Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 19 - 750 m (Ref. 50550). Deep-water
North Pacific: Sea of Japan to the Sea of Okhotsk and the Bering Sea.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 42.0 cm TL mâle / non sexé; (Ref. 43939)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 5 - 7; Rayons mous dorsaux (Total) : 6 - 8; Épines anales: 0; Rayons mous anaux: 7 - 9; Vertèbres: 40 - 42. Snout round, without a barbel on its anterior tip; dorsum highly elevated at nape (Ref. 559). Branchial membranes united, free from isthmus (Ref. 559). Bony plate on body with a large sharp spine (Ref. 559).
Found over rocky gravel and muddy sand bottoms (Ref. 43939).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 0.3 - 5.5, mean 1.8 °C (based on 368 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00187 - 0.01224), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.2 se; based on diet studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).
