Home > Invertebrates > Sea Urchins > Strongylocentrotus purpuratus

Family Stongylocentrotidae

NORTHEAST PACIFIC

Strongylocentrotus purpuratus

Rock Quarry, Catalina, California, 5 feet

PURPLE URCHIN

Common under rocks and in crevices in shallow water.  Attains 3.5 inches.  Alaska to Outer Baja California.