if the faeces is white you are in a whole load of trouble, especially since you keep them with rays.
Another option that just dawned on me but could it be possible that one of your rays had a go at your discus. One of my old man's rays developped quite a taste for discus. It took us ages to figure out what was causing the disappearance of several discus until we caught him one night trying to envelop one of the discus
Another option that just dawned on me but could it be possible that one of your rays had a go at your discus. One of my old man's rays developped quite a taste for discus. It took us ages to figure out what was causing the disappearance of several discus until we caught him one night trying to envelop one of the discus
