If your aquarium feels a little blah, maybe it’s missing some bold personalities. We’re talking fins that flash like neon signs and colors that could outshine a fashion runway.

Do you think that a saltwater tank is vital for keeping stunning, exotic fish? Reevaluate that idea. Freshwater aquariums are ...

There are fish in every shade imaginable ... often amongst coral reefs and mangroves. This crimson and electric blue seahorse is particularly beautiful and like others in its family, doesn ...

An underwater investigation of coral ... sea. Reefs occupy just 1% of the world’s marine environment, but they provide a home to a quarter of marine species—including a unique set of fish ...

The accounting includes 536 types of coral (more than half the world’s species) and about 900 species of reef fish. Marvels small (the pygmy seahorse, so tiny it can fit on a pinkie fingernail ...