Escaped ornamental aquarium fish have integrated into a local ecosystem in the Philippines, where scientists say they may be threatening biodiversity. Flowerhorn cichlids – huma ...

Some animal parents go to extraordinary lengths to shield their young from predators, disease, and dangerous currents.

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 ...

Cichlids are critically endangered and Bristol Zoo Project believe they may have the only recorded individual worldwide. | ...

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 ...

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

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 ...

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 ...

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 ...