| Specimen ID | 879745 |
| Group | Crustaceans-Crabs |
| Genus | Hemigrapsus |
| Species | sanguineus |
| Common Name | Asian shore crab |
| State | CT |
| County | New Haven |
| Locality | Walnut Public Beach |
| Mapping Accuracy | Accurate |
| HUC8 Name | Housatonic |
| HUC8 Number | 01100005 |
| HUC10 Name | Housatonic River-Frontal Long Island Sound |
| HUC10 Number | 0110000513 |
| HUC12 Name | Housatonic River-Frontal Long Island Sound |
| HUC12 Number | 011000051302 |
| Map | |
| Collection Day | 23 |
| Collection Month | 9 |
| Collection Year | 2015 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Comments | "Found when flipping rocks over in a sandbar/strip of black rocks. They are everywhere." |
| Record Type | Personal communication |
| Freshwater/Marine | Marine |
