Yeti Crabs Grow and Eat Food On Their Claws

by brian lam

An Alvin (The manned sub WHOI operates) diver, Gavin Eppard, observed Yeti Crab near a cold seep waving their arms back and forth. The crabs, which received a formal name of Kiwa puravida in PLoS article last week, are suspected of growing bacteria on their arms and nurturing them by waving their arms around to feed the alien life form. Here’s a video:

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The crabs have been seen feeding off the organic growth on their claws and they seem to continuously move their arms without tiring, indicating the cycle may be energy positive. The story of the discovery of the Yeti crab is documented well over at Monterey Bay Aquarium Research Institute’s website.


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