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Crown-of-Thorns Starfish

Crown-of-Thorns Starfish
Crown-of-thorns starfish feed on coral and can sometimes cause damage to reefs. They belong to a class of animals called echinoderms, which typically have a mouth surrounded by arms equipped with tiny tubes that the animal uses to cling and crawl.
Ron Sefton/Bruce Coleman, Inc.
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Echinoderm
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