Ireland to the Mediterranean
UPPER: Portmagee Channel, Valentia Is, Co Kerry, SW Ireland - May 1995
LOWER: Mulroy Bay, NW Ireland - March 1980. PHOTOS: Bernard Picton
Inflated fragile shell grows to about 30mm and body length to about 70mm. The shell is largely hidden by the large parapodial lobes and the posterior pallial lobe. It is usually found in sheltered mud or muddy sand habitats, especially Zostera beds.
Compare with Haminoea hydatis.
• Thompson, T.E. (1976) Biology of Opisthobranch Molluscs, Vol 1. Ray Society: London.
• Thompson, T.E. (1988) Molluscs: Benthic Opisthobranchs. 356pp. Synopses of the British Fauna (New Series) No. 8. E.J.Brill & W. Backhuys: Leiden.
Rudman, W.B., 2001 (February 13) Haminoea navicula (Costa, 1778). [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/haminavi