Yellow seaslug? Or nudi?

[ekopapers]

Trying to figure out if this cute little yellow slug is ok or if he is harmful. Any Id on species would be appreciated

 

[Nonya]

I had one in my tank. Elysia. Harmless. Cool.

 

[ekopapers]

I had one in my tank. Elysia. Harmless. Cool.

That's what I was thinking it is, but I thought I'd get since verification from someone else

 

[monkeyCmonkeyDo]

Looks like a lettuce nudibranch but yellow and not green. It is better safe than sorry usually.
D

 

[Nonya]

I had one in my tank. Elysia. Harmless. Cool.

I think my wrasse ate mine