There are concerned, overprotective parents, and then there are cichlid fish. After a male cichlid fertilizes the female’s eggs, she holds her entire brood of embryos inside her mouth for two weeks ...

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 ...

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 ...

In the April issue of Scientific American, I present recent insights into the extraordinary evolution of cichlid fish. Although many factors have probably contributed to the stunning success of this ...

Two discrete cichlid fishes endemic to Cuatro Ciénegas, Mexico differ significantly in several morphological characters associated with feeding specializations. Conventional taxonomic treatment would ...

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 ...

Most fish rely primarily on their vision to find prey to feed upon, but a University of Rhode Island biologist and her colleagues have demonstrated that a group of African cichlids feeds by using its ...

What is important when you choose a home? Space, security, light – or a combination of these? Like humans, animals make choices about where to live that have important implications for their ...

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 ...