ok here this is crazy this guy on ratemyfishtank.com user name HappyMudSkipper has a 55gal tank with 15 Discus, 1 Histrix Stingray, 1 peacock eel, 1 pleco, 3 algae eaters and 3 snails. How can this person have usch an over stocked tank and still have the fish living in it!?