| Impact ID | 3534 |
| Impact Type | Genetic |
| Study Type | Observational |
| Study Location | Laboratory |
| Impact Description | Crowder (1984) speculated that a cisco native to Lake Michigan, the bloater (C. hoyi) evolved fewer and
shorter gill rakers, and shifted to benthic habitat and diet as a result of competition with alewife. |
| Reference | 24205 |
| Cost | |
| Location | Lake Michigan, USA |