Signal Crayfish

Pacifastacus leniusculus

A background creature: tap it in the game to add it to your atlas.

Scientific name	Pacifastacus leniusculus
Size	usually 6 to 9 cm, up to 20 cm
Where it lives	Streams and rivers of the Columbia River basin in north-western North America

Did you know?

Named for the white patch on its claws, like the flag of a railway signalman.

Swim with the Signal Crayfish in Ember Reef