| Specimen ID | 238695 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| Country | Canada |
| State | ON |
| Locality | Lake Superior at Thunder Bay Harbour (Northern) |
| Mapping Accuracy | Approximate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| Map | |
| Collection Month | 5 |
| Collection Year | 2006 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 16140 |
| Author: | Czypinski, G.D., A.K. Bowen, M.A. Goehle, and B. Brownson. |
| Date: | 2007 |
| Title: | Surveillance for ruffe in the Great Lakes, 2006. |
| Publisher: | US Fish and Wildlife Service, Ashland, WI. |
|
|
| Comments | Collected from May through October. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 173 |
