So decided to jump into keeping chichlid only tank specifically lake Malawi peacocks and haps going to be getting a 65 gallon setup filtration will be into a sump and going with a aquadecor 3d rock background with sand substrate . Any advice on how many I can stock in the tank looking for Male only as I am in canada a good place to buy like a breeder . Also the different breeds of peacocks and haps that I can and should get any and all advice welcome