The ridge and bases of the tubercles are blue-grey in color. Tubercles are capped in yellow. The foot sole possesses a black longitudinal foot stripe.This nudibranch will do best in a well established reef tank with an abundance of natural sponge growing.Ensure all pump intakes are covered and overflow drains are screened. This beautiful slug can be toxic to fishes and invertebrates if harmed by intakes and overflows.