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Feeding time at the aquarium, Nautilus belauensis
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索餌するオオベソオウムガイ
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Parasitic crustacean, Dendrogaster tobasuii found on the starfish, Mediaster brachiatus. from Kumanonada-sea, Japan. Depth of 300m. #Crustmas
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The mouth of the seaurchin, Asthenosoma ijimai