Georgette Douwma / Flatworm, probably Pseudobiceros sp, West Papua, Indonesia.

Chris Newbert / Polyclad (Pseudobiceros sp) detail of skin, Papua New Guinea

David Fleetham / Hawaiian spotted flatworm (Pseudobiceros sp.), endemic to Hawaii, on a Large pincushion starfish (Culcita novaeguineae).

Fred Bavendam / Flatworm (Pseudobiceros bedfordi) crawling across coral, Great Barrier Reef, Australia