Repeated evolution: A fish living on land is NOT an extraordinary thing but a common phenomenon

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Fish have evolved the ability to live on land many times, challenging the perception that this extreme lifestyle shift was likely to have been a rare occurrence in ancient times. New research shows 33 different families of fish have at least one species that demonstrates some terrestrial activity and, in many cases, these behaviors are likely to have evolved independently in the different families.

A fish out of water might seem an extraordinary thing, but in fact it is quite a common phenomenon,” says study first author and UNSW evolutionary ecologist Dr Terry Ord

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