They came to south Florida in a quiet, undetermined way, and are making a name for themselves. They are short and stocky and full of fight. When they strike, they hit hard. These hardy fish, ...

You’re considering new fish for your home aquarium, but all you see in your local pet store are the usual guppies, tetras, and small cichlids. You want a more unusual fish that stands out from the ...

For a variety of reasons, many humans choose to adopt children. More surprisingly, adoption is fairly widespread in the animal kingdom, even though it would seem to counteract the basic premise of ...

Biologists have discovered that the cichlid fish can see in the near infrared range; this was thought to be unlikely until now. Seeing in the infrared range is apparently helping fish to hunt in ...

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 ...

LONDON (Reuters) - Some colorful cichlid fish in Africa's Lake Victoria formed a new species by adapting their vision, showing that geographical isolation is not essential for divergence, researchers ...

A cichlid fish swims in Lake Tanganyika. New research has shown new cichlid species coming to be in a much smaller crater lake in Tanzania. Flip Nicklin/Minden Pictures/Corbis The large lakes of East ...

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 ...

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 ...