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Strongylocentrotus purpuratus is a species of sea urchin in the family Strongylocentrotidae commonly known as the purple sea urchin. It lives along the eastern edge of the Pacific Ocean extending from Ensenada, Mexico, to British Columbia, Canada.
Learn about the purple sea urchin (Strongylocentrotus purpuratus), a spiny invertebrate that lives on rocky shores and eats algae. Find out how it defends itself, how it relates to kelp forests and sea otters, and how it decorates itself.
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Jan 3, 2020 · Learn about the purple sea urchin (scientific name: Strongylocentrotus purpuratus), a spiny invertebrate that lives in the Pacific Ocean along North America's coast. Discover its features, habitat, diet, life history, threats, and conservation efforts.
Learn about the purple sea urchin, a spiny and ovoid-shaped animal that lives on rocky shores of the Eastern Pacific. Find out its scientific name, diet, habitat, reproduction, conservation status and more.
The Purple Sea Urchin is one of the most common sea urchins found on Sydney's coast. Identification. Colours can vary so dramatically in this species, from light olive green to pink to a dark purple, that the Purple Sea Urchin was once thought to be three separate species.
Sea urchins are members of the phylum Echinodermata, which also includes sea stars, sea cucumbers, sand dollars, brittle stars, and crinoids. Like other echinoderms, they have five-fold symmetry (called pentamerism) and move by means of hundreds of tiny, transparent, adhesive " tube feet ".
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The purple sea urchin thrives amid strong wave action and areas with churning aerated water. The giant kelp forests provide a feast for S. purpuratus . Many sea urchins can be found on the ocean floor near the holdfast of the kelp.
