Basicly what my sick fish looked like was these gaint white blotchs oozing with mucas. varied from fish to fish but for the most part the excess mucas was the dead give away. also the fact that it did not infect my chromi or eel which ruled out heavy metals or something in the water. it was a very brutal parasite luckily i saved 5 fish (hoevens wrasse, saddle back clown, tomato clown and 2 blue damsel) unfortunatly it killed my dottyback,lionfish,butterfly and majestic angel. the really tough part was getting formalin (formaldehyde) which is not readily for sale in canada.