The Southeastern Michigan Aquarium Society held an auction Saturday, where hobbyists spent hours bidding on colorful fish to ...

A fish-eat-fish world Male cichlids have a strict, highly visible social hierarchy. Dominant males, which have higher levels of androgen hormones, are larger, more aggressive, and more colorful ...

A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

and marbled cichlids. Oscars are popular in aquariums and require very large tank setups with similar water conditions to their natural habitat. Although Oscars are usually housed alone ...

Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest transformations.

Do not keep these fish with smaller ones to keep them from being eaten. Convict Cichlid. The Convict Cichlid comes in various colors like pink, black, and zebra. They are 6 inches long but are ...

The cichlid fish of Africa's Great Lakes have formed new species more rapidly than any other group of vertebrates. A new study shows that the ease with which these fish can develop a biological ...

That sort of defines me.” All of George’s fish are endangered Rift Lake cichlids: colorful, freshwater fish native to the Great Lakes of East Africa. Inside his 42 tanks, expertly squeezed ...