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Holocéfalos (quimeras) (chimaeras) > Chimaeriformes (Chimaeras) > Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors. (See ETYFish); mccoskeri: In honor of American ichthyologist John E. McCosker (b. 1945), California Academy of Sciences, who collected and supplied holotype to the authors. (See ETYFish).

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

marino batidemersal; no migratorio (Ref. 57880); rango de profundidad 396 - 506 m (Ref. 57880). Deep-water; 1°N - 2°S, 92°W - 89°W (Ref. 57880)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

Eastern Central Pacific: Galapagos Is. (Fernandina, Española, Marchena, San Cristóbal Is.).

Tamaño / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 38.1 cm TL (female)

Short description Claves de identificación | Morfología | Morfometría

Hydrolagus with head small with short, blunt snout; second dorsal fin only slightly indented along its length; preopercular and oral lateral line canals branching from the same node off the infraorbital canal and sharing a short common branch; dorsum medium brown with numerous narrow, sharply delineated irregular circular and elongate white blotches; ventrum white to tan with extremely fine brown mottling.

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

Barnett, L.A.K., D.A. Didier, D.J. Long and D.A. Ebert, 2006. Hydrolagus mccoskeri sp. nov., a new species of chimaeroid fish from the Galápagos Islands (Holocephali: Chimaeriformes: Chimaeridae). Zootaxa 1328:27-38. (Ref. 57880)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 02 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless (Ref. 57880)

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
componentes alimenticios
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Ecology
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Life cycle
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Egg(s)
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Distribution
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Perfiles de acuicultura
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Fuentes de Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Nivel trófico (Ref. 69278): 3.7 ±0.6 se; based on size and trophs of closest relatives

Resiliencia (Ref. 120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Deep-water species with large eggs and low fecundity).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (28 of 100).

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Hydrolagus mccoskeri Barnett, Didier, Long & Ebert, 2006