Basic Crayfish Anatomy

FYI: A crayfish is not a fish. It is an arthropod, making it more related to insects than to fish.

Maxillipeds - mandible

(Mandible/jaw)(Maxillipeds)

Head - cephalothorax - abdomen

Determine the sex of your crayfish

Gills

Gills

Heart - arteries (bright pink)

Stomach - intestine - blood stream

Mouth - esophagus - stomach

Food waste through the anus

Brain - nerves - antennae/eyes