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Description
Pacific Ring of Fire Expedition. Small crabs (~10 cm) are actively roaming theventing area. This species was first discovered on a seamount at the north endof the Mariana Arc by Japanese biologists. Its name is Austinograea yunohana;yunohana, meaning flower of sulphur (upper right inset).The vent shrimp (~3cm) are probably feeding on bacterial mat coating the rocks (lower right inset).