Living sea urchin, Psammechinus miliaris, from a tide pool on Worms Head Causeway, Gower, South Wales, close-up photograph of the spines. P1320368aBlog5
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Living sea urchin, Psammechinus miliaris, from a tide pool on Worms Head Causeway, Gower, South Wales, close-up photograph of the spines. P1320368aBlog5