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

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

All of George’s fish are endangered Rift Lake cichlids: colorful ... the entire range of a species is often as small as a football field. When it’s gone, it’s gone. Other reintroductions ...

Sharks are becoming a popular feature in home aquariums, but there’s a clear distinction between freshwater and saltwater ...

Cichlids are a diverse family of fish found ... they are capable of fending for themselves. Cardinalfish are small, nocturnal fish commonly found in shallow tropical and subtropical waters.

Evolving roughly 27 different times in the long history of fish, bioluminescence—the biological production of light—is one of ...

In a pond off the beaten path in Grand Rapids, hundreds of dead fish — carp, bluegill and bass — are piled up against a ...

Wainwright's lab studies the evolution and diversity of fish. The cichlid fishes of Africa's great lakes are a particularly large and diverse group, adapted to a wide variety of habitats and food ...

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 ...