Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; sötvatten; brackvatten bottenlevande; amfidrom (Ref. 51243); djupintervall 0 - 5 m (Ref. 86942). Tropical
Asia: India to the Philippines and north to Japan. Oceania: Fiji (Ref. 12743); French Polynesia (Ref. 12792); and, New Caledonia and Vanuatu (Ref. 38002).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.5 cm TL hane/ej könsbestämd; (Ref. 11344)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 10; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 10; Ryggkotor: 26. A black ocellus on the posterior part of the first dorsal fin. Upper jaw thick and slightly extended. The cheek and upper portion of operculum scaled.
Found on fine gravel bottoms from estuaries to fresh water of rivers.
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 24.6 - 29.3, mean 28.4 °C (based on 1666 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00442 - 0.02163), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).