Fossil Shows Ancient School of Fish Swimming Together

Researchers discovered a fossil showing an ancient school of fish clustered together which suggests that this behavior of swimming together in groups may have developed at least 50 million years ago.

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The fossil captures a mass of 259 fish apparently swimming in the same direction. It’s unclear what killed the fish. But a suddenly collapsing sand dune, for example, could have buried them in place in a flash, knocking just a few askew in the process, the researchers suggest.

The paper was published in the Proceedings of the Royal Society B and could give scientists more insight on the evolution of such collective behavior.

-via Book of Joe

(Image credit: N. Mizumoto, S. Miyata and S.C. Pratt/Proceedings of the Royal Society B 2019)

Source: neatorama

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