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 ...

The female cichlid fish in Lake Malawi are generally drab and brown (top), making them inconspicuous to predators. Drs. Kocher and Roberts believe that the orange blotch color pattern (bottom) emerged ...

A new study that looked at gut length variation between cichlid fish species found that some of the genetic loci for the trait are sex-specific even though males and females of the same species have ...