I’ve always wanted a zebra pike but I think it will be too aggressive for my tank. I currently have 2 5inch serverums, 1 4 inch geo heckelli, 2 13 inch spotted gars, 1 7 inch shovel nose cat, 1 10 inch bichir, 1 5 inch datnoid and 3 angel fish. If you think so what size would be best.