Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal. Tropical
Northwest Pacific: Japan (from Kanagawa Prefecture and the Goto Islands southward), Taiwan, and the South China Sea.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 8.0 cm TL mâle / non sexé; (Ref. 637)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 8; Rayons mous dorsaux (Total) : 9; Épines anales: 2; Rayons mous anaux: 8. Body depth high and each fin rounded.
Occurs solitarily around boulders scattered on sandy and muddy bottoms in bays. Breeding occurs from July to September. Males brood eggs in the mouth (Ref. 559).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Mouthbrooders (Ref. 240). Distinct pairing during courtship and spawning (Ref. 205). Males were reported to release hatched larvae after sunset due to a lower chance of predation (Ref. 128523).
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): 20.9 - 29.2, mean 28.7 °C (based on 1292 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00690 - 0.03171), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±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).
