|
International Introductions of
Gymnocephalus cernua Introductions as compiled by FAO |
| প্রধান সুত্র: | Pratt, D.M., W.H. Blust and J.H. Selgeby 1992 | ||||
| To | Canada | ||||
| FAO area | America, North - Inland waters | ||||
| From: | Unknown | ||||
| FAO area | |||||
| Year | |||||
| Range | - | ||||
| Period | unknown | ||||
| Established in the wild | established, natural reproduction | ||||
| Established in aquaculture | - | ||||
| Significant ecological interactions | some - adverse | ||||
| Significant socio-economic effects | some - adverse | ||||
| Introduced by: | |||||
| Reason | accidental with ships | ||||
| Other reason | |||||
| Comments | Found in Lake Superior (Thunder Bay) where it was accidentally introduced through ballast tanks of ships; predator of eggs or larvae of other species. Of little or no value as food or recreational fish and is frequently considered a pest or a serious problem. Also Ref. 12204. Ref: Pratt, D.M., W.H. Blust and J.H. Selgeby, 1992 | ||||
| Update record Fish Introductions Table | |||||