Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...
A new study shows that the ease with which these fish can develop a biological innovation (complex teeth), not just the innovation itself, enables this rapid evolution. (Photo of Nimbochromis ...
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 ...
Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...
The Chipmunk Shark was believed to have swam along the ocean floor that is said to have covered much of central Kentucky ...