(Phys.org) —In a major evolutionary discovery, Flinders University palaeontologist Professor John Long (pictured) has found evidence to show that four-legged animals first developed the ability to ...

A South African fish has given scientists a glimpse of exactly how our ancestors took their first steps on land. Researchers have struggled to understand how ancient fish used their bodies and fins in ...

Editor’s note: This story is part of a year-long series commemorating the 10-year anniversary of the Marine Biological Laboratory's affiliation with the University of Chicago. “Inelegant” is a ...

The polypterids (bichirs and ropefish) are extant basal actinopterygian (ray-finned) fishes that breathe air and share similarities with extant lobe-finned sarcopterygians (lungfishes and tetrapods) ...

Full limb regeneration is a property that seems to be restricted to urodele amphibians, Here we found that Polypterus, the most basal living ray-finned fish, regenerates its pectoral lobed fins with a ...

The 100-year-old mystery surrounding how four-legged animals developed the ability to breathe air has finally been solved. Scientists claim the ability was passed down by ancient Gogonasus - a group ...

There have been fish and fossils found with leg-like fins, but now scientists have raised such animals themselves. Three researchers raised a fish called Polypterus, also known as Bichir, to learn ...

Science marches on. Sometimes, it does so on fins. Research conducted at McGill University studied the effect of a lifetime of walking on a certain type of fish. Yes, fish.

In 2011, Jeff Graham, a popular and highly respected physiologist at Scripps Institution of Oceanography at UC San Diego, submitted a paper to a major scientific journal describing the peculiar ...