Caring for children can be a tough job, particularly if you are a female cichlid fish, with research showing that male cichlid fish have a propensity to desert their mates, leaving them to then look ...

Researchers have found that chunks of "flipped" DNA can help fish quickly adapt to new habitats and evolve into new species, acting as evolutionary "superchargers." In the face of threats from other ...

Fish viewed digital models with unfamiliar fish faces longer and from a further distance than models with familiar faces, according to a new study. Fish viewed digital models with unfamiliar fish ...

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 ...

Fact checked by Emily EstepReviewed by Nick Saint-ErneFact checked by Emily EstepReviewed by Nick Saint-Erne The blood parrot cichlid is a hybrid aquarium fish species that has created notable ...

Scientists have uncovered evidence of fish mating with species different from their own—a process that can lead to the creation of several new species. For a study published in the journal Nature ...

Cichlids are one of the largest and strangest groups of vertebrate fish — fish with backbones — on Earth. They’re popular as pets and farmed in aquaculture, and scientists have been studying them ...

A Case Western Reserve University scientist has played the lead role in identifying an invasive species related to one already threatening other fish in the waters of the southern United States. That ...

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 ...

Researchers recorded lemon sharks (Negaprion brevirostris) preying on an invasive species, the jaguar cichlid (Parachromis ...