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 ...

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 ...

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 ...

Indonesia is tackling a cow milk shortage by turning to the sea. 'Fish milk,' not actual milk but protein-rich fish roe, is being processed into a flavored drink for school lunch programs.