Discus, there's a reason why they are the Kings of the Freshwater aquarium.....
And for a list of many of the multitude of color strains:
http://www.xs4all.nl/~hlc/fons/strains/pictures.htm
And for a list of many of the multitude of color strains:
http://www.xs4all.nl/~hlc/fons/strains/pictures.htm