Yeti crab is bacteria farmer  DEC 02 2011

A recently discovered species of crab grows gardens of bacteria on its claws on which to feed.

The bristles that cover the crab's claws and body are coated in gardens of symbiotic bacteria, which derive energy from the inorganic gases of the seeps. The crab eats the bacteria, using comb-like mouthparts to harvest them from its bristles. [...] Thurber thinks that K. puravida waves its claws to actively farm its bacterial gardens: movements stir up the water around the bacteria, ensuring that fresh supplies of oxygen and sulphide wash over them and helping them to grow. "This 'dance' is extraordinary and comical," says Van Dover. "We've never seen this strategy before."

(via @noahwg)

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