"I do not think this is Flabellina rubrolineata because it has no longitudinal red stripes (but not all Flabellina rubrolineata have them) and there are 2 purple rings on the oral tentacles."
Comment from Richard Willan
I do not think this is Flabellina rubrolineata because it has no longitudinal red stripes (but not all Flabellina rubrolineata have them) and there are 2 purple rings on the oral tentacles.