hey i came here to ask u guys a question. my tank has been setup for close to three months now. rite now i have a heniocus butterflyfish, a humu rectangle,one spot foxface, and a clrkii clown. i traded in my yellow tang bc he didnt hve enough room in my tank so i bough a humu rectangle and heni butterfly after him. last nite before i went to bed i looked at all my fish and every one was fine.but today wen i came home from school my heni eyes is bulging out and i dont no wat its from. his other eye is fine. someone please give me some ansers so i can treat this thing. thanks