Growing tropical fish as a pet

Human beings have always loved to be with animals and as a result of it, the culture of growing pets has been going on. There many types of animals that are being used as a pet by people. The most popular pet among people is the dog because they are very good and faithful to the owner. But in the apartments and houses in a small congested place bring up a dog will have its own difficulties and maintaining a dog is very difficult too. One can always look for alternatives and the best alternative that would suggest is a tropical fish. There are various advantages involved by using fishes as pet.