Purple and black sea urchins on a rocky reef. The urchins will clear all kelp off a reef if their population is not held in balance by predictors. Santa Barbara Island. California, USA
Stock Photo: 10142 Species: Purple urchin, Strongylocentrotus purpuratus Location: Santa Barbara Island, California, USA Format: Digital 2:3 Other Names: purple sea urchin Copyright © Phillip Colla, all rights reserved worldwide. Purchase a print of this image Request a review copy of this image Keywords: animal, california, channel islands, channel islands national marine sanctuary, echinoderm, invertebrate, marine invertebrate, national marine sanctuaries, ocean, oceans, pacific, purple sea urchin, purple urchin, santa barbara island, sea urchin, strongylocentrotus purpuratus, underwater, usa, wildlife |