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Blue Coral Crab

Trapezia cymodoce


Blue-grey shell with pair, or line, of obvious small orange-red spots just above middle. Claws covered with fine pile of short hair. To 20 mm across.


Common coral commensal species; hides in branches of Pocillopora and Acropora coral. Northern Australia; Indo-West Pacific.

Blue Coral Crab (Trapezia cymodoce)

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