species: Pseudoceros dimidiatus cf. in Lizard Island Field Guide (Lizard Island Field Guide)
Pseudoceros dimidiatus cf.

©Les Brierley: Pseudoceros dimidiatus cf. at Dynamite Pass near Lizard Island (Reef 14-140).
Kingdom Animalia
Phylum Platyhelminthes
Class Rhabditophora
Order Polycladida
Family Pseudocerotidae
Genus Pseudoceros
Species Pseudoceros dimidiatus cf.



Distinguishing features

Black with a bright orange margin and two thin yellow stripes along the midline.

Pseudoceros dimidiatus has much broader yellow stripes according the the species authors (in Newman and Cannon, 2003) but they also recognise a wide range of variations (p. 73).


  • Size data has not been obtained.



Web resources


References that assist with identification

  • Edgar, G. (2019). Tropical Marine Life of Australia New Holland Publishers, London.
  • Newman, L.J. and L.R.G. Cannon (2003). Marine flatworms: The world of polyclads CSIRO Publishing, Collingwood, Vic.