurus | native | ||
| Carcharhiniformes | Carcharhinidae | Isogomphodon oxyrhynchus | native | Daggernose shark | |
| Eupercaria/misc | Sciaenidae | Isopisthus parvipinnis | native | Bigtooth corvina | |
| Carangiformes | Istiophoridae | Istiophorus albicans | native | Atlantic sailfish | |
| Lamniformes | Lamnidae | Isurus oxyrinchus | native | Shortfin mako | Pointed nose shark |
| Siluriformes | Trichomycteridae | Ituglanis gracilior | native | ||
| Characiformes | Characidae | Jupiaba abramoides | native | ||
| Characiformes | Characidae | Jupiaba essequibensis | native | ||
| Characiformes | Characidae | Jupiaba mucronata | native | ||
| Characiformes | Characidae | Jupiaba pinnata | native | ||
| Characiformes | Characidae | Jupiaba polylepis | native | ||
| Characiformes | Characidae | Jupiaba potaroensis | native | ||
| Carangiformes | Istiophoridae | Kajikia albida | native | Atlantic white marlin | |
| Scombriformes | Scombridae | Katsuwonus pelamis | native | Skipjack tuna | |
| Cichliformes | Cichlidae | Krobia guianensis | native | Krobia | |
| Cichliformes | Cichlidae | Krobia petitella | native | ||
| Centrarchiformes | Kyphosidae | Kyphosus incisor | native | Yellow sea chub | |
| Centrarchiformes | Kyphosidae | Kyphosus sectatrix | native | Bermuda sea chub | |
| Eupercaria/misc | Labridae | Lachnolaimus maximus | native | Hogfish | |
| Tetraodontiformes | Ostraciidae | Lactophrys bicaudalis | native | Spotted trunkfish | |
| Tetraodontiformes | Ostraciidae | Lactophrys trigonus | native | Buffalo trunkfish | |
| Tetraodontiformes | Ostraciidae | Lactophrys triqueter | native | Smooth trunkfish | |
| Tetraodontiformes | Tetraodontidae | Lagocephalus laevigatus | native | Smooth puffer | |
| Cyprinodontiformes | Rivulidae | Laimosemion agilae | native | ||
| Cyprinodontiformes | Rivulidae | Laimosemion breviceps | endemic | ||
| Cyprinodontiformes | Rivulidae | Laimosemion frenatus | native | ||
| Cyprinodontiformes | Rivulidae | Laimosemion mabura | endemic | ||
| Cyprinodontiformes | Rivulidae | Laimosemion mahdiaensis | native | ||
| Cyprinodontiformes | Rivulidae | Laimosemion paryagi | native | Paryag's killifish | Paryag's killifish |
| Cyprinodontiformes | Rivulidae | Laimosemion torrenticola | native | ||
| Lampriformes | Lampridae | Lampris guttatus | native | Opah | |
| Eupercaria/misc | Sciaenidae | Larimus breviceps | native | Shorthead drum | Cabezon |
| Siluriformes | Loricariidae | Lasiancistrus schomburgkii | native | ||
| Characiformes | Lebiasinidae | Lebiasina ardilai | endemic | ||
| Siluriformes | Pimelodidae | Leiarius arekaima | native | ||
| Siluriformes | Pimelodidae | Leiarius pictus | native | ||
| Scombriformes | Gempylidae | Lepidocybium flavobrunneum | native | Escolar | |
| Ophidiiformes | Ophidiidae | Lepophidium aporrhox | native | Dusky cusk eel | |
| Ophidiiformes | Ophidiidae | Lepophidium brevibarbe | native | Shortbeard cusk-eel | |
| Ophidiiformes | Ophidiidae | Lepophidium pheromystax | native | Blackedge cusk-eel | |
| Characiformes | Anostomidae | Leporinus alternus | native | ||
| Characiformes | Anostomidae | Leporinus arcus | native | Lipstick leporinus | |
| Characiformes | Anostomidae | Leporinus desmotes | native | ||
| Characiformes | Anostomidae | Leporinus friderici | native | Threespot leporinus | |
| Characiformes | Anostomidae | Leporinus granti | native | ||
| Characiformes | Anostomidae | Leporinus maculatus | native | Spotted leporinus | |
| Characiformes | Anostomidae | Leporinus nigrotaeniatus | native | Halfline leporinus | |
| Characiformes | Anostomidae | Leporinus paralternus | native | ||
| Characiformes | Anostomidae | Leporinus pellegrinii | native | ||
| Siluriformes | Doradidae | Leptodoras hasemani | native | ||
| Siluriformes | Doradidae | Leptodoras linnelli | native | ||
| Siluriformes | Heptapteridae | Leptorhamdia essequibensis | native | ||
| Clupeiformes | Dorosomatidae | Lile piquitinga | native | Atlantic piquitinga | |
| Siluriformes | Loricariidae | Limatulichthys griseus | native | ||
| Siluriformes | Loricariidae | Lithogenes villosus | native | ||
| Siluriformes | Loricariidae | Lithoxus lithoides | native | ||
| Acanthuriformes | Lobotidae | Lobotes surinamensis | native | Tripletail | Pargee |
| Ovalentaria/misc | Opistognathidae | Lonchopisthus higmani | native | ||
| Eupercaria/misc | Sciaenidae | Lonchurus elegans | native | Blackfin croaker | Chinese butterfish |
| Eupercaria/misc | Sciaenidae | Lonchurus lanceolatus | native | Longtail croaker | Chinese butterfish |
| Lophiiformes | Lophiidae | Lophiodes reticulatus | native | Reticulated goosefish | |
| Lophiiformes | Lophiidae | Lophius gastrophysus | native | Blackfin goosefish | |
| Eupercaria/misc | Latilidae | Lopholatilus chamaeleonticeps | native | Great northern tilefish | |
| Siluriformes | Loricariidae | Loricaria cataphracta | native | ||
| Siluriformes | Loricariidae | Loricariichthys brunneus | native | ||
| Siluriformes | Loricariidae | Loricariichthys microdon | native | ||
| Eupercaria/misc | Lutjanidae | Lutjanus analis | native | Mutton snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus apodus | native | Schoolmaster snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus buccanella | native | Blackfin snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus cyanopterus | native | Cubera snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus jocu | native | Dog snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus purpureus | native | Southern red snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus synagris | native | Lane snapper | |
| Eupercaria/misc | Lutjanidae | Lutjanus vivanus | native | Silk snapper | Silk snapper |
| Clupeiformes | Engraulidae | Lycengraulis batesii | native | Bates' sabretooth anchovy | Anchovy |
| Clupeiformes | Engraulidae | Lycengraulis grossidens | native | Atlantic sabretooth anchovy | Anchovy |
| Eupercaria/misc | Sciaenidae | Macrodon ancylodon | native | King weakfish | Bangamaree |
| Carangiformes | Istiophoridae | Makaira nigricans | native | Blue marlin | |
| Characiformes | Characidae | Makunaima guianensis | native | ||
| Gadiformes | Macrouridae | Malacocephalus laevis | native | Softhead grenadier | |
| Gadiformes | Macrouridae | Malacocephalus occidentalis | native | Western softhead grenadier | |
| Cichliformes | Cichlidae | Mazarunia charadrica | native | ||
| Cichliformes | Cichlidae | Mazarunia mazarunii | native | ||
| Cichliformes | Cichlidae | Mazarunia pala | native | ||
| Siluriformes | Callichthyidae | Megalechis picta | native | Spotted hoplo | |
| Siluriformes | Callichthyidae | Megalechis thoracata | native | ||
| Siluriformes | Pimelodidae | Megalonema amaxanthum | native | ||
| Siluriformes | Pimelodidae | Megalonema platycephalum | native | ||
| Elopiformes | Megalopidae | Megalops atlanticus | native | Tarpon | Tarpon |
| Characiformes | Crenuchidae | Melanocharacidium blennioides | native | ||
| Stomiiformes | Stomiidae | Melanostomias biseriatus | native | ||
| Stomiiformes | Stomiidae | Melanostomias tentaculatus | native | Tentacle dragonfish | |
| Tetraodontiformes | Balistidae | Melichthys niger | native | Black triggerfish | |
| Eupercaria/misc | Sciaenidae | Menticirrhus americanus | native | Southern kingcroaker | Southern kingfish |
| Eupercaria/misc | Sciaenidae | Menticirrhus littoralis | native | Gulf kingcroaker | |
| Gadiformes | Merlucciidae | Merluccius albidus | native | Offshore silver hake | |
| Cichliformes | Cichlidae | Mesonauta guyanae | native | ||
| Characiformes | Serrasalmidae | Metynnis altidorsalis | native | ||
| Characiformes | Serrasalmidae | Metynnis hypsauchen | native | Silver dollar | |
| Siluriformes | Pseudopimelodidae | Microglanis poecilus | native | Dwarf marbled catfish | |
| Siluriformes | Pseudopimelodidae | Microglanis secundus | native | ||
| Syngnathiformes | Syngnathidae | Microphis lineatus | native | Opossum pipefish | |
| Eupercaria/misc | Sciaenidae | Micropogonias furnieri | native | Whitemouth croaker | Bashaw |
| Characiformes | Characidae | Microschemobrycon melanotus | native | ||
| Lamniformes | Mitsukurinidae | Mitsukurina owstoni | native | Goblin shark | |
| Myliobatiformes | Mobulidae | Mobula birostris | native | Giant manta | Manta ray |
| Myliobatiformes | Mobulidae | Mobula hypostoma | native | Lesser devil ray | |
| Characiformes | Characidae | Moenkhausia browni | native | ||
| Characiformes | Characidae | Moenkhausia chrysargyrea | native | ||
| Characiformes | Characidae | Moenkhausia collettii | native | ||
| Characiformes | Characidae | Moenkhausia grandisquamis | native | ||
| Characiformes | Characidae | Moenkhausia lepidura | native | ||
| Characiformes | Characidae | Moenkhausia oligolepis | native | Glass tetra | |
| Characiformes | Characidae | Moenkhausia shideleri | native | ||
| Tetraodontiformes | Monacanthidae | Monacanthus ciliatus | native | Fringed filefish | |
| Pleuronectiformes | Bothidae | Monolene sessilicauda | native | Deepwater flounder | |
| Mugiliformes | Mugilidae | Mugil curema | native | White mullet | White mullet |
| Mugiliformes | Mugilidae | Mugil curvidens | native | Dwarf mullet | |
| Mugiliformes | Mugilidae | Mugil hospes | native | Hospe mullet | |
| Mugiliformes | Mugilidae | Mugil incilis | native | Parassi mullet | Common mullet |
| Mugiliformes | Mugilidae | Mugil liza | native | Lebranche mullet | |
| Mugiliformes | Mugilidae | Mugil trichodon | native | Fantail mullet | |
| Mulliformes | Mullidae | Mullus auratus | native | Red goatfish | |
| Carcharhiniformes | Triakidae | Mustelus canis | native | Dusky smooth-hound | Dogfish |
| Carcharhiniformes | Triakidae | Mustelus higmani | native | Smalleye smooth-hound | |
| Perciformes/Serranoidei | Epinephelidae | Mycteroperca bonaci | native | Black grouper | |
| Perciformes/Serranoidei | Epinephelidae | Mycteroperca tigris | native | Tiger grouper | |
| Perciformes/Serranoidei | Epinephelidae | Mycteroperca venenosa | native | Yellowfin grouper | |
| Characiformes | Serrasalmidae | Mylesinus schomburgkii | native | ||
| Characiformes | Serrasalmidae | Myleus latus | native | ||
| Characiformes | Serrasalmidae | Myleus pacu | native | ||
| Characiformes | Serrasalmidae | Myleus setiger | native | ||
| Myliobatiformes | Myliobatidae | Myliobatis freminvillei | native | Bullnose eagle ray | |
| Myliobatiformes | Myliobatidae | Myliobatis goodei | native | Southern eagle ray | |
| Characiformes | Serrasalmidae | Myloplus asterias | native | ||
| Characiformes | Serrasalmidae | Myloplus rubripinnis | native | Redhook myleus | |
| Characiformes | Serrasalmidae | Myloplus torquatus | native | ||
| Siluriformes | Heptapteridae | Myoglanis potaroensis | endemic | ||
| Anguilliformes | Ophichthidae | Myrichthys ocellatus | native | Goldspotted eel | |
| Holocentriformes | Holocentridae | Myripristis jacobus | native | Blackbar soldierfish | |
| Cichliformes | Cichlidae | Nannacara anomala | native | Goldeneye cichlid | |
| Cichliformes | Cichlidae | Nannacara bimaculata | endemic | ||
| Characiformes | Lebiasinidae | Nannostomus beckfordi | native | Golden pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus digrammus | native | Twostripe pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus erythrurus | native | ||
| Characiformes | Lebiasinidae | Nannostomus espei | native | Barred pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus harrisoni | native | Blackstripe pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus marginatus | native | ||
| Characiformes | Lebiasinidae | Nannostomus minimus | native | Least pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus trifasciatus | native | Threestripe pencilfish | |
| Characiformes | Lebiasinidae | Nannostomus unifasciatus | native | Oneline pencilfish | |
| Siluriformes | Loricariidae | Nannoxyropsis ephippia | native | ||
| Carangiformes | Carangidae | Naucrates ductor | native | Pilotfish | |
| Scombriformes | Gempylidae | Nealotus tripes | native | Black snake mackerel | |
| Siluriformes | Loricariidae | Neblinichthys brevibracchium | native | ||
| Siluriformes | Loricariidae | Neblinichthys echinasus | native | ||
| Eupercaria/misc | Sciaenidae | Nebris microps | native | Smalleye croaker | Butterfish |
| Carcharhiniformes | Carcharhinidae | Negaprion brevirostris | native | Lemon shark | |
| Anguilliformes | Nemichthyidae | Nemichthys scolopaceus | native | Slender snipe eel | |
| Anguilliformes | Nettastomatidae | Nettastoma melanura | native | Blackfin sorcerer | |
| Gadiformes | Macrouridae | Nezumia aequalis | native | Common Atlantic grenadier | |
| Gadiformes | Macrouridae | Nezumia atlantica | native | Western Atlantic grenadier | |
| Eupercaria/misc | Scaridae | Nicholsina usta | native | Emerald parrotfish | |
| Siluriformes | Ariidae | Notarius grandicassis | native | Thomas sea catfish | Tampoco |
| Siluriformes | Trichomycteridae | Ochmacanthus flabelliferus | native | ||
| Eupercaria/misc | Lutjanidae | Ocyurus chrysurus | native | Yellowtail snapper | |
| Clupeiformes | Pristigasteridae | Odontognathus compressus | native | Caribbean longfin herring | |
| Clupeiformes | Pristigasteridae | Odontognathus mucronatus | native | Guiana longfin herring | Herring |
| Eupercaria/misc | Sciaenidae | Odontoscion dentex | native | Reef croaker | |
| Lophiiformes | Ogcocephalidae | Ogcocephalus nasutus | native | Shortnose batfish | |
| Lophiiformes | Ogcocephalidae | Ogcocephalus notatus | native | ||
| Lophiiformes | Ogcocephalidae | Ogcocephalus parvus | native | Roughback batfish | |
| Lophiiformes | Ogcocephalidae | Ogcocephalus pumilus | native | Dwarf batfish | |
| Carangiformes | Carangidae | Oligoplites palometa | native | Maracaibo leatherjacket | |
| Carangiformes | Carangidae | Oligoplites saliens | native | Castin leatherjacket | Leatherjack |
| Carangiformes | Carangidae | Oligoplites saurus | native | Leatherjacket | Zapatero |
| Salmoniformes | Salmonidae | Oncorhynchus mykiss | introduced | Rainbow trout | |
| Anguilliformes | Ophichthidae | Ophichthus cylindroideus | native | Dusky snake eel | |
| Anguilliformes | Ophichthidae | Ophichthus gomesii | native | Shrimp eel | |
| Anguilliformes | Ophichthidae | Ophichthus ophis | native | Spotted snake eel | |
| Ophidiiformes | Ophidiidae | Ophidion dromio | native | Shorthead cusk-eel | |
| Ophidiiformes | Ophidiidae | Ophidion holbrookii | native | Band cusk-eel | |
| Clupeiformes | Dorosomatidae | Opisthonema oglinum | native | Atlantic thread herring | Thread herring |
| Ovalentaria/misc | Opistognathidae | Opistognathus lonchurus | native | Moustache jawfish | |
| Cichliformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | |
| Cichliformes | Cichlidae | Oreochromis niloticus | introduced | Nile tilapia | |
| Eupercaria/misc | Haemulidae | Orthopristis rubra | native | Corocoro grunt | |
| Osteoglossiformes | Osteoglossidae | Osteoglossum bicirrhosum | native | Arawana | |
| Siluriformes | Doradidae | Oxydoras niger | native | Ripsaw catfish | Cuiu-cuiu |
| Gobiiformes | Gobiidae | Oxyurichthys stigmalophius | native | Spotfin goby | |
| Eupercaria/misc | Sciaenidae | Pachypops fourcroi | native | Guyanan croaker | |
| Eupercaria/misc | Sciaenidae | Pachypops trifilis | native | ||
| Eupercaria/misc | Sciaenidae | Pachyurus schomburgkii | native | Amazon croaker | |
| Eupercaria/misc | Sparidae | Pagrus pagrus | native | Red porgy | |
| Siluriformes | Loricariidae | Panaqolus claustellifer | native | ||
| Perciformes/Serranoidei | Serranidae | Paralabrax dewegeri | native | Vieja | |
| Pleuronectiformes | Paralichthyidae | Paralichthys tropicus | native | Tropical flounder | |
| Siluriformes | Loricariidae | Paralithoxus bovallii | endemic | ||
| Eupercaria/misc | Sciaenidae | Paralonchurus brasiliensis | native | Banded croaker | |
| Perciformes/Serranoidei | Epinephelidae | Paranthias furcifer | native | Creole-fish | |
| Characiformes | Characidae | Parapristella aubynei | native | ||
| Acropomatiformes | Synagropidae | Parascombrops spinosus | native | Keelcheek bass | |
| Aulopiformes | Chlorophthalmidae | Parasudis truculenta | native | Longnose greeneye | |
| Eupercaria/misc | Sciaenidae | Pareques acuminatus | native | High-hat | Streaked ribbonfish |
| Eupercaria/misc | Sciaenidae | Pareques umbrosus | native | Cubbyu | |
| Beloniformes | Exocoetidae | Parexocoetus brachypterus | native | Sailfin flyingfish | |
| Characiformes | Parodontidae | Parodon bifasciatus | native | ||
| Characiformes | Parodontidae | Parodon guyanensis | native | ||
| Kurtiformes | Apogonidae | Paroncheilus affinis | native | Bigtooth cardinalfish | |
| Siluriformes | Loricariidae | Parotocinclus britskii | native | ||
| Siluriformes | Loricariidae | Parotocinclus collinsae | native | ||
| Siluriformes | Loricariidae | Paulasquama callis | native | ||
| Siluriformes | Loricariidae | Peckoltia braueri | native | ||
| Siluriformes | Loricariidae | Peckoltia cavatica | native | ||
| Siluriformes | Loricariidae | Peckoltia sabaji | native | ||
| Clupeiformes | Pristigasteridae | Pellona castelnaeana | native | Amazon pellona | |
| Clupeiformes | Pristigasteridae | Pellona flavipinnis | native | Yellowfin river pellona | |
| Clupeiformes | Pristigasteridae | Pellona harroweri | native | American coastal pellona | |
| Scombriformes | Stromateidae | Peprilus paru | native | American harvestfish | |
| Scombriformes | Stromateidae | Peprilus xanthurus | native | ||
| Perciformes/Scorpaenoidei | Peristediidae | Peristedion truncatum | native | Black armoured searobin | |
| Eupercaria/misc | Sciaenidae | Petilipinnis grunniens | native | ||
| Characiformes | Anostomidae | Petulanos plicatus | native | ||
| Characiformes | Characidae | Phenacogaster carteri | native | ||
| Characiformes | Characidae | Phenacogaster megalostictus | native | ||
| Characiformes | Characidae | Phenacogaster microstictus | native | ||
| Characiformes | Characidae | Phenacogaster simulata | native | ||
| Siluriformes | Pimelodidae | Phractocephalus hemioliopterus | native | Redtail catfish | |
| Siluriformes | Doradidae | Physopyxis ananas | native | ||
| Siluriformes | Doradidae | Physopyxis lyra | native | ||
| Characiformes | Lebiasinidae | Piabucina unitaeniata | native | ||
| Characiformes | Iguanodectidae | Piabucus dentatus | native | ||
| Siluriformes | Heptapteridae | Pimelodella altipinnis | native | ||
| Siluriformes | Heptapteridae | Pimelodella cristata | native | ||
| Siluriformes | Heptapteridae | Pimelodella leptosoma | native | ||
| Siluriformes | Heptapteridae | Pimelodella macturki | native | ||
| Siluriformes | Heptapteridae | Pimelodella megalops | native | ||
| Siluriformes | Heptapteridae | Pimelodella wesselii | endemic | ||
| Siluriformes | Pimelodidae | Pimelodus blochii | native | Bloch's catfish | |
| Siluriformes | Pimelodidae | Pimelodus ornatus | native | ||
| Siluriformes | Pimelodidae | Pinirampus pirinampu | native | Flatwhiskered catfish | |
| Eupercaria/misc | Sciaenidae | Plagioscion auratus | native | Black curbinata | Rockhead basher |
| Eupercaria/misc | Sciaenidae | Plagioscion squamosissimus | native | South American silver croaker | |
| Eupercaria/misc | Sciaenidae | Plagioscion surinamensis | native | Pacora | Koebi |
| Beloniformes | Belonidae | Platybelone argalus | native | Keeltail needlefish | |
| Siluriformes | Doradidae | Platydoras costatus | native | Raphael catfish | |
| Siluriformes | Doradidae | Platydoras hancockii | native | Blue-eye catfish | |
| Siluriformes | Aspredinidae | Platystacus cotylephorus | native | Banded banjo | |
| Gymnotiformes | Apteronotidae | Platyurosternarchus crypticus | native | ||
| Cyprinodontiformes | Poeciliidae | Poecilia parae | native | Para molly | |
| Cyprinodontiformes | Poeciliidae | Poecilia picta | native | Swamp guppies | |
| Cyprinodontiformes | Poeciliidae | Poecilia reticulata | native | Guppy | |
| Cyprinodontiformes | Poeciliidae | Poecilia vivipara | native | Eye spot toothcarp | |
| Characiformes | Crenuchidae | Poecilocharax bovaliorum | native | ||
| Eupercaria/misc | Sciaenidae | Pogonias cromis | native | Black drum | |
| Ovalentaria/misc | Polycentridae | Polycentrus schomburgkii | native | Guyana leaffish | |
| Carangaria/misc | Polynemidae | Polydactylus oligodon | native | Littlescale threadfin | |
| Carangaria/misc | Polynemidae | Polydactylus virginicus | native | Barbu | Chinese nose |
| Polymixiiformes | Polymixiidae | Polymixia lowei | native | Beardfish | |
| Polymixiiformes | Polymixiidae | Polymixia nobilis | native | Stout beardfish | |
| Acanthuriformes | Pomacanthidae | Pomacanthus arcuatus | native | Gray angelfish | |
| Acanthuriformes | Pomacanthidae | Pomacanthus paru | native | French angelfish | |
| Scombriformes | Pomatomidae | Pomatomus saltatrix | native | Bluefish | Skipjack |
| Perciformes/Scorpaenoidei | Scorpaenidae | Pontinus helena | native | ||
| Perciformes/Scorpaenoidei | Scorpaenidae | Pontinus longispinis | native | Longspine scorpionfish | |
| Characiformes | Characidae | Poptella brevispina | native | ||
| Characiformes | Characidae | Poptella compressa | native | ||
| Batrachoidiformes | Batrachoididae | Porichthys bathoiketes | native | ||
| Batrachoidiformes | Batrachoididae | Porichthys plectrodon | native | Atlantic midshipman | |
| Gymnotiformes | Apteronotidae | Porotergus gymnotus | native | ||
| Beloniformes | Belonidae | Potamorrhaphis guianensis | native | ||
| Myliobatiformes | Potamotrygonidae | Potamotrygon orbignyi | native | Smooth back river stingray | |
| Eupercaria/misc | Priacanthidae | Priacanthus arenatus | native | Atlantic bigeye | Bigeye |
| Carcharhiniformes | Carcharhinidae | Prionace glauca | native | Blue shark | |
| Perciformes/Scorpaenoidei | Triglidae | Prionotus beanii | native | Bean's searobin | |
| Perciformes/Scorpaenoidei | Triglidae | Prionotus punctatus | native | Bluewing searobin | |
| Perciformes/Scorpaenoidei | Triglidae | Prionotus stearnsi | native | Shortwing searobin | |
| Characiformes | Characidae | Pristella maxillaris | native | X-ray tetra | |
| Eupercaria/misc | Lutjanidae | Pristipomoides aquilonaris | native | Wenchman | |
| Eupercaria/misc | Lutjanidae | Pristipomoides freemani | native | Slender wenchman | |
| Eupercaria/misc | Lutjanidae | Pristipomoides macrophthalmus | native | Cardinal snapper | |
| Rhinopristiformes | Pristidae | Pristis microdon | native | Largetooth sawfish | |
| Rhinopristiformes | Pristidae | Pristis pectinata | native | Smalltooth sawfish | Sawfish |
| Rhinopristiformes | Pristidae | Pristis perotteti | native | Large-tooth sawfish | Sawfish |
| Characiformes | Serrasalmidae | Pristobrycon aureus | native | ||
| Characiformes | Serrasalmidae | Pristobrycon calmoni | native | ||
| Characiformes | Serrasalmidae | Pristobrycon striolatus | native | ||
| Characiformes | Prochilodontidae | Prochilodus rubrotaeniatus | native | ||
| Acanthuriformes | Chaetodontidae | Prognathodes guyanensis | native | French butterflyfish | |
| Scombriformes | Gempylidae | Promethichthys prometheus | native | Roudi escolar | |
| Perciformes/Serranoidei | Anthiadidae | Pronotogrammus martinicensis | native | Roughtongue bass | |
| Characiformes | Serrasalmidae | Prosomyleus rhomboidalis | native | ||
| Eupercaria/misc | Sciaenidae | Protosciaena bathytatos | native | Deep-water drum | |
| Characiformes | Curimatidae | Psectrogaster ciliata | native | ||
| Characiformes | Curimatidae | Psectrogaster essequibensis | native | ||
| Siluriformes | Loricariidae | Pseudacanthicus leopardus | endemic | ||
| Siluriformes | Loricariidae | Pseudancistrus barbatus | native | Bearded catfish | |
| Siluriformes | Loricariidae | Pseudancistrus guentheri | native | ||
| Siluriformes | Loricariidae | Pseudancistrus nigrescens | endemic | ||
| Characiformes | Anostomidae | Pseudanos trimaculatus | native | Threespot headstander | |
| Siluriformes | Auchenipteridae | Pseudauchenipterus nodosus | native | Cocosoda catfish | |
| Rhinopristiformes | Rhinobatidae | Pseudobatos percellens | native | Chola guitarfish | Guitarfish |
| Anguilliformes | Congridae | Pseudophichthys splendens | native | Purplemouthed conger | |
| Siluriformes | Pseudopimelodidae | Pseudopimelodus bufonius | native | ||
| Siluriformes | Pimelodidae | Pseudoplatystoma fasciatum | native | Barred sorubim | |
| Beloniformes | Belonidae | Pseudotylosurus microps | native | ||
| Mulliformes | Mullidae | Pseudupeneus maculatus | native | Spotted goatfish | |
| Clupeiformes | Engraulidae | Pterengraulis atherinoides | native | Wingfin anchovy | Anchovy |
| Siluriformes | Doradidae | Pterodoras granulosus | native | Granulated catfish | |
| Cichliformes | Cichlidae | Pterophyllum leopoldi | native | ||
| Cichliformes | Cichlidae | Pterophyllum scalare | native | Freshwater angelfish | |
| Characiformes | Serrasalmidae | Pygocentrus nattereri | native | Red piranha | Red pirai |
| Characiformes | Serrasalmidae | Pygopristis denticulata | native | Lobetoothed piranha | |
| Characiformes | Lebiasinidae | Pyrrhulina filamentosa | native | ||
| Characiformes | Lebiasinidae | Pyrrhulina semifasciata | native | ||
| Carangiformes | Rachycentridae | Rachycentron canadum | native | Cobia | Cod |
| Rajiformes | Rajidae | Rajella purpuriventralis | native | Purplebelly skate | |
| Siluriformes | Heptapteridae | Rhamdia foina | native | ||
| Siluriformes | Heptapteridae | Rhamdia laukidi | native | ||
| Siluriformes | Heptapteridae | Rhamdia muelleri | native | ||
| Siluriformes | Heptapteridae | Rhamdia quelen | native | South American catfish | |
| Siluriformes | Heptapteridae | Rhamdia schomburgkii | native | ||
| Gymnotiformes | Rhamphichthyidae | Rhamphichthys rostratus | native | Trompet knifefish | |
| Characiformes | Cynodontidae | Rhaphiodon vulpinus | native | Biara | |
| Orectolobiformes | Rhincodontidae | Rhincodon typus | native | Whale shark | |
| Siluriformes | Doradidae | Rhinodoras armbrusteri | native | Dirty thicklip thornycat | |
| Myliobatiformes | Rhinopteridae | Rhinoptera bonasus | native | Cownose ray | |
| Myliobatiformes | Rhinopteridae | Rhinoptera brasiliensis | native | Brazilian cownose ray | |
| Clupeiformes | Dorosomatidae | Rhinosardinia amazonica | native | Amazon spinejaw sprat | |
| Clupeiformes | Dorosomatidae | Rhinosardinia bahiensis | native | Bahia sprat | |
| Carcharhiniformes | Carcharhinidae | Rhizoprionodon lalandii | native | Brazilian sharpnose shark | |
| Carcharhiniformes | Carcharhinidae | Rhizoprionodon porosus | native | Caribbean sharpnose shark | Sharpnose shark |
| Carcharhiniformes | Carcharhinidae | Rhizoprionodon terraenovae | native | Atlantic sharpnose shark | |
| Eupercaria/misc | Lutjanidae | Rhomboplites aurorubens | native | Vermilion snapper | |
| Eupercaria/misc | Haemulidae | Rhonciscus crocro | native | Burro grunt | |
| Anguilliformes | Congridae | Rhynchoconger flavus | native | Yellow conger | |
| Siluriformes | Loricariidae | Rineloricaria fallax | native | ||
| Siluriformes | Loricariidae | Rineloricaria platyura | native | ||
| Siluriformes | Loricariidae | Rineloricaria stewarti | native | ||
| Characiformes | Characidae | Roeboides affinis | native | ||
| Characiformes | Characidae | Roeboides dientonito | native | ||
| Characiformes | Acestrorhynchidae | Roestes ogilviei | native | ||
| Scombriformes | Gempylidae | Ruvettus pretiosus | native | Oilfish | |
| Perciformes/Serranoidei | Grammistidae | Rypticus randalli | native | ||
| Perciformes/Serranoidei | Grammistidae | Rypticus saponaceus | native | Greater soapfish | |
| Clupeiformes | Dorosomatidae | Sardinella aurita | native | Round sardinella | |
| Clupeiformes | Dorosomatidae | Sardinella brasiliensis | native | Brazilian sardinella | |
| Cichliformes | Cichlidae | Satanoperca leucosticta | native | ||
| Aulopiformes | Synodontidae | Saurida brasiliensis | native | Brazilian lizardfish | Brazilian lizardfish |
| Aulopiformes | Synodontidae | Saurida caribbaea | native | Smallscale lizardfish | |
| Aulopiformes | Synodontidae | Saurida normani | native | Shortjaw lizardfish | |
| Eupercaria/misc | Scaridae | Scarus coelestinus | native | Midnight parrotfish | |
| Eupercaria/misc | Scaridae | Scarus coeruleus | native | Blue parrotfish | |
| Eupercaria/misc | Scaridae | Scarus guacamaia | native | Rainbow parrotfish | |
| Eupercaria/misc | Scaridae | Scarus iseri | native | Striped parrotfish | |
| Eupercaria/misc | Scaridae | Scarus taeniopterus | native | Princess parrotfish | |
| Rajiformes | Anacanthobatidae | Schroederobatis americana | native | American legskate | |
| Siluriformes | Ariidae | Sciades couma | native | Couma sea catfish | |
| Siluriformes | Ariidae | Sciades herzbergii | native | Pemecou sea catfish | Gillbacker |
| Siluriformes | Ariidae | Sciades parkeri | native | Gillbacker sea catfish | |
| Siluriformes | Ariidae | Sciades passany | native | Passany sea catfish | |
| Siluriformes | Ariidae | Sciades proops | native | Crucifix sea catfish | Kokwari |
| Scombriformes | Scombridae | Scomberomorus brasiliensis | native | Serra Spanish mackerel | |
| Scombriformes | Scombridae | Scomberomorus cavalla | native | King mackerel | |
| Scombriformes | Scombridae | Scomberomorus regalis | native | Cero | |
| Perciformes/Scorpaenoidei | Scorpaenidae | Scorpaena agassizii | native | Longfin scorpionfish | |
| Perciformes/Scorpaenoidei | Scorpaenidae | Scorpaena brasiliensis | native | Barbfish | |
| Perciformes/Scorpaenoidei | Scorpaenidae | Scorpaena plumieri | native | Spotted scorpionfish | |
| Carcharhiniformes | Scyliorhinidae | Scyliorhinus haeckelii | native | Freckled catshark | |
| Carangiformes | Carangidae | Selar crumenophthalmus | native | Bigeye scad | Goggle-eye |
| Carangiformes | Carangidae | Selene brownii | native | Caribbean moonfish | |
| Carangiformes | Carangidae | Selene setapinnis | native | Atlantic moonfish | Bluntnosed shiner |
| Carangiformes | Carangidae | Selene vomer | native | Lookdown | Moonfish |
| Characiformes | Prochilodontidae | Semaprochilodus insignis | native | Kissing prochilodus | |
| Carangiformes | Carangidae | Seriola dumerili | native | Greater amberjack | |
| Carangiformes | Carangidae | Seriola rivoliana | native | Longfin yellowtail | |
| Carangiformes | Carangidae | Seriola zonata | native | Banded rudderfish | |
| Perciformes/Serranoidei | Serranidae | Serranus phoebe | native | Tattler | Phoebe |
| Perciformes/Serranoidei | Serranidae | Serranus tabacarius | native | Tobaccofish | |
| Characiformes | Serrasalmidae | Serrasalmus eigenmanni | native | ||
| Characiformes | Serrasalmidae | Serrasalmus emarginatus | native | ||
| Characiformes | Serrasalmidae | Serrasalmus rhombeus | native | Redeye piranha | |
| Characiformes | Serrasalmidae | Serrasalmus stagnatilis | native | ||
| Perciformes/Scorpaenoidei | Setarchidae | Setarches guentheri | native | Channeled rockfish | |
| Characiformes | Crenuchidae | Skiotocharax meizon | native | ||
| Siluriformes | Pimelodidae | Sorubim elongatus | native | Slender shovelnose catfish | |
| Eupercaria/misc | Scaridae | Sparisoma aurofrenatum | native | Redband parrotfish | |
| Eupercaria/misc | Scaridae | Sparisoma chrysopterum | native | Redtail parrotfish | |
| Eupercaria/misc | Scaridae | Sparisoma radians | native | Bucktooth parrotfish | |
| Eupercaria/misc | Scaridae | Sparisoma rubripinne | native | Redfin parrotfish | |
| Eupercaria/misc | Scaridae | Sparisoma viride | native | Stoplight parrotfish | |
| Tetraodontiformes | Tetraodontidae | Sphoeroides greeleyi | native | Green puffer | |
| Tetraodontiformes | Tetraodontidae | Sphoeroides spengleri | native | Bandtail puffer | |
| Tetraodontiformes | Tetraodontidae | Sphoeroides testudineus | native | Checkered puffer | |
| Carangaria/misc | Sphyraenidae | Sphyraena barracuda | native | Great barracuda | Barracuda |
| Carangaria/misc | Sphyraenidae | Sphyraena guachancho | native | Guachanche barracuda | |
| Carangaria/misc | Sphyraenidae | Sphyraena picudilla | native | Southern sennet | |
| Carcharhiniformes | Sphyrnidae | Sphyrna lewini | native | Scalloped hammerhead | |
| Carcharhiniformes | Sphyrnidae | Sphyrna media | native | Scoophead | |
| Carcharhiniformes | Sphyrnidae | Sphyrna mokarran | native | Great hammerhead | |
| Carcharhiniformes | Sphyrnidae | Sphyrna tiburo | native | Bonnethead | |
| Carcharhiniformes | Sphyrnidae | Sphyrna tudes | native | Smalleye hammerhead | Hammerhead |
| Gymnotiformes | Hypopomidae | Steatogenys elegans | native | Barred knifefish | |
| Characiformes | Curimatidae | Steindachnerina guentheri | native | ||
| Eupercaria/misc | Sciaenidae | Stellifer collettei | native | Bigmouth stardrum | |
| Eupercaria/misc | Sciaenidae | Stellifer colonensis | native | Stardrum | |
| Eupercaria/misc | Sciaenidae | Stellifer griseus | native | Gray stardrum | |
| Eupercaria/misc | Sciaenidae | Stellifer microps | native | Smalleye stardrum | Stonkoebi |
| Eupercaria/misc | Sciaenidae | Stellifer punctatissimus | native | Spotted croaker | |
| Eupercaria/misc | Sciaenidae | Stellifer rastrifer | native | Rake stardrum | |
| Tetraodontiformes | Monacanthidae | Stephanolepis hispida | native | Planehead filefish | |
| Tetraodontiformes | Monacanthidae | Stephanolepis setifer | native | Pygmy filefish | |
| Gymnotiformes | Apteronotidae | Sternarchorhynchus freemani | native | Freeman’s tube-snouted ghost knifefish | |
| Gymnotiformes | Apteronotidae | Sternarchorhynchus oxyrhynchus | native | Oxyrhynchus tube-snouted ghost knifefish | |
| Gymnotiformes | Sternopygidae | Sternopygus macrurus | native | Longtail knifefish | |
| Beloniformes | Belonidae | Strongylura marina | native | Atlantic needlefish | |
| Beloniformes | Belonidae | Strongylura timucu | native | Timucu | |
| Siluriformes | Loricariidae | Sturisoma monopelte | native | ||
| Myliobatiformes | Potamotrygonidae | Styracura schmardae | native | Chupare stingray | |
| Pleuronectiformes | Cyclopsettidae | Syacium gunteri | native | Shoal flounder | |
| Pleuronectiformes | Cyclopsettidae | Syacium micrurum | native | Channel flounder | |
| Pleuronectiformes | Cyclopsettidae | Syacium papillosum | native | Dusky flounder | |
| Pleuronectiformes | Cynoglossidae | Symphurus diomedeanus | native | Spottedfin tonguefish | |
| Pleuronectiformes | Cynoglossidae | Symphurus oculellus | native | ||
| Pleuronectiformes | Cynoglossidae | Symphurus piger | native | Deepwater tonguefish | |
| Pleuronectiformes | Cynoglossidae | Symphurus plagusia | native | Duskycheek tonguefish | |
| Pleuronectiformes | Cynoglossidae | Symphurus tessellatus | native | ||
| Cichliformes | Cichlidae | Symphysodon aequifasciatus | introduced | Blue discus | |
| Synbranchiformes | Synbranchidae | Synbranchus marmoratus | native | Marbled swamp eel | |
| Aulopiformes | Synodontidae | Synodus bondi | native | Sharpnose lizardfish | |
| Aulopiformes | Synodontidae | Synodus foetens | native | Inshore lizardfish | Gallwasp |
| Aulopiformes | Synodontidae | Synodus intermedius | native | Sand diver | |
| Aulopiformes | Synodontidae | Synodus poeyi | native | Offshore lizardfish | |
| Aulopiformes | Synodontidae | Synodus synodus | native | Diamond lizardfish | Lizard fish |
| Siluriformes | Auchenipteridae | Tatia intermedia | native | ||
| Siluriformes | Auchenipteridae | Tatia meesi | native | ||
| Siluriformes | Auchenipteridae | Tatia reticulata | native | ||
| Siluriformes | Doradidae | Tenellus leporhinus | native | ||
| Siluriformes | Doradidae | Tenellus trimaculatus | native | ||
| Characiformes | Characidae | Tetragonopterus argenteus | native | ||
| Characiformes | Characidae | Tetragonopterus chalceus | native | ||
| Carangiformes | Istiophoridae | Tetrapturus pfluegeri | native | Longbill spearfish | |
| Batrachoidiformes | Batrachoididae | Thalassophryne nattereri | native | ||
| Scombriformes | Scombridae | Thunnus alalunga | native | Albacore | |
| Scombriformes | Scombridae | Thunnus albacares | native | Yellowfin tuna | |
| Scombriformes | Scombridae | Thunnus atlanticus | native | Blackfin tuna | |
| Scombriformes | Scombridae | Thunnus obesus | native | Bigeye tuna | |
| Scombriformes | Scombridae | Thunnus thynnus | native | Atlantic bluefin tuna | |
| Stomiiformes | Stomiidae | Thysanactis dentex | native | Broomfin dragonfish | |
| Cyprinodontiformes | Poeciliidae | Tomeurus gracilis | native | Bottle toothcarp | |
| Siluriformes | Auchenipteridae | Trachelyichthys decaradiatus | native | ||
| Aulopiformes | Synodontidae | Trachinocephalus myops | native | Snakefish | Lizardfish |
| Carangiformes | Carangidae | Trachinotus carolinus | native | Florida pompano | |
| Carangiformes | Carangidae | Trachinotus cayennensis | native | Cayenne pompano | |
| Carangiformes | Carangidae | Trachinotus falcatus | native | Permit | |
| Carangiformes | Carangidae | Trachinotus goodei | native | Great pompano | |
| Carangiformes | Carangidae | Trachurus lathami | native | Rough scad | |
| Siluriformes | Auchenipteridae | Trachycorystes trachycorystes | native | Black catfish | |
| Siluriformes | Doradidae | Trachydoras brevis | native | ||
| Siluriformes | Doradidae | Trachydoras gepharti | native | ||
| Siluriformes | Doradidae | Trachydoras microstomus | native | ||
| Scombriformes | Trichiuridae | Trichiurus lepturus | native | Largehead hairtail | |
| Siluriformes | Trichomycteridae | Trichomycterus conradi | native | ||
| Siluriformes | Trichomycteridae | Trichomycterus guianense | native | ||
| Pleuronectiformes | Bothidae | Trichopsetta caribbaea | native | Caribbean flounder | |
| Pleuronectiformes | Achiridae | Trinectes paulistanus | native | Slipper sole | |
| Characiformes | Triportheidae | Triportheus brachipomus | native | ||
| Characiformes | Triportheidae | Triportheus elongatus | native | Elongate hatchetfish | |
| Characiformes | Triportheidae | Triportheus rotundatus | native | ||
| Beloniformes | Belonidae | Tylosurus acus | native | Agujon needlefish | |
| Beloniformes | Belonidae | Tylosurus crocodilus | native | Hound needlefish | |
| Siluriformes | Auchenipteridae | Tympanopleura piperata | native | ||
| Eupercaria/misc | Sciaenidae | Umbrina coroides | native | Sand drum | |
| Mulliformes | Mullidae | Upeneus parvus | native | Dwarf goatfish | |
| Carangiformes | Carangidae | Uraspis secunda | native | Cottonmouth jack | |
| Gadiformes | Phycidae | Urophycis cirrata | native | Gulf hake | |
| Myliobatiformes | Urotrygonidae | Urotrygon microphthalmum | native | Smalleyed round stingray | |
| Siluriformes | Trichomycteridae | Vandellia beccarii | native | ||
| Siluriformes | Trichomycteridae | Vandellia sanguinea | native | ||
| Gadiformes | Macrouridae | Ventrifossa macropogon | native | Longbeard grenadier | |
| Carangiformes | Xiphiidae | Xiphias gladius | native | Swordfish | |
| Eupercaria/misc | Labridae | Xyrichtys novacula | native | Pearly razorfish | |
| Zeiformes | Zeidae | Zenopsis conchifer | native | Silvery John dory | |
| Siluriformes | Pimelodidae | Zungaro zungaro | native | Gilded catfish |