| Specimen ID | 40349 |
| Group | Fishes |
| Genus | Gymnocephalus |
| Species | cernua |
| Common Name | Ruffe |
| Country | Canada |
| State | ON |
| Locality | Thunder Bay |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| HUC10 Name | Lake Superior |
| HUC10 Number | 0418000002 |
| HUC12 Name | Lake Superior |
| HUC12 Number | 041800000200 |
| Map | |
| Collection Month | 10 |
| Collection Year | 1991 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 522 |
| Author: | Pratt, D.M., W.H. Blust, and J.H. Selgeby |
| Date: | 1992 |
| Title: | Ruffe, Gymnocephalus cernuus: Newly introduced in North America. |
| Journal: | Canadian Journal of Fisheries and Aquatic Sciences |
| Volume: | 49 |
| Pages: | 1616-1618 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 6 |
