The rusty crayfish is an aggressive freshwater crustacean recognized by its rust-colored spots on either side of its carapace. Native to rivers and lakes in the Ohio River Basin, it can reach up to 4 inches in length. Known for its competitive nature, it often displaces native crayfish species and alters aquatic ecosystems through its foraging activities. This summary is AI generated
Water type
IUCN Status
Threat to humans
Source: Fishbase
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Rusty crayfish
length · weight


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