| Order | Family | Species | Occurrence | FishBase name | Name in Country |
|---|---|---|---|---|---|
| Pleuronectiformes | Achiridae | Achirus mazatlanus | native | Mazatlan sole | |
| Siluriformes | Auchenipteridae | Ageneiosus pardalis | native | ||
| Cyprinodontiformes | Poeciliidae | Alfaro cultratus | native | Knife livebearer | |
| Cichliformes | Cichlidae | Amatitlania altoflava | endemic | ||
| Cichliformes | Cichlidae | Amatitlania kanna | native | ||
| Cichliformes | Cichlidae | Amatitlania myrnae | native | ||
| Cichliformes | Cichlidae | Amatitlania nanolutea | endemic | ||
| Cichliformes | Cichlidae | Amphilophus lyonsi | native | ||
| Clupeiformes | Engraulidae | Anchoa curta | native | Short anchovy | |
| Clupeiformes | Engraulidae | Anchoa parva | native | Little anchovy | |
| Clupeiformes | Engraulidae | Anchoa spinifer | native | Spicule anchovy | |
| Siluriformes | Loricariidae | Ancistrus chagresi | endemic | ||
| Siluriformes | Loricariidae | Ancistrus spinosus | endemic | ||
| Cichliformes | Cichlidae | Andinoacara coeruleopunctatus | native | Chogorro | |
| Anguilliformes | Anguillidae | Anguilla rostrata | native | American eel | |
| Gymnotiformes | Apteronotidae | Apteronotus rostratus | native | ||
| Siluriformes | Ariidae | Ariopsis assimilis | native | Mayan sea catfish | |
| Siluriformes | Ariidae | Ariopsis seemanni | native | Tete sea catfish | Bagre |
| Siluriformes | Astroblepidae | Astroblepus mendezi | native | ||
| Siluriformes | Astroblepidae | Astroblepus pirrensis | endemic | ||
| Characiformes | Characidae | Astyanax aeneus | native | Banded tetra | |
| Characiformes | Characidae | Astyanax anai | native | ||
| Characiformes | Characidae | Astyanax bimaculatus | native | Twospot astyanax | |
| Characiformes | Characidae | Astyanax kompi | native | ||
| Characiformes | Characidae | Astyanax orstedii | native | Costa Rican tetra | |
| Characiformes | Characidae | Astyanax panamensis | native | Panamanian tetra | Sardinita panameña |
| Characiformes | Characidae | Astyanax ruberrimus | native | ||
| Atheriniformes | Atherinopsidae | Atherinella argentea | native | Moon silverside | |
| Atheriniformes | Atherinopsidae | Atherinella chagresi | native | ||
| Gobiiformes | Gobiidae | Awaous banana | native | River goby | |
| Batrachoidiformes | Batrachoididae | Batrachoides pacifici | native | Pacific toadfish | |
| Gymnotiformes | Hypopomidae | Brachyhypopomus occidentalis | native | ||
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis cascajalensis | native | Cascajal toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis episcopi | endemic | Bishop toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis hessfeldi | native | Hessfeld's toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis punctifer | endemic | Cricamola toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis roseni | native | Cardinal toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis roswithae | native | Roswitha's toothcarp | |
| Cyprinodontiformes | Poeciliidae | Brachyrhaphis terrabensis | native | Térraba toothcarp | |
| Characiformes | Bryconidae | Brycon argenteus | native | Sábalo pipon | |
| Characiformes | Bryconidae | Brycon behreae | native | Sábalo pipon | |
| Characiformes | Bryconidae | Brycon chagrensis | endemic | Sábalo pipon | |
| Characiformes | Bryconidae | Brycon guatemalensis | native | Machaca | |
| Characiformes | Bryconidae | Brycon obscurus | native | Sábalo pipon | |
| Characiformes | Bryconidae | Brycon petrosus | native | Sábalo pipon | |
| Characiformes | Bryconidae | Brycon striatulus | native | Sábalo pipon | |
| Characiformes | Characidae | Bryconamericus emperador | native | ||
| Characiformes | Characidae | Bryconamericus gonzalezi | native | ||
| Characiformes | Characidae | Bryconamericus scleroparius | native | ||
| Characiformes | Characidae | Bryconamericus zeteki | native | ||
| Carcharhiniformes | Carcharhinidae | Carcharhinus leucas | native | Bull shark | Tiburón toro |
| Characiformes | Characidae | Carlana eigenmanni | native | ||
| Cyprinodontiformes | Poeciliidae | Carlhubbsia stuarti | native | Barred livebearer | |
| Siluriformes | Ariidae | Cathorops fuerthii | native | Congo sea catfish | |
| Siluriformes | Ariidae | Cathorops hypophthalmus | endemic | Gloomy sea catfish | |
| Siluriformes | Ariidae | Cathorops steindachneri | native | Steindachner's sea catfish | Congo |
| Siluriformes | Ariidae | Cathorops tuyra | native | Besudo sea catfish | |
| Carangaria/misc | Centropomidae | Centropomus ensiferus | native | Swordspine snook | |
| Carangaria/misc | Centropomidae | Centropomus nigrescens | native | Black snook | Robalo |
| Carangaria/misc | Centropomidae | Centropomus parallelus | native | Fat snook | |
| Carangaria/misc | Centropomidae | Centropomus pectinatus | native | Tarpon snook | |
| Siluriformes | Loricariidae | Chaetostoma fischeri | native | Cucho | |
| Characiformes | Crenuchidae | Characidium marshi | native | ||
| Cichliformes | Cichlidae | Cichla ocellaris | introduced | Peacock cichlid | Sargento |
| Pleuronectiformes | Cyclopsettidae | Citharichthys gilberti | native | Bigmouth sanddab | Lenguado |
| Characiformes | Serrasalmidae | Colossoma macropomum | introduced | Cachama | |
| Characiformes | Characidae | Compsura gorgonae | native | ||
| Characiformes | Characidae | Creagrutus affinis | native | ||
| Cichliformes | Cichlidae | Cribroheros altifrons | native | ||
| Cichliformes | Cichlidae | Cribroheros bussingi | native | ||
| Siluriformes | Loricariidae | Crossoloricaria variegata | native | ||
| Gobiiformes | Gobiidae | Ctenogobius claytonii | native | Mexican goby | |
| Characiformes | Ctenoluciidae | Ctenolucius beani | native | ||
| Cypriniformes | Xenocyprididae | Ctenopharyngodon idella | introduced | Grass carp | |
| Cyprinodontiformes | Rivulidae | Cynodonichthys birkhahni | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys brunneus | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys chucunaque | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys frommi | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys hildebrandi | native | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys kuelpmanni | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys monikae | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys montium | endemic | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys sucubti | native | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys villwocki | native | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys wassmanni | native | ||
| Cyprinodontiformes | Rivulidae | Cynodonichthys weberi | endemic | ||
| Eupercaria/misc | Sciaenidae | Cynoscion acoupa | native | Acoupa weakfish | |
| Characiformes | Curimatidae | Cyphocharax magdalenae | native | ||
| Cypriniformes | Cyprinidae | Cyprinus carpio | introduced | Common carp | |
| Mugiliformes | Mugilidae | Dajaus monticola | native | Mountain mullet | |
| Cichliformes | Cichlidae | Darienheros calobrensis | endemic | ||
| Siluriformes | Loricariidae | Dasyloricaria capetensis | native | ||
| Siluriformes | Loricariidae | Dasyloricaria latiura | native | ||
| Siluriformes | Loricariidae | Dasyloricaria tuyrensis | native | ||
| Gobiiformes | Eleotridae | Dormitator latifrons | native | Pacific fat sleeper | |
| Gobiiformes | Eleotridae | Dormitator maculatus | native | Fat sleeper | |
| Gymnotiformes | Sternopygidae | Eigenmannia meeki | native | ||
| Gobiiformes | Eleotridae | Eleotris amblyopsis | native | Large-scaled spinycheek sleeper | |
| Gobiiformes | Eleotridae | Eleotris melanosoma | introduced | Broadhead sleeper | |
| Gobiiformes | Eleotridae | Eleotris picta | native | Spotted sleeper | |
| Characiformes | Characidae | Eretmobrycon bayano | native | ||
| Gobiiformes | Eleotridae | Erotelis shropshirei | native | ||
| Eupercaria/misc | Gerreidae | Eucinostomus argenteus | native | Silver mojarra | |
| Eupercaria/misc | Gerreidae | Eucinostomus currani | native | Pacific flagfin mojarra | Mojarra |
| Eupercaria/misc | Gerreidae | Eucinostomus gracilis | native | Graceful mojarra | Mojarra |
| Eupercaria/misc | Gerreidae | Eugerres plumieri | native | Striped mojarra | |
| Siluriformes | Loricariidae | Fonchiiichthys uracanthus | native | ||
| Cyprinodontiformes | Poeciliidae | Gambusia nicaraguensis | native | Nicaraguan mosquitofish | |
| Characiformes | Gasteropelecidae | Gasteropelecus maculatus | native | Spotted hatchetfish | |
| Cichliformes | Cichlidae | Geophagus crassilabris | endemic | Panamanian eartheater | |
| Characiformes | Characidae | Gephyrocharax atracaudatus | native | Sardinita | |
| Characiformes | Characidae | Gephyrocharax intermedius | native | Sardinita | |
| Characiformes | Characidae | Gephyrocharax whaleri | native | ||
| Eupercaria/misc | Gerreidae | Gerres cinereus | native | Yellow fin mojarra | |
| Gobiesociformes | Gobiesocidae | Gobiesox cephalus | native | Clingfish | |
| Gobiiformes | Gobiidae | Gobioides peruanus | native | Peruvian eelgoby | |
| Gobiiformes | Eleotridae | Gobiomorus dormitor | native | Bigmouth sleeper | |
| Gobiiformes | Eleotridae | Gobiomorus maculatus | native | Pacific sleeper | |
| Gymnotiformes | Gymnotidae | Gymnotus panamensis | native | ||
| Characiformes | Characidae | Hemibrycon dariensis | native | ||
| Gobiiformes | Eleotridae | Hemieleotris latifasciata | native | Pygmy sleeper | |
| Characiformes | Erythrinidae | Hoplerythrinus unitaeniatus | native | Aimara | |
| Characiformes | Erythrinidae | Hoplias microlepis | native | ||
| Siluriformes | Callichthyidae | Hoplosternum punctatum | native | ||
| Characiformes | Characidae | Hyphessobrycon panamensis | native | ||
| Cypriniformes | Xenocyprididae | Hypophthalmichthys molitrix | introduced | Silver carp | |
| Beloniformes | Hemiramphidae | Hyporhamphus rosae | native | California halfbeak | |
| Siluriformes | Loricariidae | Hypostomus aspidolepis | native | Panama suckermouth | Arrisuaca |
| Siluriformes | Ictaluridae | Ictalurus punctatus | introduced | Channel catfish | |
| Cichliformes | Cichlidae | Isthmoheros tuyrensis | endemic | Mojarra | |
| Mugiliformes | Mugilidae | Joturus pichardi | native | Bobo mullet | |
| Cichliformes | Cichlidae | Kronoheros umbrifer | native | Turquoise cichlid | |
| Centrarchiformes | Kuhliidae | Kuhlia mugil | native | Barred flagtail | |
| Siluriformes | Loricariidae | Lasiancistrus caucanus | native | ||
| Centrarchiformes | Centrarchidae | Lepomis macrochirus | introduced | Bluegill | |
| Centrarchiformes | Centrarchidae | Lepomis microlophus | introduced | Redear sunfish | |
| Siluriformes | Loricariidae | Leptoancistrus canensis | endemic | ||
| Gobiiformes | Eleotridae | Leptophilypnus panamensis | native | ||
| Clupeiformes | Dorosomatidae | Lile stolifera | native | Striped herring | |
| Elopiformes | Megalopidae | Megalops atlanticus | native | Tarpon | Sábalo |
| Syngnathiformes | Syngnathidae | Microphis lineatus | native | Opossum pipefish | |
| Centrarchiformes | Centrarchidae | Micropterus salmoides | introduced | Largemouth black bass | |
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead grey mullet | Lisa |
| Mugiliformes | Mugilidae | Mugil curema | native | White mullet | Lisa |
| Cypriniformes | Xenocyprididae | Mylopharyngodon piceus | introduced | Black carp | |
| Siluriformes | Heptapteridae | Nemuroglanis panamensis | endemic | ||
| Cyprinodontiformes | Poeciliidae | Neoheterandria cana | native | Cana toothcarp | |
| Cyprinodontiformes | Poeciliidae | Neoheterandria tridentiger | endemic | Nail toothcarp | |
| Siluriformes | Ariidae | Notarius cookei | native | ||
| Characiformes | Characidae | Odontostilbe dialeptura | native | ||
| Characiformes | Characidae | Odontostilbe mitoptera | native | ||
| Carangiformes | Carangidae | Oligoplites palometa | native | Maracaibo leatherjacket | |
| Carangiformes | Carangidae | Oligoplites saurus | native | Leatherjacket | Longino |
| Salmoniformes | Salmonidae | Oncorhynchus mykiss | introduced | Rainbow trout | |
| Cichliformes | Cichlidae | Oreochromis aureus | introduced | Blue tilapia | |
| Cichliformes | Cichlidae | Oreochromis mossambicus | introduced | Mozambique tilapia | |
| Cichliformes | Cichlidae | Oreochromis niloticus | introduced | Nile tilapia | |
| Cyprinodontiformes | Anablepidae | Oxyzygonectes dovii | native | White-eye | |
| Cichliformes | Cichlidae | Panamius panamensis | endemic | Chogorro | |
| Cichliformes | Cichlidae | Parachromis loisellei | native | ||
| Cichliformes | Cichlidae | Parachromis managuensis | introduced | Jaguar guapote | |
| Cyprinodontiformes | Poeciliidae | Phallichthys amates | native | Merry widow livebearer | |
| Characiformes | Characidae | Phenagoniates macrolepis | native | ||
| Characiformes | Lebiasinidae | Piabucina festae | native | ||
| Characiformes | Lebiasinidae | Piabucina panamensis | native | Domini Candela | |
| Siluriformes | Heptapteridae | Pimelodella chagresi | native | ||
| Siluriformes | Pimelodidae | Pimelodus punctatus | endemic | ||
| Cyprinodontiformes | Poeciliidae | Poecilia butleri | native | Pacific molly | |
| Cyprinodontiformes | Poeciliidae | Poecilia caucana | native | Cauca molly | |
| Cyprinodontiformes | Poeciliidae | Poecilia gillii | native | Gill's molly | |
| Cyprinodontiformes | Poeciliidae | Poeciliopsis elongata | native | Elongate toothcarp | |
| Cyprinodontiformes | Poeciliidae | Poeciliopsis retropinna | native | Buroca toothcarp | |
| Centrarchiformes | Centrarchidae | Pomoxis annularis | introduced | White crappie | |
| Centrarchiformes | Centrarchidae | Pomoxis nigromaculatus | introduced | Black crappie | |
| Cyprinodontiformes | Poeciliidae | Priapichthys darienensis | native | Capetí toothcarp | |
| Cyprinodontiformes | Poeciliidae | Priapichthys panamensis | native | Panama toothcarp | |
| Cyprinodontiformes | Poeciliidae | Priapichthys puetzi | endemic | Pütz's toothcarp | Chompipa de montana |
| Rhinopristiformes | Pristidae | Pristis pristis | native | Common sawfish | Pez sierra |
| Characiformes | Characidae | Psalidodon fasciatus | native | Banded astyanax | |
| Characiformes | Characidae | Pseudocheirodon arnoldi | native | ||
| Syngnathiformes | Syngnathidae | Pseudophallus elcapitanensis | native | ||
| Syngnathiformes | Syngnathidae | Pseudophallus mindii | native | ||
| Syngnathiformes | Syngnathidae | Pseudophallus starksii | native | ||
| Siluriformes | Heptapteridae | Rhamdia guatemalensis | native | Pale catfish | |
| Siluriformes | Heptapteridae | Rhamdia laticauda | native | Filespine chulín | |
| Siluriformes | Heptapteridae | Rhamdia quelen | native | South American catfish | |
| Eupercaria/misc | Haemulidae | Rhonciscus bayanus | native | Purplemouth grunt | |
| Eupercaria/misc | Haemulidae | Rhonciscus crocro | native | Burro grunt | |
| Siluriformes | Loricariidae | Rineloricaria altipinnis | native | ||
| Characiformes | Characidae | Roeboides bouchellei | native | Crystal tetra | |
| Characiformes | Characidae | Roeboides bussingi | native | ||
| Characiformes | Characidae | Roeboides carti | endemic | ||
| Characiformes | Characidae | Roeboides dayi | native | ||
| Characiformes | Characidae | Roeboides guatemalensis | native | Guatemalan headstander | Anchobeta |
| Characiformes | Characidae | Roeboides loftini | native | ||
| Characiformes | Characidae | Roeboides occidentalis | native | Anchovata | |
| Characiformes | Parodontidae | Saccodon dariensis | native | ||
| Salmoniformes | Salmonidae | Salmo trutta | introduced | Sea trout | |
| Siluriformes | Ariidae | Sciades dowii | native | Flapnose sea catfish | |
| Gobiiformes | Gobiidae | Sicydium salvini | native | ||
| Siluriformes | Loricariidae | Spatuloricaria fimbriata | native | ||
| Gymnotiformes | Sternopygidae | Sternopygus aequilabiatus | native | ||
| Beloniformes | Belonidae | Strongylura exilis | native | Californian needlefish | |
| Beloniformes | Belonidae | Strongylura marina | native | Atlantic needlefish | |
| Siluriformes | Loricariidae | Sturisomatichthys citurensis | native | ||
| Siluriformes | Loricariidae | Sturisomatichthys dariense | native | ||
| Siluriformes | Loricariidae | Sturisomatichthys panamense | native | ||
| Synbranchiformes | Synbranchidae | Synbranchus marmoratus | native | Marbled swamp eel | |
| Cichliformes | Cichlidae | Talamancaheros sieboldii | native | ||
| Cichliformes | Cichlidae | Tomocichla asfraci | native | ||
| Cichliformes | Cichlidae | Tomocichla tuba | native | ||
| Siluriformes | Auchenipteridae | Trachelyopterus amblops | endemic | ||
| Siluriformes | Trichomycteridae | Trichomycterus striatus | native | ||
| Pleuronectiformes | Achiridae | Trinectes fluviatilis | native | Lenguado | |
| Pleuronectiformes | Achiridae | Trinectes maculatus | native | Hogchoker | |
| Cichliformes | Cichlidae | Vieja maculicauda | native | Blackbelt cichlid |