| Impact ID | 8229 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Declines in Diporeia spp., another benthic invertebrate, have been highly correlated with dreissenid expansion, potentially due to reductions in phytoplankton abundance (an important food source) or through the introduction of toxins and pathogens associated with dreissenids and their waste products |
| Reference | 24624 |
| Cost | |
| Location | Lake Michigan, USA |