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 ...

Raising babies can be exhausting—so much so that some mouthbrooding mothers snack on their young, according to a new study. A central African cichlid fish, Astatotilapia burtoni—commonly called Burton ...

In the world of freshwater fish, procreation is pretty much the same across nearly all species. After spawning, Mom and Dad either die or swim off, leaving the young to hatch and fend for themselves.