It’s a nice gesture to tidy up your home before a date comes over, but the male cichlid takes this move to a whole new level, building potential mates an elaborate sand structure in an effort to woo ...

Cichlid fishes exhibit differing degrees of curiosity. The cause for this lies in their genes, as reported by researchers. This trait influences the cichlids' ability to adapt to new habitats. The ...

Behavioral laterality, or left- or right-handedness, has been reported in many animals, including humans, chimpanzees, toads, rats, mice, and invertebrates such as crustaceans and insects. Now ...

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 ...

Call it instinct, but something compels some animals to behave in certain ways, perhaps programs in their genes. Researchers have directly connected activities of genes with instinctive behavior in ...

Mouthbrooding fish under stress may sometimes resort to cannibalism and eat their young. Scientists' discovery of the behavior was "a complete accident." When you purchase through links on our site, ...

Africa's Lake Victoria is home to one of evolution's greatest experiments. In its waters, what began as a single lineage belonging to the cichlid family of fishes has since given rise to a dazzling ...