Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Hemilepidotus: Greek, hemi = half + Greek, lepis = scale + Greek, ous, otis = ear (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 257 - 604 m (Ref. 50550). Boreal; 66°N - 54°N, 154°E - 134°W
North Pacific: northern Kuril Islands and Kamchatka, Russia to the Anadyr Gulf and Sitka, Alaska.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 34 - 38 cm
Max length : 41.0 cm TL male/unsexed; (Ref. 2850)
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. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 1.4 - 4.8, mean 3.5 (based on 33 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00565 - 0.02129), b=3.14 (2.96 - 3.32), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.0 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tm = 4-7).
Vulnerability (Ref. 59153
): High vulnerability (61 of 100) .