This menacing predator uses its long teeth, which overlap and interlock externally, as a cage to keep small prey trapped inside its mouth. The video above, filmed by the Monterey Bay Aquarium Research ...

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, ...

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 ...

Anglers in Pakistan caught several predators with teeth on their tongues later identified by scientists as two new species, a study said. Photo shared by Sher Khan Panhwar Anglers off the coast of ...

PORTLAND, Maine (AP) — Sharks are the most feared predators in the sea, and their survival hinges on fearsome teeth that regrow throughout their lives. But changes in the ocean’s chemistry could put ...

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 depths of the ocean where sunlight can’t reach? That would be ...