Jorunna tomentosa

Jorunna tomentosa is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae.

Distribution
This species occurs in European waters from Norway to Portugal and in the Mediterranean Sea. It has also been reported from South Africa and Tristan da Cunha.

Biology
Jorunna tomentosa feeds on the sponges Haliclona cinerea and Haliclona oculata.