Drum fish are given their unique name not because they have drums in their bodies, but because they let out croaker sounds ...

In a river of southeastern China, a group of “shiny” creatures with “large” eyes swam through “murky” waters. Something about the animals caught the attention of visiting scientists — and for good ...

The teeth sit outside of the mouth, interlocking, with two large lower fangs that curl upward reaching past the fish’s eyes. Because its jaw can unhinge, the viperfish can eat large prey for its ...

A team of scientists discovered a new species of shark preserved in the walls of Mammoth Cave, an underwater cave system ...

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 ...

A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved from the piercing “body armor” of extinct fish ...

This species is just one of dozens found inside the Mammoth Cave. The NPS said that "at least 70 species of ancient fish" have been identified in the 350-million-year-old cave system.

The ancient shark species, known as Macadens olsoni, “is notable for its unique tooth whorl, a curved row of teeth designed ...

Scientists found freckled fish with vivid eyes, “canine-like” teeth on sponges and discovered a new species: sponge frillgoby, a study said.

Meet the Neobythites superocellatus, or "large eyespotted cusk-eel," a new species of fish discovered in the Pacific Ocean. Uiblein and Nielsen Its third eye is blind. Scientists discovered a five ...

While the teeth of other fossil dolphins interlocked to trap fish inside, Nihohae’s splayed-out teeth would not have been useful for that task. They were also nearly flat, so Nihohae would have ...

Peoples spent two years examining the teeth of over 30,000 species of fish, including 1,000 species of African cichlids. He used the data to reconstruct when and how often complex teeth evolved ...