Procambarus virginalis
Procambarus virginalis
(marbled crayfish)
Crustaceans-Crayfish
Cryptogenic

Impact ID9278
Impact TypeCompetition
Study TypeAnecdotal
Study LocationN/A
Impact DescriptionResults of a dynamic energy budget model suggest that marbled crayfish is a superior competitor when considering metabolism and ontogeny. Models show that marbled crayfish has a clear potential to be a better competitor than Astacus astacus, Austropotamobius torrentium, and Pacifastacus leniusculus.
Reference40058
Great Lakes RegionNo
Cost 
Location 

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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2026].

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