Scientific name: Phyllidia ocellata
Size: From 1.6 to 2.8 inches
Color: Yellow orange, black and white
Distinguishing feature: Presents tubers in the center of black ocelli surrounded by white
Where did we see it: Raja Ampat, Mayotte, Maldives
It is a pretty colorful nudibranch and correct size so it's not difficult to find.
This nudibranch feeds mainly on sponges that allow it to secrete a toxin allowing it to defend itself.