Many people like to have fish for pets because they are low maintenance, and can be very relaxing to watch them swim. Most first time fish enthusiast like to keep cold water fish, because they are cheap and most of the different types of these fish will get along together. These fish have some bright colors and have some very fancy fins, but they are mostly large goldfish, and eventually switch to tropical fish to get a larger selection of fish. But keeping tropical fish can be a bit of a gamble, the fish cost more and some of them are very aggressive and will eat your other fish.
There are more different types of tropical fish for you to choose from, and they have a larger variety of colors then cold water fish and keeping them in an aquarium together with other tropical fish does not have to be a gamble, it is not like a trip to the casino to play blackjack, if you do things right there is no gambling involved at all.
The first thing you need to do is some reading before purchasing any fish for your tank. Reading about fish will give you an idea of what species of fish eat other fish, and which ones do not. It will also let you know which meat eating fish will...