Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 20 - 300 m (Ref. 56557). Temperate
Northwest Pacific: known only from off the Pacific coast of Tohoku District, Japan, Fukushima and Miyagi Prefectures.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm TL mâle / non sexé; (Ref. 56557)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 6 - 8; Rayons mous dorsaux (Total) : 11 - 13; Rayons mous anaux: 10 - 13. This species is distinguished by the following set of characters: deeply bicuspid nasal spines; uppermost preopercular spine not barbed; elongated first dorsal fin in males; lateral line extend past caudal fin base, with 2 or 3 lateral line pores on caudal fin; no ventral lateral cirrus and lateral line cirri (Ref. 83439).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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)
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): 6 - 16.8, mean 14.5 °C (based on 57 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.2 ±0.40 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
