Hypselodoris sagamiensis is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

Distribution

This nudibranch is known only from Japan, India

Description

Hypselodoris sagamiensis has a white-translucent body with black spots on its mantle. The mantle is edged with an outer purple and inner yellow line. The gills and rhinophores are orange, sometimes outlined in white.

This species can reach a total length of at least 30mm and has been observed feeding on sponges from the genus Euryspongia.