Red Swamp Crawfish (Procambarus clarkii) Distribution Map in the United States #1467044 (License: Personal Use)

The map illustrates the geographic distribution of Procambarus clarkii-the red swamp crawfish-across the United States. Tan-colored states represent its native range, primarily in the southeastern U.S., while red states indicate regions where it has been introduced, often through aquaculture or accidental release. Inset maps highlight its presence in Alaska and Hawaii, underscoring its wide dispersal.

Used on ecology, invasive species, or fisheries webpages to inform researchers, educators, and policymakers about the spread of this highly adaptable crayfish; matches user intent for scientific, educational, or environmental management purposes.