The three best fish tanks are bratz fish tank, aqua one fish tanks made by aqua on and jebo fish tanks, these are funtastic as salt water fish tanks, custom fish tanks and tropical fish tanks. The best fish to keep in your fish tank are tropical fish, they do really well in fish tanks and aquariums. I love to play fish tank games with my tropical fish, one game is called switch the fish tank... its good fun. It's also a great idea to get a fish tank screen saver so that you can watch your fish tank instead of doing work, also you don't need a fish tank filter for this aquarium.