Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical; 22°C - 28°C (Ref. 2059)
Asia: Yangtze River basin in central China, Taiwan, Hainan Island to the Red River basin of northern Viet Nam (Ref. 43157). Also reported from Japan and Sri Lanka (Ref. 559).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 23.5 cm TL male/unsexed; (Ref. 128592); common length : 8.7 cm SL male/unsexed; (Ref. 35840); max. published weight: 113.50 g (Ref. 128592)
Obligate air-breathing (Ref. 126274); Generally restricted to relatively narrow regions, characterized by humid rainforest climate (Ref. 43157). Feed on crustaceans, insect larvae and fish.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Man, S.H. and I.J. Hodgkiss, 1981. Hong Kong freshwater fishes. Urban Council, Wishing Printing Company, Hong Kong, 75 p. (Ref. 5258)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
Special reports
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Internet sources