Purple Sea Urchin

Scientific Name:
Strongylocentrotus purpuratus
Description

A purple-hued, spiny, round invertebrate up to 7 cm (3 in) across.

Behaviors

Crawls over rocks and the sea floor with many tube feet and uses its teeth and spines to dig holes for protection. Diet consists of kelp and other algae.

Fun Facts

Eating purple urchins can cause otters’ teeth and bones to turn purple!

Habitat