Bring Home an Exotic Freshwater Fish Pet Aquarium and fish, they say, are the best additions to the household that can contribute to having a serene and calm atmosphere. This consideration makes owning a fish a good decision. Sometimes though, it is better to get something more than a goldfish. Sometimes, it pays to get exotic fish as pets, better yet, make it exotic freshwater fish. Exotic Freshwater Fish Pet Easily Have The Perfect Betta Tank Exotic fish refer to the water creatures that aren't found in the locality or country. These come from other countries of various locations, typically from Africa, Asia or South America. They can enter the locality either through legal or illegal means. Freshwater on the other hand means that the exotic fish is not taken from the saltwater or the sea. It is easier to maintain a freshwater fish as saltwater is more difficult to access and maintain. Here are some other things to consider: