The Invasion of Procambarus clarkii (Decapoda: Cambaridae) into Maryland Streams Following Its Introduction in Outdoor Aquaculture Ponds

We provide locality data for stream populations of Procambarus clarkii (Red Swamp Crawfish) in Maryland. This non-native species is now established in 14 watersheds in the Coastal Plain, including all watersheds where it was historically raised in aquaculture ponds. Our surveys indicate that the int...

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