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, California (E. Pacific Ocean)


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Image ID: 0058271-PCO.jpg

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, California (E. Pacific Ocean)
Credit to: Blue Planet Archive / Phillip Colla

Image dimensions: 3600x5400

URL for this image: https://pictures.blueplanetarchive.com/image/I0000h0VMhZpD0VQ