Known from Britain, Ireland and parts of France.
UPPER: approx. 25mm long, on rock at 8 metres on the east coast of Scotland. LOWER: Inisbofin, Ireland, approx 3 cm long, depth 12m, May 1999.
PHOTOS: Jim Anderson. See Scottish Nudibranchs website.
May grow to 50mm. There is a white streak down the dorsal midline from the last cerata to the posterior tip of the foot, and both the wrinkled rhinophores and long oral tentacles are streaked with white. The digetsive gland can range in colour from red to dark brown or black. There is a broad white subterminal band on each ceras. Has long been confused with Flabellina gracilis and Flabellina verrucosa. Feeds on the gymnoblastic hydroid Tubularia. See Bernard Picton's website for further information.
• Thompson, T.E. & Brown, G.H. (1984) Biology of Opisthobranch Molluscs, Vol 2. Ray Society: London.
Rudman, W.B., 1999 (September 16) Flabellina browni Picton, 1980. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/flabbrow
Flabellina browni from Devon, southwest Britain
From: Louise Bailey, June 30, 2006
Re: Cuthona gymnota? from Cork, Ireland
From: Jim Anderson, June 23, 2006
Flabellina browni from Guernsey
From: Richard Lord, July 15, 2003
Flabellina browni from the Baltic Sea
From: Erwin Koehler, August 31, 2001
Flabellina verrucosa from Ireland is F. browni
From: Bernard Picton, January 9, 2001
Flabellina verrucosa from Ireland
From: Erwin Koehler, January 4, 2001
Re: unidentified Scottish nudibranchs (1)
From: Bernard Picton, September 17, 1999