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 ...

3D-printed shell halves allowed researchers to peek inside the cichlid's home and observe the behavior of the mother and her fry during brood care.

Cichlid fish, particularly those found in the East African Great Lakes, are known for their remarkable diversity and evolutionary adaptations. This diversity extends to their parasites ...

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.

Yala Samp faces mounting threats from land grabs, encroachment, and habitat destruction, placing its biodiversity at grave ...

Chromosomal inversions are an important class of genetic variation that link multiple alleles together into a single inherited block that can have important effects on fitness. To study the role of ...

A team in Herwig Baier's research department has studied this in cichlids. These fish are particularly interesting because, unlike many other fish species, they are very social and provide ...