Beneath the Waves Lies a Colorful Secret Coral Reef Fish Beneath the blue surface of the oceans in the tropics, ...

Into the Abyss Deep-Sea Fish Far down beneath the bright face of the ocean is another world as alien as the face of the world. A world of darkness, crushing pressure, and cold so bitter it solidifies into ice, the deep-sea ...

A Crucial Step Most Aquarists Skip Quarantine New Fish. The temptation to plop them straight into your show tank is ...

A Hobby Full of Life—But Also Pitfalls Fishkeepers Make Fishkeeping is a hobby that’s deceptively easy-looking on the surface—acquire a ...

Fish die. It happens to nearly every fishkeeper eventually. You wake up, look at your tank, and something’s amiss — ...

Freshwater Showstoppers Discus Fish (Symphysodon) Exotic Fish Originating from the Amazon River Basin, discus fish are commonly called the “kings” ...

Fish Fight. It’s a photo of tranquillity—until, bam. One fish attacks another. Fins flare, tails lash, and that calm tank ...