Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Gymnocanthus: Greek, gymnos = naked + Greek, akantha = thorn (Ref. 45335). More on author: Bean.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 0 - 579 m (Ref. 50550), usually 50 - ? m (Ref. 2850). Temperate
North Pacific: Hokkaido, Japan to south of St. Lawrence Island, Alaska to Agattu Island in the Aleutian chain and Wales Island, British Columbia, Canada.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 36.0 cm TL male/unsexed; (Ref. 2850)
Deep records for this species is anomalous and must be regarded as questionable (Ref. 6793).
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. 119314)
CITES (Ref. 115941)
Threat to humans
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 0.2 - 6.6, mean 2.7 (based on 698 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00458 - 0.01316), b=3.10 (2.95 - 3.25), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (58 of 100) .