Cultivating a saltwater fish tank is a bit like making a souffle — impressive if you pull it off, but delicate and easy to screw up. Still, it's easy to see why this hobby remains popular. At its best ...

Anyone looking to start with aquaristics must decide whether to go for a freshwater or saltwater aquarium–and which inhabitants should move in. PETBOOK explains the differences between the various ...

There’s a stereotype that keeping saltwater fish tanks is very difficult. Maybe this was true once. Now it’s much easier ...