Peaceful tanks look great, but they’re not always the most exciting. Some fish bring a lot more drama, and for hobbyists who ...

The non-native, aggressive, convict cichlid Amatitlania nigrofasciata is often regarded as a cause for the decline of native Mexican mojarra Cichlasoma istlanum in Mexican rivers. Convict cichlids are ...

Female convict cichlid fish turned into pessimists when separated from partners. This is an Inside Science story. (Inside Science) -- Being stuck with an unwanted romantic partner is enough to put a ...

Research on fighting has emphasized contests between individuals, typically males, but pairs also compete. Monogamous pairs of convict cichlids (Archocentrus nigrofasciatum) compete with other pairs ...

Through a series of prosocial choice tasks, researchers reveal prosocial and antisocial characteristics in male convict cichlid fish. The fish distinguish between female breeding partners, unknown ...