Acyrtops beryllinus, Emerald clingfish

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Acyrtops beryllinus (Hildebrand & Ginsburg, 1927)

Emerald clingfish
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Acyrtops beryllinus   AquaMaps   Data sources: GBIF OBIS
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Image of Acyrtops beryllinus (Emerald clingfish)
Acyrtops beryllinus
Picture by Figueiredo, J.L./Menezes, N.A.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gobiesociformes (Clingfishes) > Gobiesocidae (Clingfishes and singleslits) > Gobiesocinae
Etymology: Acyrtops: Greek, a = without + Greek, kyrtos, -e, -on = bent + Greek, ops = shape (Ref. 45335).
More on authors: Hildebrand & Ginsburg.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated. Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: southern Florida, USA and Bahamas to Espírito Santo, Brazil (Ref. 57756).

Length at first maturity / Size / Weight / Age

Maturity: Lm 1.4, range 1 - 1.5 cm
Max length : 2.5 cm TL male/unsexed; (Ref. 7251); max. reported age: 1.00 years (Ref. 51567)

Biology     Glossary (e.g. epibenthic)

Spend the entire cycle in beds of turtle grass, Thalassia (Ref. 51567) usually attached to the underside of the blades of the seagrass (Ref. 7251). Feed on small crustaceans: Isopoda, Amphipoda, Harpacticoida, and Ostracoda (Ref. 5521). Multiple spawner (Ref. 51567).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing during copulation (Ref. 205). The pair swims side to side either head to head or head to tail. Their bodies flex as they swim making their caudal areas stroke each other. The male then makes slow undulating side to side movement interrupted by short, quick twitches signalling deposition of the eggs. Fertilization probably occurred between the time of release of eggs and the depositions. Deposition of an entire clutch of eggs takes from about 20 30 minutes in 3 minute intervals (Ref. 51567).

Main reference Upload your references | References | Coordinator : Williams, Jeffrey T. | Collaborators

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 01 March 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 26.4 - 28.2, mean 27.5 °C (based on 570 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00250 - 0.01521), b=3.15 (2.94 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.46 se; based on food items.
Generation time: 0.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (K=2.42; tmax=1; assuming tm<1;).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
Nutrients (Ref. 124155):  Calcium = 391 [177, 1,089] mg/100g; Iron = 1.68 [0.74, 3.44] mg/100g; Protein = 17.3 [15.8, 18.8] %; Omega3 = 0.147 [0.059, 0.398] g/100g; Selenium = 40.6 [12.4, 124.3] μg/100g; VitaminA = 126 [27, 550] μg/100g; Zinc = 4.15 [2.27, 6.82] mg/100g (wet weight);