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 are many things to consider before you get a pet saltwater fish. Fish tank. Also called marine aquariums, saltwater fish tanks take more care than freshwater tanks because they are considered an ...

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 ...