| Specimen ID | 1714016 |
| Group | Crustaceans-Crayfish |
| Genus | Procambarus |
| Species | virginalis |
| Common Name | marbled crayfish |
| Country | Canada |
| State | ON |
| Locality | Lake Ontario watershed, near Hamilton and Burlington |
| Mapping Accuracy | Approximate |
| HUC8 Name | Sixteen Mile Creek-Frontal Lake Ontario |
| HUC8 Number | 04270103 |
| Map | |
| Collection Day | 31 |
| Collection Month | 7 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Potential Pathway | released pet |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 42663 |
| Author: | Hamr, P. |
| Date: | 2023 |
| Title: | First record of the marbled crayfish in Canada/North America |
| Journal: | Int. Assoc. Astacology Crayfish News |
| Volume: | 45 |
| Issue: | 1-2 |
| Pages: | 1-3 |
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| Reference 2 |
| Ref. Number: | 42216 |
| Author: | Anonymous |
| Date: | 2023 |
| Title: | Be on the lookout for marbled crayfish in the Burlington area |
| Publisher: | BurlingtonToday.com |
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| Reference 3 |
| Ref. Number: | 25944 |
| Author: | iNaturalist |
| Date: | 2024 |
| Title: |
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| Comments | Multiple specimens caught, all female, which confirms that this is the parthenogenic Marbled Crayfish and suggests a reproducing population. Follow-up sampling by P. Hamr and Ontario Federation of Anglers and Hunters conducted further surveys in October 2023 (P. Hamr, pers. comm), capturing additional adults and juveniles.
https://www.inaturalist.org/observations/176093003 |
| Record Type | Literature |
| Verifier | Dr. Premek Hamr, Ontario Ministry of Natural Resources and Forestry |
| Freshwater/Marine | Freshwater |
| Size | 9-45 mm carapace length |
| Photo | |
