The human hand is the product of hundreds of millions of years of evolution, beginning with lobe-finned fish in the Devonian period. Early species like Tiktaalik developed limb-like fins capable of ...

The popular nursery rhyme This Little Piggy is an early childhood memory for many of us. It’s a poem that involves five little piggies, each corresponding to one of our fingers or toes. Kids love it, ...

The blind side of a Remo flounder's head as it was being dissected Paulo Presti When ichthyologist Paulo Presti, a graduate student at the University of São Paulo in Brazil, found a jar containing a ...

A visualization of Tiktaalik roseae, an extinct aquatic animal with fossils that shed light on the evolution of land animals from marine animals millions of years ago. Nobu Tamura via Wikimedia ...

Around 380 million years ago, in the shallow seas of the Devonian Period, this fish was swimming around minding its own business. Little did it know that part of its genetic code would one day help ...

About 360 million years ago, our fishy ancestors moved from water to land. Along the way, their fins turned into feet, with toes. And hundreds of millions of years later, the front pair evolved into ...

Behold the frogfish. This bizarre creature really is a fish, despite its bullfrog face, pectoral fins that look like webbed feet, and a froglike mouth that snaps up unsuspecting prey. But the way it ...

Researchers have uncovered in anglerfish a specialized motor neuron population for the first dorsal fin used for 'fishing'. When the first dorsal fin evolved from a swimming and buoyancy aid to a ...