They range in size from a large coin to several feet in length and can completely dominate smaller waterways and segments of ...

Angel Fitor is this year’s winner for his masterful underwater images of cichlid fishes in East Africa. Two male cichlid fish fight jaw to jaw over a snail shell. Inside the half-buried shell is a ...

During the years since, studies of all sorts -- from chimpanzees to cichlid fish to mongooses -- have found evidence supporting this view, but a crucial question has remained unanswered ...

The species known as a non-native hybrid peacock cichlid was caught Friday in the South Fork San Gabriel River. Officials ...

Though some might be surprised to find such big fish near a road, it's not uncommon to see wildlife of all sorts turning up ...

Jewel cichlids are equally as aggressive and territorial as Oscars, and they prefer to prey on smaller fish that they can fit ...

Over 1,800 species of cichlid fish live in Africa’s Rift Valleys lakes. In this crowded world, many cichlid species use ‘mouth-brooding’ to both incubate their eggs, and protect their young.

By choosing the right food, you can do a lot for your own health – and also contribute to more or less environmentally friendly consumption. This ...

The lakes and rivers of Africa's Great Rift Valley contain some 2,000 species of cichlid fish that have evolved from a few ancestors, some in an instant of geologic time. For example, Lake ...

The "fastest evolving vertebrate" title is hotly contested, but here are a few contenders.

We might not always want to think too hard about it but can be strange to imagine that our fish (or maybe just their ...

Most of our work focuses on fish reproduction and parental care, though we are interested in all aspects of evolutionary ecology. The lab logo illustrates Tomocichla tuba, a fascinating cichlid fish ...