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Top: kouwòn-nan-pikan zetwal lanmè sou koray. Photo © Wolcott Henry 2005 / Marine Photobank; Anba: Lerison lanmè Lerison (Diadema setosum), Kenya. Photo © Tim McClanahan
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Top: Crown-of-thorns starfish on coral. Photo © Wolcott Henry 2005/Marine Photobank; Bottom: Longspine sea urchin (Diadema setosum), Kenya. Photo © Tim McClanahan