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Photo of a White River Crayfish

Species profile

White River Crayfish

Procambarus acutus

Crabs/lobsters/shrimpIUCN: Least Concern2.2K iNat observations

At a glance

White River Crayfish (Procambarus acutus) is an IUCN Least Concern crustacean regulated in 18 of 66 jurisdictions tracked by CatchRules across the U.S. and Canada.

The strictest bag limit is 20 (Montana); the most generous is 150 (Missouri).

Confirmed by 1,225 research-grade iNaturalist observations, with Texas, Ontario, and Massachusetts the top jurisdictions by observation count.

Notable details

  • Native to river drainages across the south-central and southeastern United States.
  • Adults typically reach 3–4 inches (7–10 cm) in body length.
  • Widely used as fishing bait for bass, catfish, and other freshwater gamefish.
  • Molts its entire exoskeleton multiple times per year as it grows.
  • Can tolerate a wide range of water temperatures and oxygen levels.

Background

Procambarus acutus, the white river crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.

Background excerpt adapted from Wikipedia's White River Crayfish article (CC BY-SA). Visit Wikipedia for the full entry.

Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.