A saltwater aquarium is an exotic and striking ... t put off all their enemies so they should only be kept with small, non-aggressive tank-mates. Also known as the yellow clown goby; the ...

Occellaris Clownfish Are Resilient and Non-Aggressive This clownfish variety is a hardy species and relatively docile. One ...

Bear in mind that a saltwater aquarium is more expensive and difficult to set up and maintain than freshwater even if you chose one of the best fish tanks. Some of the fish, too, can fetch eye ...