| Impact ID | 4272 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Adverse interactions, in the form of food competition and possibly predation, by the Eurasian perch on the ‘endangered’ trout cod, Maccullochella macquariensis, are said to have contributed to the cod’s decline |
| Reference | 36206 |
| Cost | |
| Location | Australia |