Purple Sea Urchin
(Strongylocentrotus purpuratus)

General information
Copyright Julianne E. Steers

Phylum: Echinodermata
Size: Up to 8cm
Range: Vancouver Island to Baja California
Notes: The hard body of an urchin is called a ‘test’. An urchin’s mouth consists of 5 bony plates that form a beak called the ‘Aristotle’s Lantern’.