Life
20 August 2020
By Jake Buehler
Noah Bressman
Walking catfish are sometimes literally fish out of water, but they can function quite well as a landlubber – and are now the first fish confirmed to be able to “smell” on land.
Native to Southeast Asia, walking catfish (Clarias batrachus) are not content to glide through a single body of water their whole lives. They can leave the water, breathing air and “walking” on their fins over land to nearby pools.
Similar amphibious fishes were assumed to use their vision …
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