black spots,hypermelazanation on clowns

[genzod66]

i have 3 perc clowns,added corals a few weeks ago, zoos, mushrooms,xenia, and star polyps,my clowns all have black spots now, looks like hypermelazanation,all r swimming and eating,no other fish have it,also have cleaner shrimp and coral banded shrimp,water is great,and have uv ster,is this what it is???

 

[o2ngk]

From your description, Yap, it is. No worry, they will be fine. If anything watch the 3 of them and make sure they get along. Usually the 2 will gang up on one.