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Jellyfish Atolla

Jellyfish Atolla
Jellyfish Atolla
Jellyfish Atolla
Jellyfish Atolla
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54908
Madin, Laurence P.
Jellyfish Atolla
Still Image
02/22/2006
graphics/dd_Lmadin-animals/DSC_0072.JPG
Dive and Discover, Expedition 10, Antarctica.
Image of The Day caption:
From the underside, the deep-sea jellyfish Atolla, which can be ten inches across, looks like a flower or a chandelier, not an animal. Atolla is abundant around the world at midwater depths (500-1000 meters) and at shallower depths in the cold Southern Ocean. When touched or disturbed, Atolla is indeed a chandelier: It produces bright, rapidly-flashing circles of blue bioluminescent light that scientists think may confuse would-be hunters. WHOI scientist Larry Madin, a specialist on gelatinous plankton, photographed this jellyfish on an expedition in Antarctic waters.
Photo by Larry Madin
© Woods Hole Oceanographic Institution
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