Losing your baby teeth is a strange experience. The teeth gradually loosen until they're replaced by thicker, more durable ...

A new discovery by our team, published in the Swiss Journal of Palaeontology, shows the start of this process dates back more than 380 million years. The first evidence of teeth in any vertebrate ...

Scientists have named a new ichthyosaur, Eurhinosaurus mistelgauensis, from fossils found in Mistelgau, Germany. The marine reptile had a dramatic overbite similar to swordfish and unique skeletal ...

The sea lamprey looks like it’s from another planet, but this ancient creature has a surprising amount in common with humans ...

In the depths of the abyss, an evolutionary mystery has just been solved by biologists. The spotted ratfish, a deep-sea chimera, possesses a unique dental structure... on its forehead!

The same regulatory landscape which influences the development of fingers is present in fish, despite their distinct lack of ...

Cold-water streams have experienced disproportionate impacts, experiencing more than a 50% decrease in fish abundance over ...

The composition of fish populations in streams and rivers across the U.S. have been severely altered as a result of changing ...

Earlier this year, a separate study showed that rig sharks produce loud chirping sounds, marking the first recorded instance of the cartilaginous fishes making any noise. This article was originally ...

Sri Lanka urged people on Saturday to catch and cook invasive fish species, including the giant snakehead and piranhas, that ...

The fish that limbed vertebrates evolved from don't have obvious digit equivalents, and the most common types of fish just ...

How did digits evolve? While it is clear that they derive from genetic programs already present in fish, their precise origin ...