International Introductions of
Gymnocephalus cernua Introductions as compiled by FAO |
Main Ref: | FAO 1997 | ||||
To: | USA | ||||
FAO area: | America, North - Inland waters | ||||
From: | Europe | ||||
FAO area: | Europe - Inland waters | ||||
Year: | 1986 | ||||
Range: | - | ||||
Period: | 1975-1999 | ||||
Established in the wild: | established, natural reproduction | ||||
Established in aquaculture: | - | ||||
Significant ecological interactions: | some - adverse | ||||
Significant socio-economic effects: | unknown - | ||||
Introduced by: | unknown | ||||
Reason: | accidental with ships | ||||
Other reason: | |||||
Comments: | Found in a Lake Superior harbor where it was accidentally introduced through ballast tanks of ships; eats eggs of whitefish species and may threaten stocks of indigenous yellow perch. Also Ref. 37896. Ref: Welcomme, R.L., 1988 |
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