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 ...

Cichlids are a striking type of freshwater fish with over 500 species. They're usually found in warmer regions and in various bodies of water, including ponds, rivers, lakes, and streams. Most species ...

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 ...

The 32.5-gallon aquarium just got a major upgrade with some truly stunning cichlids. Their bold colors and lively personalities completely transform the tank. From the moment they hit the water, the ...

Africa's Lake Victoria is home to one of evolution's greatest experiments. In its waters, what began as a single lineage belonging to the cichlid family of fishes has since given rise to a dazzling ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...