| Specimen ID | 253211 |
| Group | Crustaceans-Cladocerans |
| Genus | Cercopagis |
| Species | pengoi |
| Common Name | fishhook waterflea |
| Country | Canada |
| State | ON |
| Locality | Lake Ontario, EPA Station ON25 |
| 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 | 4 |
| Collection Month | 8 |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 17806 |
| Author: | EPA Great Lakes National Program Office. |
| Date: | 2008 |
| Title: | EPA Monitoring Data. |
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| Comments | Depth = 20m; sample at 100m found 38.33/m3 |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
| Number Collected | 196.89/m3 |
