Fig. 48: A nicely coloured flat worm with a small fish. Sometimes they are mistaken as a nudibranch, but flatworms don't have gills. Dive site Alibaba nearby Mesemta island, Raja Empat, Indonesia. Nikon E5400; Δt=1/125 s; f=11.1 mm; f/7.9; ISO 50; 18 March 2005 15:25:11
