Can anyone identify?

[Qbmafia444]

 

[Qbmafia444]

Disregard the black string algae on rock I️ took care of that but my newly acquired yellow tang has been fine for three weeks in my LFS but just noticed this like brownish bumps

 

[GHsaltie]

Looks to be the start of HLLE, take a look at this thread. https://www.reef2reef.com/threads/hlle-head-lateral-line-erosion.259916/

 

[4FordFamily]

Looks to be the start of HLLE, take a look at this thread. https://www.reef2reef.com/threads/hlle-head-lateral-line-erosion.259916/

Agree. Feed nori and foods soaked in selcon. If you use carbon, I’d remove it for awhile.

 

[Humblefish]

Looks like the start of HLLE: https://www.reef2reef.com/threads/hlle-head-lateral-line-erosion.259916/