| Impact ID | 7450 |
| Impact Type | Other Ecological Benefits |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | One study in headwater lakes of Massachusetts indicates that introduced Blueback herring (Alosa aestivalis) is a beneficial prey item for largemouth bass. |
| Reference | 24199 |
| Cost | |
| Location | Santuit ponds, Massachusetts |