Picture details
Genus Pseudobiceros
Species sp.
Authority -
Family Pseudocerotidae
Order Polycladida
Location South Coast, KwaZulu-Natal, South Africa
Length about 6 cm
PHOTO © Copyright Valda Fraser, Durban, KwaZulu-Natal, South Africa
Comments This flatworm of the genus Pseudobiceros (upper photo) mimics the color pattern of Glossodoris symmetricus (Family: Chromodorididae), which is commonly found throughout the Indic (lower PHOTO © Phil Woodhead). 
Go to the polyclad introductory page to see more examples for nudibranch - flatworm mimicry