By studying a highly social, very hierarchical fish species, cichlids, scientists have now found that social stress raises oxidative stress in the brains of low-status fish. Male cichlids have a ...

Scuba divers visited several spots at Lake Malawi in 2016 to search for cichlid fish, George Turner wrote in a study published Dec. 10 in the peer-reviewed Journal of Fish Biology. The lake is ...

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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 ...

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Parrot cichlids are controversial fish. Matt Clarke takes an open-minded look at them and answers some of the most common questions. Parrot cichlids don't have a scientific name, as such, as they're ...