Starfish / Urchin : Short Spine Sea Urchin
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Purple sea urchin (Sphaerechinus granularis), on reef. Sometimes the short spines are purple, Stock Photo, Picture And Rights Managed Image. Pic. UIG-961-24-KGH00230 | agefotostock
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Echinometra sp. red/purple/white - Short Spine Urchin
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Aquarium Sea Urchins: Sea Urchin Species for Marine Aquariums
