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 ...

Shell-dwelling cichlids take intense care of their offspring, which they raise in abandoned snail shells. A team at the Max ...

Shell-dwelling cichlids are known for their remarkable parental care, raising their young in abandoned snail shells.

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 ...

Scientists found a “large”-mouthed river creature, sometimes kept as aquarium pet, in Zambia and discovered a new species, a study said. Photo from Adrian Indermaur In a river of southern Africa, a ...

In the Lufubu River in Zambia, a “large”-mouthed fish known as Salzburg’s cichlid was identified as a new species. This fish, ...

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.

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.

Shell-dwelling cichlids take intense care of their offspring, which they raise in abandoned snail shells. A team at the Max ...