Scientists discovered some of the oldest bony fish fossils in China. The fossils explain the early history of animals with backbones.

Reef fish in different oceans often develop similar color patterns because evolution explores the same set of biological possibilities.

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

The first McDonald's Filet-O-Fish was created by a Cincinnati franchisee to serve Catholic customers during Lent.

A newly discovered collection of 400-million-year-old bony fish fossils is rewriting the history of vertebrate evolution.

When a young tomato anemonefish (a cousin to the famous Nemo) arrives at a new home, it carries extra white stripes. These ...

Chinese paleontologists have discovered the world's oldest complete bony fish fossils, dating back 436 million years ...

New, miniscule fossils of the earliest-known relative of all primates, including humans, Purgatorius, have been unearthed in a more southern region of North America than ever before – and the ...

Fond du Lac's top stories in February included best fish fry, Caribou Coffee's closing, The Arc's new thrift store and more.

Researchers identified a new freshwater fish species in South Africa after years of genetic testing and analysis.

A team of researchers set out to find a tiny minnow everyone assumed was gone forever. They trekked to a remote river in eastern South Africa, cast their nets, and pulled up a dozen little fish that ...