Another bad Nudibranch?

[Brit’s Fish]

Just saw this teeny weeny guy on my glass. I have had Zoa Eating Nudis in this tank in the past but haven’t seen any signs of them or eggs in weeks. Between a dipping regimen and my Bicolor Dottyback, they at least seem to be gone. He looks way more yellow than the brown ones that were on my zoas and he’s way up on the glass on the other side of the tank. Is he just another baby ZEN?

 

[Rmckoy]

Looks almost the shape of a flatworm .