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 ...

It’s not what you do, it’s how readily you do it. Rapid evolutionary change might have more to do with how easily a key innovation can be gained or lost rather than with the innovation itself, ...

Among the fishes, there are a few options for teeth: Some fish sport "simple" conical teeth, while others sport "complex" cusped teeth. These differences allow them to survive in distinct habitats and ...

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 ...

Nature is fascinating and here’s proof of it. These 10 animals defy norms by giving birth through their mouths ...

Ahmedabad’s Sundarvan Nature Discovery Centre and Mini Zoo has inaugurated a new aquarium, offering visitors a glimpse into the fascinating world of native and ...

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 ...

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 ...