Smooth, translucent white body revealing pinkish ovotestes and brownish digestive gland.
1: two forward-pointing, not strongly-curved, linear processes at base of each rhinophore.
2: no linear processes on the anterior edge of the mantle over the head
3: short oral tentacle.
4: several erect linear processes by each side of the gills.
5: no orange or yellow pigment on main body except dorsal ridge on tail.
Length 10 mm. Menai Strait, Wales. March 2011