Butterfly fish feeding on a coral reef. The ability to bite food off hard surfaces, such as coral, evolved about 50 million years ago and led to the rapid formation of new species of fish on coral ...

A study published in the Nature journal alters how the evolution of fish has been historically understood. Fossilized fish and other sea creatures have often been pivotal in new scientific discoveries ...

A fish thought to be evolution’s time capsule just surprised scientists. A detailed dissection of the coelacanth — a 400-million-year-old species often called a “living fossil” — revealed that key ...

The deep ocean remains largely unexplored, despite containing a large portion of the living organisms and animals on Earth.

A new species of coelacanth has been identified from a 150-year-old fossil housed at London's Natural History Museum. Former University of Portsmouth paleontology student Jack L. Norton located the ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...