| |
| | Larval Identification of the Ruffe, Gymnocephalus cernuus (Linnaeus) (Percidae, Percini), in the St. Louis River ... |
 | | Larval Identification of the Ruffe, Gymnocephalus cernuus (Linnaeus) (Percidae, Percini), in the St. Louis River Esturary, Lake Superior Drainage Basin, Minnesota |
 | | Larval Identification of the Ruffe, Gymnocephalus cernuus (Linnaeus) (Percidae, Percini), in the St. Louis River Estuary, Lake Superior Drainage Basin, Minnesota, U.S. Fish and Wildlife Service. |
 | | A reproducing population of the Eurasian percid Gymnocephalus cernuus was discovered in the St. Louis River, Lake Superior basin, near Duluth, Minnesota. |
| www.sgnis.org /publicat/simovond.htm (189 words) |
|