Fjordia lineata is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Coryphellidae.Gofas, S. (2025). Fjordia lineata (Lovén, 1846). Accessed through: World Register of Marine Species on 2026-05-05

Description Fjordia lineata are commonly 20-30mm (2-3 cm) 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.jojodive Retrieved July 5, 2012

Diet This species feeds on hydroids such as Tubularia indivisa.Rudman, W.B., 2000 (September 17) Flabellina lineata (Loven, 1846). [In] Sea Slug Forum. Australian Museum, Sydney.

Distribution Fjordia lineata can be found throughout the British Isles, and can also be found south as far as the Mediterranean Sea and north to Norway.

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