Here are ten exotic fish that will make your aquarium ... make it a delightful addition to any aquarium. The Harlequin Rasbora is a small freshwater fish with a distinctive black triangular ...

Freshwater aquariums are typically home to fish like tetras, guppies, and cichlids, while saltwater aquariums are home to more exotic species like clownfish, tangs, and angelfish. While both ...