Help with Nudibranch ID

I am trying to figure out what nudibranch is sitting on top of the brittle stars. The photo was taken at Anacapa Island, CA. Unfortunately, that's the best shot I got.

Any thoughts?

Thanks, Sergio

I am trying to figure out what nudibranch is sitting on top of the brittle stars. The photo was taken at Anacapa Island, CA. Unfortunately, that's the best shot I got.

 

Any thoughts?

 

Thanks, Sergio

Flabellina trilineata based on the white lines on the oral tentacles and down the tail.

Clinton