FAO 1997
|
Ireland |
Europe - Inland waters |
USA |
America, North - Inland waters |
|
1900 - 1910 |
1900-1924 |
probably established, both |
- widely used |
assisted/artificial reproduction |
none - |
probably some - beneficial |
international organization |
angling/sport |
aquaculture |
Naturally reproducing populations occur in some lakes but most waters are stocked from artificially bred material from fish farms. Failure to breed naturally in the country means that impact on native species would remain small (Ref. 13288). Also Ref. 13364.
Ref:
Griffiths, D., 1997
|