Not all creepy things go bump in the night -- some of them swim. While you might think of fish as harmless little dudes hanging out in your aquarium, there are some ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A CT scan of the tooth-like odontode structure from Astrapsis, an ancient jawless vertebrate fish shows that its tubules (shown in ...

At first glance, this looks like a clean catch along the shoreline. But this fish is known for something far more intense than its appearance suggests. With razor-sharp teeth and lightning-fast ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

A fish with large, human-like teeth was caught off the coast of North Carolina last week. It was a sheepshead fish brought in by Nathan Martin, and photos of it were posted to Facebook by Jeanette’s ...

PHOENIX — Susan Aavang has been fishing most of her life, but what she caught in a Phoenix lake last weekend still surprised her. She’d hooked a fish that had humanlike teeth, a fish not normally ...

Ever wondered why our teeth are so sensitive to pain or even just cold drinks? It might be because they first evolved for a very different purpose than chewing half a billion years ago, a study ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...

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 ...