Goniobranchus fidelis reaches 6 cm. Indo-Pacific nudibranch (Chromodorididae) with yellow-green to cream mantle covered with regularly scattered small red-purple spots and vivid red-purple mantle edge, orange gills, orange rhinophores. Lives from 5 to 30 m on coral reefs of central and western Indo-Pacific. Feeds on sponges. Accessible macro photo subject of nudi-spotting dives for its contrasting red-yellow pattern.
