So I have recently purchased a 200g (Technically 194.99g) 6'x2'x26". I am going to stock the tank with about 18 polys (upper jaws). I was wondering what mid level/top swimming fish. I was thinking about some WC oscars, considered gars but kinda iffy, because i've heard that any stocking mistakes can be deadly. If you guys could add some suggestions because lol the possibilities are endless and i'd like to try and see some other options I haven't considered. Thanks again 