At first glance there isn’t much difference between the color of lobsters and crayfish – crayfish are dark blue, green, or black, while lobsters are greenish-blue or greenish-brown.

Researchers Baffled After Finding New Species of Crayfish Hiding Amongst Common Aquarium Pets for Over Two Decades Scientists have discovered a new species of colorful crayfish hiding in plain sight ...

CREDIT: Jiří Patoka. Dusty crayfish generally have smooth bodies, large eyes, and claws. They also have two general color forms–purple and blue. The purple form crayfish have turquoise bodies ...

Specimens have large eyes and claws, as well as smooth bodies. The species comes in two color forms: Blue form crayfish are a dark hue with orange joints and tails, while purple form crayfish are ...