A saltwater aquarium can be a dramatic addition to any room. Filled with exotic (and expensive) fish, it’s visually appealing and a great conversation piece. But it isn’t exactly easy to care for.

There’s a stereotype that keeping saltwater fish tanks is very difficult. Maybe this was true once. Now it’s much easier because tank systems are more advanced. However, the initial set-up can be ...

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 ...