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

Impact ID9277
Impact TypeCompetition
Study TypeExperimental
Study LocationLaboratory
Impact DescriptionResults of a competition experiment suggests that marbled crayfish Procambarus virginalis dominates in interactions with red swamp crayfish P. clarkii. Marbled crayfish won significantly more fights and established dominance more frequently in both mature and premature trials.
Reference39235
Great Lakes RegionNo
Cost 
Location 

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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/19/2025].

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