Fjordia browni is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Flabellinidae. Distribution This species was described from Ireland. It is a fairly common species found in exposed sites from northern France to Norway. Description This Fjordia has a narrow body and cerata in well defined clusters. The cerata have a broad band of white pigment at the tip. Ecology The diet of this species is a hydroid, Tubularia indivisa. References Flabellinidae Gastropods described in 1980