Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique; profondeur 0 - 1700 m (Ref. 50550). Temperate; 66°N -
North Pacific: Pusan, Korea north (outside the Sea of Okhotsk) to Providence Bay in the Anadyr Gulf of the Bering Sea, throughout the Aleutian Basin and islands, and southeast to Mathieson Channel, British Columbia, Canada.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 41.0 cm TL mâle / non sexé; (Ref. 56527); poids max. publié: 2.3 kg (Ref. 56527)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 8 - 9; Épines anales: 0; Rayons mous anaux: 7 - 9. Brownish gray with dark spots dorsally, muddy gray ventrally. Caudal fin rounded; pectoral fins large and broadly based; pelvic fins modified to form a clinging disc with a thickened margin on the ventral surface of the body (Ref. 6885). Skin naked without scales and tubercles. First dorsal fin completely embedded under the skin. Disk rudimentary in young, well developed in adults (Ref. 43939).
Body shape (shape guide): short and / or deep.
Males are said to guard the eggs (Ref. 6885). Migrate to spawn in littoral waters of Bering Sea in December-June (Ref. 43939).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.7 ±0.38 se; based on food items. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate vulnerability (35 of 100). 🛈 |