Seen in Dauin, Philippines (Oct 2, 2012).
Length - 4.5cm. This slug's gill plume is large and elevated on a bulbous portion of the notum. The fine lines help distinguish it from other Nembrotha genus nudibranchs. It is rather large for a nudibranch, at nearly two inches. Its diet is said to consist of tunicates. Widespread Western Indo-Pacific. Depth - 5-30m
''Nembrotha lineolata'' is a species of nudibranch, a sea slug, a marine gastropod mollusk in the family Polyceridae. It is found in shallow water in the Indo-Pacific. It was first described in 1905 by the Danish malacologist Rudolph Bergh. The type locality is Selayar Island, Indonesia.