UW News

This common fish has an uncommon feature: Forehead teeth, used for mating

New findings call into question one of the core assumptions about teeth. Adult male spotted ratfish, a shark-like species native to the eastern Pacific Ocean, have rows of teeth on top of their heads, lining a cartilaginous appendage called the tenaculum, in addition to those in their jaws. They used their tenaculum teeth to grip females while mating in water.

How oxygen made the deep ocean home to animals, spurring rapid evolution

Ocean warming puts vital marine microbe at risk

Deep beneath the French Alps, dark matter hunters narrow their search