| Impact ID | 9847 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | In 1996, angling for nonnative trout in the upper Delaware River resulted in $17.69 million in local revenues and approximately $30 million in local economic activity. Invasion by Flathead Catfish would put this fishery at risk. |
| Reference | 15629 |
| Great Lakes Region | No |
| Cost | |
| Location | |
