Until now, researchers thought Dunkleosteus was about 30 feet long (gray fish), but a new study finds it was likely no longer than 13 feet (black fish). (Image credit: Russel Engelman, Diversity ...

A fossil fish called Dunkleosteus was less svelte shark and more rotund tuna, ... “Don’t get me wrong, I love a chunky ‘Dunk,’” said Dr. Colleary, who was not involved in the new study.

A big fish story? Maybe so: The greatest sea monster of the Devonian Period (Dunkleosteus terrelli) may be getting downsized. A new article contents that the famous sea monster of the Age of ...

“And these new estimates make it possible to do so many types of analyses on Dunkleosteus that it was thought would never be possible. This is the bitter pill that has to be swallowed, so that ...

Scientists have found two specimens of a 444 million-year-old "inside-out" fossil with well-preserved soft tissue, according ...

An ancient, 1-metric-ton fish nearly as long as a school bus had a bite more powerful than nearly everything alive today, a new study reveals. The 10-meter-long Dunkleosteus terrelli cruised ...

A mass extinction of fish 360 million years ago hit the reset button on Earth's life, setting the stage for modern vertebrate biodiversity, a new study reports. The mass extinction scrambled the ...

Scientists say Dunkleosteus terrelli [image] might have been "the first king of the beasts." The prehistoric fish was 33 feet long and weighed up to four tons. It had bladed jaws, a flesh-tearing ...

Dunkleosteus terrelli may have been the world's first apex predator. The force of its bite was remarkably powerful: 11,000 pounds. The bladed dentition of this 400-million-year-old extinct fish ...