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Kiwa puravida

Kiwa puravida is a species of deep-sea dwelling decapod, a member of the genus Kiwa, a genus of animals sometimes informally known as "yeti crabs".

The crabs live at deep-sea cold seeps where they feed on symbiotic proteobacteria, which they cultivate on hair-like projections on their claws. The bacteria metabolise hydrogen sulfide and methane produced by the seeps, and are harvested by the animals' comb-like mouthparts.Among the other deep-sea animals that make use of such symbionts this species is unique in that it actively waves its appendages over the vents in order to provide the bacteria with more oxygen and nutrients

Kiwa puravida was discovered living on the 1,000-metre (3,300 ft) deep sea bottom off the coast of Costa Rica in 2006 by Andrew Thurber, William J. Jones and Kareen Schnabel. The only other member of its family, Kiwa hirsuta, is a crab with similarly hairy claws and which was discovered in 2005 near Easter Island.The specific epithet puravida comes from the Costa Rican saying "pure life", a homage to where it was discovered.


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