Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 394 - 420 m (Ref. 27311). Temperate
Northwest Pacific: known only from Japan.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL mâle / non sexé; (Ref. 559)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 9 - 10; Rayons mous dorsaux (Total) : 14 - 16; Épines anales: 0; Rayons mous anaux: 17 - 18; Vertèbres: 33 - 35. This species possess the following set of characters: small head, its length 29-32% SL, depth
13-18% SL; barely concave interorbital space, slightly narrow, its width 4.8-7.7% HL; basal length of anal fin 38-42% SL; scales on chin and pectoral-fin rays absent, small scales scattered on ventral surface of trunk; a nuchal cirrus short; cirrus absent below lateral line; D1 IX-X (mode IX), D2 14-16 (mode 15); A 17-18 (mode 17); lateral-line scales 33-35 (mode 34); vertebrae 12 + 21-23 (mode 12 + 22) =33-35 (mode 34) (Ref. 76844).
Occurs on sandy and/or cobble bottoms (Ref. 76844).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Tsuruoka, O., S. Maruyama and M. Yabe, 2008. Revision of the Cottid Genus Astrocottus Bolin (Perciformes: Cattoidei), with the description of a new species from Northern Japan. Bull. Natl. Mus. Sci. Ser. A. Suppl. 2:25-37. (Ref. 76844)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 7.6, mean 3.2 °C (based on 62 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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 ±0.5 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).