Fish gave us legs—and four other finny facts. Have you thanked a fish today? By Molly Glick. Published Feb 27, 2020 11:46 PM EST. A bioluminescent ponyfish with a light-generating organ in its ...

It’s a bird! It’s a crab! No, it’s a fish that can taste with its legs. Some sea robins, a group of fishes with two winglike fins and six crablike legs, use their legs to dig in sand and ...

Fish first adapted to life on land about 350 to 400 million years ago, when they evolved four legs to form the tetrapods, a group that includes amphibians, reptiles, birds and mammals.

Dragon fish have lungs and can scooch themselves across dry land. The experiment appeared to trigger changes in the fish that parallel changes that scientists see in the fossil record.

From fish to four legs. NOVA: What exactly is a tetrapod? Clack: A tetrapod is an animal with four legs—you, me—or an animal whose ancestors had four legs.

You’ve met the front of Tiktaalik roseae, the fish-like creature that fills an important gap between fish and four-legged, land-based animals. Now, the hindquarters of the 375-million-year-old ...

The closest known relative of the ancestors of limbed animals such as humans likely evolved the foundation for rear legs even before the move to land, researchers say. This ancestor may have even ...

Researchers say a 375 million-year-old fish shows signs of having evolved the foundations for rear legs and may have walked underwater. IE 11 is not supported. For an optimal experience visit our ...

This is a daunting question considering the fish-to-four-legs transition took place some 370 million years ago. For decades, the former proposition held sway: land first, then legs.