As biologists know, nature can take its sweet time explaining itself. Andrew Gillis, associate scientist at the Marine Biological Laboratory (MBL), has been investigating how the paired fins of fishes ...

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 ...

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 ...

While the sea robin has legs, it still doesn’t need a bicycle. By Sofia Quaglia The sea robin has fascinated scientists for decades. It has the body of a fish, the wings of a bird and the legs of a ...

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 ...

Biologists have found that one small change in a fish gene makes a significant difference in the size of its fins -- a rare textbook example of how abrupt evolutionary changes can occur. The ...

Swedish-English researcher finds overwhelming evidence that fingers on humans evolved from the same gene that is found to grow fins on the Australian lungfish. Such a discovery helps to add credence ...