Phyllidia ocellata Cuvier, 1804

sub-classs Opisthobranchia > order Nudibranchia > sub-order Doridina > family Phyllidiidae

Phyllidia ocellata has various patterns of gold with black and white rings, yellow or white tubercles. It is quite a large and conspicuous nudibranch.

Distribution =  Widespread, Indo-west Pacific & Red Sea
Max size =  60mm

more info at Sea Slug Forum      more pics at nudipixel