Neat polynoid riding a big drifting red holothurian with a pale sail, 4485m SuBastian Dive 347, Cape Range Canyon, Oz It got away when the holo was collected.

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Today in marine invertebrates. Sluiter, Holothurian der Siboga-Expedition (1901) https://t.co/zx7Qmxqcvn

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This spectacular purple pelagic holothurian is poetry in motion, Baker Island in the Pacific Ocean, depth ~450 m

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Beautiful deep sea holothurian, Polo Seamount, Phoenix Islands Protected Area in Pacific Ocean, depth ~2 km

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