| Specimen ID | 269021 |
| Group | Crustaceans-Cladocerans |
| Genus | Bythotrephes |
| Species | longimanus |
| Common Name | spiny waterflea |
| Country | Canada |
| State | ON |
| Locality | Lake St. Clair |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake St. Clair |
| HUC8 Number | 04090002 |
| HUC10 Name | Lake St. Clair |
| HUC10 Number | 0409000210 |
| HUC12 Name | 040900020000 |
| HUC12 Number | 040900021009 |
| Map | |
| Collection Year | 1984 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 18417 |
| Author: | Ontario Federation of Anglers and Hunters (OFAH) |
| Date: | 2010 |
| Title: | Exotic species data for Ontario, Canada (unpublished). |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
