Chromodoris lochi reaches 6 cm. Small Indo-Pacific nudibranch (Chromodorididae) with pale blue-purple mantle (paler than C. annae and colemani) with median longitudinal black line and black mantle edge, pale violet to white gills, black rhinophores. Lives from 3 to 30 m on coral reefs of central and western Indo-Pacific. Feeds on sponges. More accessible and common than its cousins. Accessible photogenic macro photo subject.
