| Specimen ID | 4963 |
| Group | Crustaceans-Cladocerans |
| Genus | Bythotrephes |
| Species | longimanus |
| Common Name | spiny waterflea |
| State | NY |
| County | Niagara |
| Locality | Lake Ontario at Somerset, NY (610 m offshore) |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Ontario |
| HUC8 Number | 04280002 |
| HUC10 Name | Lake Ontario |
| HUC10 Number | 0428000202 |
| HUC12 Name | Lake Ontario |
| HUC12 Number | 042800020200 |
| Map | |
| Collection Day | 26 |
| Collection Month | 11 |
| Collection Year | 1985 |
| Year Accuracy | Actual |
| Potential Pathway | shipping |
| Status | established |
| Reference 1 |
| Ref. Number: | 9344 |
| Author: | Lange, C., and R. Cap |
| Date: | 1986 |
| Title: | Bythotrephes cederstroemi (Schoedler). (Cercopagidae: Cladocera): a new record for Lake Ontario. |
| Journal: | Journal of Great Lakes Research |
| Volume: | 12 |
| Issue: | 2 |
| Pages: | 142-143 |
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| Comments | First appearance Sept. 12, 1985. Found in the cooling water intake of the NY State Electric and Gas Corporation-owned Somerset Coal Generating Station) |
| Record Type | Literature |
| Verifier | Dr. David Klarer |
| Freshwater/Marine | Freshwater |
