Bladder Moon Snail

Shell large, ovate in shape, Sculpture with numerous axial growth lines and easily distinguishable by the fawn coloration at outer surface. Spire low, sutures slightly channaled. Aperture semicircular and brown within, outer lip thick. Umbilicus open and partially occluded by a stronglu calloused umbilical pad. Colour white at base, black at protoconch, pale brown at umbilical area and darker at subsutural band. Distribution: Phu Quoc Island, Bac Lieu, Long Hai, Can Gio, Hue, Da Nang, etc. Size: 20-90 mm