hello,my sailfin tang has these clear see through patches on its fin.the patches are not eaten through.i have had the tang since nov. and my water test fine no nitrites low nitrates 1.024 salinity.i am guesing that it got stung by my curly Q anemone.this tang has been acting wierd lately chasing other tank mates and swimming infront of them and shaking.i am currently looking for a new home for the anemone.