so now i have 6 pinks ( gunna get rid of a few to the petstore ) 2 black 4 firemouths 1 female jack and a common pleco in a 75 gallon, main fish is the female jack and my firemouths * may get rid of all but 1 firemouths 1 jack 1 black con 1 pink con ) and i want a pike cichlid, will they work in my tank?