What has needle-like teeth so large they don’t fit inside its mouth, a huge gaping jaw that completely engulfs its prey, and lives in the ocean zone where sunlight can’t reach? That would be the ...

Gars are the ultimate living fossils, having changed at an incredibly slow pace since their ancestors emerged during the dinosaur age 150 million years ago, scientists have revealed. This leisurely ...

Found in most clear waters of the eastern half of the United States, the spotted gar can grow to about three feet long. It may weigh up to eight pounds and live as long as 15 years or more in the wild ...

University of Washington scientists have made a remarkable discovery: real teeth growing on the forehead of a deep-sea ratfish. This finding sheds light on the unique adaptations in fish anatomy, ...

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 ...

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure—and yes, pain—as we bite and chew ...

Surprisingly, that honour goes to a tiny, almost eel-like creature that lived long before either of those beasts, known as ...

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 ...