Live Rock for Saltwater Aquariums

What is Live Rock? Technically-speaking, live rock is any porous rock colonized with life after exposure to a biologically rich environment. The biologically rich environment...

Saltwater Tank Biological Filtration

Marine tanks generally utilize three types of filtration--mechanical, chemical and biological. This article covers the basics of biological filtration. Most marine aquarists rely on a...

Warty Frogfish: Most Unusual Saltwater Fish?

The Warty Frogfish Makes an Interesting Fish for the Marine Aquarium. While not for everyone, this is a fascinating marine fish appropriate for the...

Keeping Anthias in the Tropical Marine Aquarium

Considered difficult-to-keep, anthias are some of the most beautiful fishes available to the marine aquarist. Understanding their needs makes it possible to have success. Anthias...

The Japanese Spotted Anthias (Odontanthias borbonius)

While not inexpensive, this small deepwater anthias species is one of the most beautiful fishes the marine aquarist can keep with relative ease in...