Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Myoxocephalus: Greek, myos = muscle, and also, mouse + Greek, kephale = head (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; amphidromous (Ref. 51243); depth range 0 - 775 m (Ref. 6793). Temperate; 66°N - 42°N, 144°E - 124°W
North Pacific: Hokkaido, Japan and Kamchatka, Russia through the Aleutian Islands to the Bering Sea coast of Alaska and Puget Sound, Washington, USA.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 54 - 58 cm
Max length : 80.0 cm TL male/unsexed; (Ref. 56527); max. published weight: 9.0 kg (Ref. 56527)
(total): 9 - 10;
soft rays: 11 - 13. Caudal fin slightly rounded (Ref. 6885). Color deep olive on dorsal surface with 4 dark saddles across back; ventral surface pale; brown bars running downward on relaxed unpaired and paired pectoral fins (Ref. 6885).
Occurs in the intertidal area and to 244 m depth, on sand and mud bottoms (Ref. 2850). Feeds on small fishes (Ref. 4925). Often caught near shore (Ref. 2850).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 0.7 - 6.3, mean 3.2 (based on 435 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00599 - 0.01390), b=3.12 (2.99 - 3.25), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.2 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (tm=6-8; tmax=9-13; K=0.08-0.21; Fec=2,00-10,000).
Vulnerability (Ref. 59153
): High to very high vulnerability (68 of 100) .