Actinopterygii (ray-finned fishes) > Scorpaeniformes
(Scorpionfishes and flatheads) > Cottidae
Etymology: Gymnocanthus: Greek, gymnos = naked + Greek, akantha = thorn (Ref. 45335). More on authors: Temminck & Schlegel.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 15 - 256 m (Ref. 58496). Temperate
Northwest Pacific: Iwate and Ishikawa Prefectures to the northern Sea of Japan.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 10 - 12 cm
Max length : 28.6 cm TL male/unsexed; (Ref. 120625)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 2.7 - 15.8, mean 11.1 (based on 50 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00364 - 0.01313), b=3.21 (3.04 - 3.38), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.2 se; Based on diet studies.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (43 of 100) .