Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce démersal; pH range: 6.8 - 7.5; dH range: 8 - 18. Temperate; 15°C - 25°C (Ref. 13614)
Asia: Hokkaido, Japan.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm TL mâle / non sexé; (Ref. 13614)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 7 - 8; Épines anales: 0; Rayons mous anaux: 5 - 6. Body elongate, head rather depressed, tail compressed. Four pairs of barbels present; 3 on upper jaw and another on anterior nostril. No spine below eye. Scales rather large. No lateral line. A black longitudinal band on body of male.
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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00336 - 0.01491), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
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).
