| Specimen ID | 266540 |
| Group | Crustaceans-Cladocerans |
| Genus | Cercopagis |
| Species | pengoi |
| Common Name | fishhook waterflea |
| Country | Canada |
| State | ON |
| Locality | Lake Ontario, Northumberland Co., near Gosport. |
| 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 | 5 |
| Collection Month | 8 |
| Collection Year | 1998 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | collected |
| Reference 1 |
| Ref. Number: | 19331 |
| Author: | Ontario Federation of Anglers and Hunters. |
| Date: | 2009 |
| Title: | OFAH Database All Species - 2009 Download. |
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| Comments | present in 6 of 6 sites sampled, surface temperatures at these sites ranged from 22.9 to 23.9 degrees Celsius, bottom temperature ranged from 17.4 to 22.5 degrees Celsius, found more at middle depths than shallowest and deepest |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
