Blepharipoda occidentalis

Blepharipoda occidentalis, the spiny sand crab or spiny mole crab, is a species of sand crab or mole crab which lives in the eastern Pacific Ocean, from Central California to Baja California. It is oval in shape, growing up to 3 in long and 1.75 in wide. It lives on sandy beaches up to 30 m under water, and feeds on the remains of other sand crabs that live in the area.