Purple and black sea urchins on a rocky reef, Strongylocentrotus purpuratus

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., Strongylocentrotus purpuratus, natural history stock photograph, photo id 10142
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.

Species: Purple Urchin, Strongylocentrotus purpuratus
Location: Santa Barbara Island, California
Image ID: 10142
Lat/Long: 33.46832, -119.04328 (Coordinates: 33° 28' 5.95" N, 119° 02' 35.81" W)
Format: Digital 2:3
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