Rubramoena rubescens

Rubramoena rubescens is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Trinchesiidae.

Distribution

This species was described from St. John's Point, Dunkineely, County Donegal, Ireland. It has been reported from the NE Atlantic from Norway south to Cornwall.

Description

The typical adult size of this species is 12–15 mm. It is very similar to Rubramoena amoena, apart from differences in the colour pattern.

Habitat

Rubramoena rubescens feeds on hydroids of the genus Halecium especially Halecium halecinum.