I in the proccess of cycling my 45gal.(fishless). Im planing of doing a school of about 10-15 tiger barbs and one RTS. I want to add a cool looking centerpiece fish. I know that it will have to be fairly agressive. The tank has 2 caves, one at each end of the tank and 2 fake amazon sword plants spanning th back of the tank. i may eventually and 2 more behind the caves and make a smaller cave in the center area of the tank. Any ideas as to what i could add? I really like the look of paradise fish but dont know about them with the barbs cuz of the fin nipping.