Drum fish are given their unique name not because they have drums in their bodies but because they let out croaker sounds produced by their swim bladders. There are around 275 species of drum fish, ...

A new fish species has emerged, but it does not hail from the realm of Mordor as its name suggests. The relationship between pacus and piranhas has been closely studied by researchers and while the ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them? Previously, small animals often had to be euthanized to obtain precise information, ...

For certain fishes, evolution is easy. After tracking the evolution of teeth in cichlid fishes from Africa, a team of ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers on an expedition to the western Pacific Ocean near Japan and the Philippines recently discovered a brightly-colored ...

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 ...

Our modern teeth evolved from a most unexpected source. A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth. Our teeth evolved ...

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 ...