Oh ok interesting, thanks for the infoThat is a symptom seen in clownfish, but nobody knows the cause. I've posted about it multiple times. Here is one link:
https://www.reef2reef.com/threads/clownfish-bruising-lesion.936964/
Jay
Also started to lower salinity, at 1.022 right now, aiming for 1.015 tomorow and 1.009 next day
Thanks for all the help and info along the way!