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Category: Echinodermata

Strongylocentrotus purpuratus (Purple Sea Urchin)

December 15, 2022 Dan Nelson 4 Comments

I am embarrassed to admit that I knew almost nothing about the biology and ecology of purple sea urchins (or…

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Posted in: Animals, Echinodermata, Echinoida, Echinoidea, Plants, Species Profiles, Strongylocentrotidae, Strongylocentrotus Filed under: Purple Sea Urchin, Strongylocentrotus purpuratus

Pisaster ochraceus

December 7, 2022 Dan Nelson 3 Comments

For me Pisaster ochraceus, with their bright colors, tenacious clinging to the rock, and utterly alien lifestyle (by that I mean that…

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Posted in: Animals, Asteriidae, Asteroidea, Echinodermata, Forcipulatida, Plants, Species Profiles Filed under: Ochre sea star, Pisaster ochraceus, Purple sea star

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