Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
marino demersal. Tropical
Northwest Pacific: Japan (from Kanagawa Prefecture and the Goto Islands southward), Taiwan, and the South China Sea.
Tamaño / Peso / Age
Madurez: Lm ?  range ? - ? cm
Max length : 8.0 cm TL macho / no sexado; (Ref. 637)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 8; Radios blandos dorsales (total) : 9; Espinas anales: 2; Radios blandos anales: 8. Body depth high and each fin rounded.
Body shape (shape guide): short and / or deep; Cross section: compressed.
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
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 20.9 - 29.2, mean 28.7 °C (based on 1292 cells).
Phylogenetic diversity index (Referencia
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00680 - 0.03071), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Referencia
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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