| Impact ID | 6519 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Pacifastacus leniusculus is a carrier of the crayfish plague (Aphanomyces astaci), its role as a vector of the disease reduced European crayfish populations. |
| Reference | 32745 |
| Cost | |
| Location | |