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.

Saltwater fish tanks have a reputation for being complex and too challenging for beginners. However, the reality is that it’s much easier these days. Owners can also make life easier for themselves by ...

Sea urchins have mixed reviews in the saltwater aquarium scene. Some people love them because they are fascinating to watch and make outstanding algae eaters. Others find them difficult to care for ...