Candy Striped Flatworm

Prostheceraeus vittatus (Montagu, 1815) Photo by: Dariusz Nowak (Damian Czarnecki, Sam Afoullouss)

Prostheceraeus vittatus is such a striking flatworm that it cannot be confused with any other. It may be mistakenly be identified as a sea slug due to the anterior tentacles and bright colouration. However, Prostheceraeus vittatus has none of the dorsal processes of the sea slugs, it is extremely thin (dorso-ventrally flattened) and the tentacles are formed by folds of tissue at the margin of the body. These features distinguish it from sea slugs. Prostheceraeus vittatus has a yellow-white or cream body with numerous dark longitudinal stripes. It crawls along the seabed using cilia and may swim by sinuous movements of the body.

14 June 2020


Salt Lake; Ardagh; Castle Demesne, Co. Galway

53.473446, -10.017668

Depth: 5m


Olympus TG6

Aperture F6.3

Focal length 18.00mm

White balance Auto

ISO 200

Exposure 1/160s

AOI UAL05 0.75x Wide Angle Air Lens


2x SUPE PV32T (2x 3000 Lumens) white.

CCK5600K; CRI:83; 100° beam angle.

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