Saturday, 17 February 2018

High tides accelerated evolution

Stranded Fish Evolved into Land-Walking Animals

This article discusses whether huge tidal ranges 400 million years BP led to fish being stranded in tidal pools for long periods. The need to get back to the sea could have kick started the evolution of walking vertebrates.

Ancient tides likely played a role in the evolution of land-walking vertebrates such as the lobe-finned fish Tiktaalik (pictured).Corbin17/Alamy

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