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> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Gymnocanthus: Greek, gymnos = naked + Greek, akantha = thorn (Ref. 45335).
More on authors: Gilbert & Burke.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser demersal; tiefenbereich 15 - 450 m (Ref. 50550). Temperate

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North Pacific: eastern Hokkaido, Japan to the Bering Sea.

Length at first maturity / Size / Gewicht / Alter

Maturity: L_m 25.0, range 24 - 26 cm
Max length : 29.0 cm SL Männchen/unbestimmt; (Ref. 559)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 9 - 11; Rückenflossenweichstrahlen (insgesamt) : 15 - 18; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 17 - 19. Interorbital space wide, its width about 1.5 times eye diameter, and covered with bony plates (Ref. 559).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 130435: Version 2024-1)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Preferred temperature (Ref. 123201): 0.4 - 5.9, mean 2.8 °C (based on 418 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00631 (0.00384 - 0.01037), b=3.04 (2.89 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.35 se; based on food items.

Generation time: 8.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (tm=5-6; tmax=17; K=0.13-0.17; Fec=6,100-72,000).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (25 of 100).

Gymnocanthus detrisus Gilbert & Burke, 1912