Discus fish -300 litres-2011 Red turquoise -Red rose -Blue diamond -Cobalt blue- turquoise 300+ litres - planted fish aquarium -natural -environment for discus .juveniles 2-4 inches . kept with cardinal tetras perfect combination . this is the first video will film them growing and getting bigger and developing in to fine specimens .The king of tropical fish !! . ps don't keep goldfish and angelfish with these supreme fish just lowers the tank .you would not put a shabby metro next to a Aston martin . would you ? to bring out the best in discus make sure they are the dominate and only big fish in the tank my opinion .