Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; non migrateur; profondeur 300 - 1000 m (Ref. 1371). Deep-water; 36°N - 20°N, 125°E - 140°E (Ref. 1371)
Northwest Pacific: southern Japan (Ref. 1371) and Taiwan (Ref. 54421). Possibly much wider in distribution.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 75.0 cm TL mâle / non sexé; (Ref. 1371)
Épines dorsales (Total) : 2; Épines anales: 0. Eyes very large; snout long, sharply pointed, its anterolateral margin completely supported by bone; head ridges prominently demarcated by stout, spiny scales; underside of head scaled. Light organ short. Overall color is grayish to brownish, without prominent markings; mouth cavity gray; gill cavities and distal third of the first dorsal fin blackish.
Body shape (shape guide): elongated; Cross section: circular.
Larger individuals are found in deeper waters. Feeds on euphausiids, prawns, benthic fishes, isopods, and polychaetes.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 7.2 - 13.7, mean 10.3 °C (based on 19 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00132 - 0.00501), b=3.19 (3.02 - 3.36), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.5 ±0.52 se; based on food items.
Résilience (Réf.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Moderate to high vulnerability (50 of 100).
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