After weeks of flooding, the tiny creek finally returned to normal. A fish trap was placed beside the rocks where the fish usually hide. Hours later the trap was lifted from the water. Inside were ...

Cichlids are one of the largest and strangest groups of vertebrate fish — fish with backbones — on Earth. They’re popular as pets and farmed in aquaculture, and scientists have been studying them ...

Most fish rely primarily on their vision to find prey to feed upon, but biologists have demonstrated that a group of African cichlids feeds by using its lateral line sensory system to detect minute ...

In the depths of Lake Tanganyika in Africa, one of the oldest and most diverse freshwater ecosystems on the planet, lives a ...

Cichlid fish are seen sucking up sand and spitting it out in a pile to impress females and intimidate rivals with their 'sandcastles'. The mounds of sand, called bowers, are each subtly different in ...

Researchers have found that male African cichlids vocalize during courtship, and that females' sensitivity to these sounds increases when they are ready to mate. African cichlids enjoy an alien, ...