Rostanga rubra
# Rostanga rubra

Rostanga rubra, is a species of sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Discodorididae.

## Distribution

This species was described from Nice, France. It has been reported from Norway to Spain on the Atlantic Ocean coasts of Europe and from the Canary Islands and Madeira.

## Description

Rostanga rubra is a bright orange to reddish-orange in colour and the dorsum is covered with caryophyllidia; in general it is very similar to other species of Rostanga.

## Ecology

This nudibranch is reported to feed on the red sponges, Ophlitaspongia seriata, Clathria atrasanguinea and Ophlitaspongia kildensis (family Microcionidae).

