The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. The spotted ratfish ...

A ghostly, mutant ratfish caught in Washington state's Puget Sound is the only completely albino fish ever seen by both the curator of the University of Washington's 7.2 million-specimen fish ...

ASK A NORTHWESTERNER to pick the creature that epitomizes Puget Sound, and odds are the answer will be orcas or salmon. Ask Washington Department of Fish and Wildlife biologist Wayne Palsson, and ...

Teeth and the evolution of teeth have long fascinated researchers in all manner of species. Questions arise, such as why they evolved, why they were lost, and even in some cases, why they evolved ...

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 ...

Jon Reum was sick of ratfish. The University of Washington doctoral student had spent five straight days hauling up nets loaded with the slimy bottom dwellers as part of a marine survey in Puget Sound ...

A prehistoric ratfish with buzzsaw-like teeth on its lower jaw puzzled scientists. But new research sheds light on how the creature caught and ate its prey. The prehistoric ratfish was a shark-like ...

The ratfish has a face only a mother could love. Out of respect, we won't catalog his many oddities here, but let's just say his eyes bulge, his face is chubby, and his long tail looks like that of a ...

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 ...

Of all the vexing fossil mysteries that have confounded paleontologists, few have been as persistent as that of Helicoprion – the name given to petrified whorls of elongate teeth that look like 270 ...

A ghostly, mutant ratfish caught off Whidbey Island in Washington state is the only completely albino fish ever seen by both the curator of the University of Washington's 7.2 million-specimen fish ...