Scientists record ‘cloud’ of swarming crabs

By Around the Web

(London Guardian) Descending in a submersible in waters off Panama, scientists noticed something strange happening near the seafloor. It was a drifting fog of sediment, disturbed by something below. Diving deeper, the scientists found the cause: crabs, thousands of them, swarming in a way never before recorded.

“We just saw this cloud but had no idea what was causing it,” said Jesús Pineda, a biologist at Woods Hole Oceanographic Institution in Massachusetts and the lead author of a paper on the crabs published on Tuesday.

“At first, we thought they were biogenic rocks or structures. Once we saw them moving, swarming like insects, we couldn’t believe it.

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