Introductions of Clarias batrachus

[n = 11]

Year / Period From To Established Ecol. effects
unknown Southeast Asia UK probably not established  
unknown Unknown Papua New Guinea established  
unknown Unknown Japan established unknown
unknown Unknown Guam established  
1960 - 1969 Thailand USA established some
1960 - 1969 Java, Indonesia USA established some
1939 Java Sulawesi established some
1970 Thailand Hong Kong not established  
1972 Thailand Philippines established some
1972 Thailand Taiwan established probably some
1978 Thailand China probably not established probably none
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