Goniobranchus glenieiGoniobranchus gleniei is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.DistributionThis species was described from the inner harbour, Trincomalee and Cottiar, opposite Fort Fredrick, Sri Lanka. It has been reported from the Maldives and Tanzania.DescriptionGoniobranchus gleniei is a chromodorid nudibranch with a continuous, sinuous black or deep purple line all round the mantle, outside the gills and rhinophores. The outer part of the mantle is white with a faint submarginal grey line. The inner part of the mantle is golden-brown with irregular black spots.