| Impact ID | 8300 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Recent sampling in Lake Superior indicates that the Henslow peaclam (Pisidium henslowanum) has a greater abundance in the Duluth-Superior Harbor area than any species of native peaclam (Pisidium spp.), suggesting that P. henslowanum may possess some invasive trait(s) or compete with native species. |
| Reference | 16946 |
| Cost | |
| Location | Duluth- Superior Harbor, Lake Superior, USA |