Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; benthopelagic; pH range: ? - 7.0; dH range: 10 - 15. Subtropical; 18°C - 24°C (Ref. 2060)
Asia: Eastern Asia and Taiwan (Ref. 41299); Russia (Ref. 53210). Introduced elsewhere. At least one country reports adverse ecological impact after introduction (Ref. 1739).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.2 cm SL male/unsexed; (Ref. 108468); common length : 5.2 cm SL male/unsexed; (Ref. 35840)
Found in shallow ponds and marshes of plains, and adjacent irrigation canals (Ref. 41299).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Female lays eggs inside mussels where they are fertilized by the male. Young remain in the bivalve until they can swim (Ref. 43281).
Nakabo, T., 2002. Fishes of Japan with pictorial keys to the species, English edition I. Tokai University Press, Japan, pp v-866. (Ref. 41299)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Potential pest (Ref. 6094)
Human uses
Fisheries: commercial; aquarium: commercial
Tools
Special reports
Download XML
Internet sources
