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 ...

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) ...

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 ...

This article originally appeared on The Conversation. A century-old mystery about how ancient freshwater fishes breathe has finally been put to rest, thanks to a study published last week in Nature ...