Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 298 - 4938 m (Ref. 58302), usually 400 - 2400 m (Ref. 58302). Deep-water; 64°N - 20°N, 105°E - 130°W
North Pacific: temperate and subtropical, from southern Japan to Baja California, from 21°N and into the Bering Sea.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 6.2 cm SL mâle / non sexé; (Ref. 559)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 12 - 15; Épines anales: 0; Rayons mous anaux: 17 - 20; Vertèbres: 31 - 33. Body dark-brown or black; margin of scale pockets especially dark; area immediately anterior to anal origin densely pigmented and not transparent; peritoneum black, ending above area between 3rd and 4th VAV, usually invisible from the outside (Ref. 559). Gill lamellae free and reduced (Ref. 559).
Meso- to bathypelagic (Ref. 58302). Inhabits deep water and is only captured with special equipment. Lipid content is 4.0 % in fresh body weight and wax ester is 58.4 % in total lipid (Ref. 9193). Protandrous hermaphrodite, oviparous with planktonic eggs and larvae (Ref. 35800).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
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): 1.7 - 7.3, mean 2.4 °C (based on 579 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00172 - 0.00881), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
