Freshwater vs saltwater aquarium? If you’re thinking of getting an aquarium, this is one of the first decisions you’ll need ...

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.

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 ...