Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; freshwater; brackish; demersal; amphidromous (Ref. 51243); depth range 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 / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.5 cm TL male/unsexed; (Ref. 11344)
Found on fine gravel bottoms from estuaries to fresh water of rivers.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
Tools
Special reports
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Internet sources