Im not sure if this is just an abrasion or some type of parasite please help it's a Picasso clown which was added today and so was a black Ocellaris clown which has no symptoms of whatever is on the Picasso any help is appreciated they are the only two fish in the tank as my cycle has completed and these are the first additions. 54 gallon corner tank with 80 pounds of live sand 75 pounds of live rock
https://postimg.org/gallery/29pt9o3g0/00d8e8c5/
https://postimg.org/gallery/29pt9o3g0/00d8e8c5/
+1 to Humble's treatment options ^^^
I guess I'm just more comfortable using formalin or acriflavine because I know exactly what those chemicals will and won't do. 

