Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Hemilepidotus: Greek, hemi = half + Greek, lepis = scale + Greek, ous, otis = ear (Ref. 45335). More on authors: Gilbert & Burke.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 61 - 530 m (Ref. 56594), usually 100 - 250 m (Ref. 56594). Polar; 0°C - 4°C (Ref. 56594); 66°N - 51°N
North Pacific: northern Kuril Islands (Ref. 56594), Bering Sea and Aleutian Islands, Alaska.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 17 - 18 cm
Max length : 26.0 cm TL male/unsexed; (Ref. 56594); common length : 17.6 cm TL male/unsexed; (Ref. 56594); max. published weight: 330.00 g (Ref. 56594); max. reported age: 9 years (Ref. 56594)
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 1 - 4.5, mean 3.8 (based on 49 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.5 ±0.5 se; Based on size and trophs of closest relatives
Generation time: 9.2 ( na - na) years. Estimated as median LN(3)/K based on 1 growth studies.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (56 of 100) .