To study evolution, scientists raise fish to walk on land

To study evolution, scientists raise fish to walk on land

By Charles Choi

Source: csmonitor

8/28/2014

An unusual species of fish that can walk and breathe air shows that these animals may be more capable of adapting to life on land than previously thought, researchers say.

The new findings may help explain how the ancient fish ancestors of humans colonized the land, the researchers said.

The evolution of the ancient fish that switched from living in water to living on land about 400 million years ago is one of the most pivotal moments in the history of the animal kingdom. These first four-limbed animals, the so-called stem tetrapods, ultimately gave rise to amphibians, reptiles, birds and mammals, including the largest animals to ever live on the planet.

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