A Savigny's Longspine Sea Urchin (Diadema savignyi) in Batangas, Philippines
by Robin Gwen Agarwal
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A Savigny's Longspine Sea Urchin (Diadema savignyi) in Batangas, Philippines
by Robin Gwen Agarwal

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Bouba and Kiki as Black Leather Sponge Sarcotragus spinosulus and Atlantic Purple Sea Urchin Paracentrotus lividus
📷 Anders Hallan
Sea Urchins
The kelp's holdfast, its crucial attachment to the rocks, is incredibly tough. Each sea urchin has five teeth, which are self-sharpening and are replaced every few months. With them the urchins fell vast areas of kelp, creating clearings known as "urchin barrens". BBC | Planet Earth
Eccentric Sand Dollars (Dendraster excentricus) - (c) SaritaWolf - please do not repost

Anya is live and ready to show you everything. Watch her strip, dance, and perform exclusive shows just for you. Interact in real-time and make your fantasies come true.
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More sea urchins - forever in love with the fragility of their bodies beneath the spines.
(04.2025)
Buscando erizos de mar en pozas intermareales por la península de Cavancha, Iquique.
Sand dollars, the currency of the Sea
Yet another simple creature that can be found shifting through the sands. Again, watch where you step.
Unidentified, Superorder Luminacea
15/06/22