Information & Facts

Signal crayfishSpecies Name
(Pacifastacus leniusculus)

Common Names
Signal Crayfish, Crawfish, Crawdad, Crawdab

Size Range
Regulations require min. size 3" from tip of rostrum (nose) to tip of tail.

There is only one native crayfish species in Washington the Signal crayfish (Pacifastacus leniusculus). This species can be identified by its uniform brownish coloration, white or light coloration of the claw joint ,and the smooth surface of its carapace and claws compared to that of nonnative species. Native crayfish are the only crayfish that may be removed from the vicinity of the waterbody alive. If you cannot positively identify your catch as a nonnative species, the daily limit and other restrictions listed above for native crayfish apply.

For more information on Crayfish see: http://wdfw.wa.gov/fishing/shellfish/crayfish/