Small sacoglossan found in shallow water in algal
collections. The body colour is a pale white almost
transparent with two rows of the greenish internal
digestive gland visible through. The green lines are
present as two rows on opposite side of the body
extending towards the head and tail area. The
cerata are elongated, transparent but with the
central greenish digestive gland visible and can be
seen connected to the main glands in the body.
Rhinophores are present as two short inrolled
tentacles. Size range of specimens: 2-4mm. Uncommon
Specific characteristics:A similar species P.
viridis may be confused with this species. However
this species is generally smaller in size, the cerata
are shorter and less in number, the ceratal tips are
transparent and there is no external pigment on
the body and foot of this species.