Coryphella lineataCoryphella lineata is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Coryphellidae.DescriptionCoryphella lineata are commonly 20-30mm in length and are seen in a variety of colours, translucent white with either red, red-brown, yellow, or orange colouring of the digestive gland within the cerata.DietThis species feeds on hydroids such as Tubularia indivisa.DistributionCoryphella lineata can be found throughout the British Isles, and can also be found south as far as the Mediterranean Sea and north to Norway.