The newly discovered fish fossil fills a key gap in our understanding of the evolution of vertebrate diversity.

A research team led by Profs. Zhu Min, Lu Jing, and Zhu You'an from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences published two back-to-back ...

In this video, we target exotic colorful parrot fish to add to a saltwater pond. Graham blocks Trump-backed spending plan, calls it a 'bad deal' as shutdown nears Macaulay Culkin shares heartbreaking ...

Vermont officials are asking hunters to submit incisor teeth from deer killed during rifle season. Biologists analyze the teeth to determine a deer's age, health and other population data. This data ...

The Viperfish’s Teeth Are Larger Than Its Mouth These formidable teeth cause the viperfish’s lower jaw to protrude forward. The teeth sit outside of the mouth, interlocking, with two large lower fangs ...

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

To say spotted ratfish are unusual is an understatement. Related to sharks, they abound in the inky dark depths of the Puget Sound. Armed with a venomous fin, they swim gracefully along the sea floor ...

A juvenile spotted ratfish. These deep-sea fish are named for their long, rat-like tails. Gareth J. Fraser, University of Florida Deep in the ocean, you can find a strange fish with teeth not just in ...

Researchers studied the male spotted ratfish's tooth-covered forehead appendage, which flares out to ward off rivals and grip onto females. Reading time 3 minutes Spotted ratfish are scaleless, rabbit ...

Scientists studied how the sea creatures, also known as chimaeras or ghost sharks, ended up with one of evolution’s most bizarre appendages. By Jack Tamisiea Life in the ocean’s dark depths can be ...

Add Yahoo as a preferred source to see more of our stories on Google. The researchers identified teeth on the tenaculum of ancient relatives to the modern adult male spotted ratfish. This fossil ...