Hypselodoris emma reaches 5 cm. Small Indo-Pacific nudibranch (Chromodorididae) with cream-white mantle with multiple fine blue-purple to electric blue longitudinal lines, distinctive bright orange-yellow gills, orange rhinophores. Lives from 5 to 30 m on coral reefs of central Indo-Pacific. Feeds on sponges. Macro photo subject for its spectacular orange gills-blue mantle contrasts.
