It's not what you do, it's how readily you do it. Rapid evolutionary change might have more to do with how easily a key ...

To mimic the empty snail shells that these cichlids normally co-opt as nests, the researchers 3D-printed artificial shells and tracked the interactions of developing cichlids and their mothers ...

Nature is fascinating and here’s proof of it. These 10 animals defy norms by giving birth through their mouths ...

By studying a highly social, very hierarchical fish species, cichlids, scientists have now found that social stress raises oxidative stress in the brains of low-status fish. "We found that low ...

Eight fascinating animal species, such as Darwin's frog and mouthbrooding cichlids, exhibit unique reproductive strategies where males carry fertilized eggs in their mouths until they hatch.