Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

Near an island in the South Pacific Ocean, a bright red sea creature with “canine-like” teeth swam around the coral reef.

During their surveys, the team found several unfamiliar-looking brown eels, the study said. They took a closer look at the ...

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 ...

Complex teeth with multiple cusps in an African cichlid fish. 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 ...

All kinds of animals are present on this Earth. Most animals have ravenous teeth that are used to hunt other animals. Here ...

Fish, including cichlids, have either "simple" teeth, basically cone-shaped pegs, or "complex" teeth with multiple cusps that can adapt to feed on different prey.

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 ...