David Fleetham / Sea urchin crab (Echinoecus pentagonus), female inside Common banded urchin (Echinothrix calamaris) rectum. Hawaii.
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David Fleetham / Female Sea urchin crab (Echinoecus pentagonus) living in the rectum of the Common banded urchin, (Echinothrix calamaris), Hawaii, Pacific Ocean.
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David Fleetham / A female Sea urchin crab (Echinoecus pentagonus) on the underside of a Panamic starfish (Pentaceraster cumingi), Hawaii.