http://forum.aqua-fish.net/ A forum devoted to aquarium fish, plants, techniques and fish keeping as a whole. en http://forum.aqua-fish.net/?topic=picasimus-changing-color#1 My 7 year pacasimus has slowly went from spotted black to a yellowish color. Water tested fine and no othe fish are sick? Does this happen when they get old? Anything I should do? mschris3333 2011-01-22