Hypselodoris lacuna
# Hypselodoris lacuna

Hypselodoris lacuna is a species of sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

## Distribution

This nudibranch was described from Tingloy, Batangas, Luzon, Philippines, 13°40′24″N 120°50′27″E﻿ / ﻿13.67329°N 120.84093°E﻿ / 13.67329; 120.84093. It is reported from the western Indian Ocean of Aldabra Atoll to the western Pacific of Vanuatu, Indonesia, Papua New Guinea, the Philippines and Japan.

## Description

Hypselodoris lacuna has an opaque white body with round transparent patches centred with black or grey spots. At the edge of the mantle there are small blue-grey spots. The gills have orange pigment lines on the outer face. The rhinophores have orange-brown clubs and translucent bases. This species can reach a total length of at least 12 mm.

