Paradise fish (aka paradise gourami) are a beautiful freshwater fish that many aquarists are interested in. Their unique colorful look makes them one of our favorites when it comes to aesthetics. You’ll find yourself staring at them for quite a while if you get some for yourself. With that being said, there are some things you’ll need to consider when it comes to owning a paradise fish. While these fish are hardy and fairly easy to keep healthy, their aggression adds an element of difficulty to the equation.