For generations, Lake Victoria supported one of the world’s richest freshwater ecosystems. Beneath its surface lived hundreds ...

There are concerned, overprotective parents, and then there are cichlid fish. After a male cichlid fertilizes the female’s eggs, she holds her entire brood of embryos inside her mouth for two weeks ...

(Phys.org) —Researchers from Oxford University in the U.K. have found evidence that suggests that cichlid fish evolved after the ancient Gondwana continent drifted apart, rather than before, as some ...

African cichlid fish evolved in calm, clearwater lakes saturated with sunlight, and are known for their incredible visual system, which relies on a diverse array of visual pigment proteins called ...

No less than 500 new species of cichlids, brightly coloured perch-like fish, evolved in Lake Victoria (East Africa) over the past 15,000 years -- a record in the animal and plant world. This ...

Cannibalism, the eating of conspecifics, has a rational background in the animal kingdom. It may serve as a source of energy-rich nutrition or to increase reproductive success. Some species do not ...

Social stress is bad for your brain. It's a prime suspect in the accumulation of oxidative stress in the brain, which is believed to contribute to mental health and neurodegenerative disorders—but the ...

A fish once prized by aquarium enthusiasts has quietly become one of the biggest ecological threats to Sampaloc Lake, according to a new study by scientists from Ateneo de Manila University. The ...

Raising babies can be exhausting—so much so that some mouthbrooding mothers snack on their young, according to a new study. A central African cichlid fish, Astatotilapia burtoni—commonly called Burton ...

In social fish like cichlids, status is everything. High-status males are territorial and colorful – they defend territories and reproduce with females. Low-status males, which are less colorful and ...