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krill
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
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krill

crustacean
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Also known as: Euphausiacea, euphausiid
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krill, any member of the crustacean order Euphausiacea or of the genus Euphausia within that suborder. Euphausiids are shrimplike marine animals that are pelagic in habit (i.e., they live in the open sea). They differ from true shrimp (order Decapoda) in that their gills are located on the swimming legs, and fewer legs are modified for feeding. They range in size from 8 to 60 mm (about 1/4 to 2 inches). Eighty-two species have been described. Most have bioluminescent organs (photophores) on the lower side, making them visible at night. They are of great importance in certain regions of the ...(100 of 417 words)

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