A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

A fish-eat-fish world Male cichlids have a strict, highly visible social hierarchy. Dominant males, which have higher levels of androgen hormones, are larger, more aggressive, and more colorful ...

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

A distant star-killing supernova could have bombarded Earth with radiation strong enough to shift the course of evolution.

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 ...

Lake Tanganyika, a shining jewel nestled in the heart of Africa, stands as a testament to the delicate balance of nature. Its ...

Evidence shows that the evolutionary success of these fish was fuelled not necessarily ... African Cichlidae, also known as cichlids, the most diverse and textbook example of species ...

The Texas Parks and Wildlife Department's Inland Fisheries Division has stocked nearly 27 million fish, comprising 17 ...

Wainwright's lab studies the evolution and diversity of fish. The cichlid fishes of Africa's great lakes are a particularly large and diverse group, adapted to a wide variety of habitats and food ...