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 ...

This is a preview. Log in through your library . Abstract This study investigates the role of female color, size, and dominance, and the influence of early color experience in mate selection by male ...

This photo provided by Osaka City University shows a male convict cichlid. OSAKA -- Researchers in Japan have found that the males of one monogamous species of fish have "compassion" for their mates.