Hi all, first time poster hoping for some seasoned advice. I currently have a 240 litre tank occupied by 3 bronze cory, 3 pepper cory, 1 bristlenose, 7 harlequins, 3 tiger barbs, 6 gold barbs and 2 gouramis (1 small yellow and 1 big blue). My question is can I add any more fish and if so could...