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Colonial radiolarians (large groups of single celled animals).

Colonial radiolarians (large groups of single celled animals).
Colonial radiolarians (large groups of single celled animals).
Colonial radiolarians (large groups of single celled animals).
Colonial radiolarians (large groups of single celled animals).
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330566
Madin, Laurence
Colonial radiolarians (large groups of single celled animals).
Still Image
04/21/2006
media-CMARZ cruise-colonial radiolarians.jpg
Image of The Day caption:
Looking like bubbles or smoke rings, these half-inch chains, loops, and spheres are actually common planktonic animals called colonial radiolarians. Each soft shape is hundreds of single-celled animals embedded in a jelly-like substance. Drifting in the ocean's surface waters, they can photosynthesize but are also predators on other small plankton. These were collected by Laurence Madin of the Biology Department on a 2006 cruise to explore the deep Sargasso Sea. The cruise aboard the NOAA vessel R/V Ronald H. Brown brought together plankton specialists from nine countries as part of the Census of Marine Zoolankton project, a large-scale effort to collect, identify, and make species-identifying DNA "barcodes" for all the world's ocean's animal plankton, including newly-discovered species.
Caption from Oceanus magazine, Vol. 45, No. 2, Pg. 8-9:
Among the small animals found on a tropical Atlantic cruise in April were (left to right) a transparent comb jelly, a reddish deep-sea squid, a jellyfish, and speckled globular colonies of single cells.
Photo by Larry Madin
© Woods Hole Oceanographic Institution
http://www.cmarz.org
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