Bryopsis or GHA?

[EvanDeVita]

Hi all,
I reccently got a sea hare for my tank, and then found out it only at GHA and not bryopsis. Can anyone tell me if A) this is bryopsis or GHA AND B) If the sea hare will eat it

 

[Reverend Turtle]

Looks like bryopsis, and in my experience they won't eat it.