Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 792 - 1200 m (Ref. 28494). Deep-water
Northwest Pacific: central and southern Japan and Nintoku Seamount. Recently recorded from Taiwan (Ref. 54421).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 63.5 cm TL mâle / non sexé; (Ref. 54421)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Head very wide and rather elongate. Bones of head soft and cavernous. Orbit small. Mouth terminal and oblique. Teeth minute, roughly equal, with arrow-shaped tip, set in broad band on premaxillary and in narrow band on dentary. No teeth on vomer or palatine. No barbel. Scales cycloid, small, and deciduous. Scales on mandibular ramus comparatively large, arranged in a single row (Ref. 54421).
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 2024-1)
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): 4 - 5, mean 4.6 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00141 - 0.00976), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (45 of 100).