| Impact ID | 2136 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Stomach contents of exotics reveal that small native fishes are the major prey of the Oscar (Hogg, 1976) and are seasonally important prey for walking catfish. |
| Reference | 466 |
| Great Lakes Region | No |
| Cost | |
| Location | |
