BIOTIC

BIOTIC Species Information for Armandia cirrhosa
All Taxonomy Biology Distribution Reproduction

Researched by	Nicola White	Data supplied by	MarLIN
Refereed by	Dr Richard S.K. Barnes
Distribution and Habitat
Distribution in Britain & Ireland	Eight Acre Pond in the Keyhaven-Lymington lagoons in Hampshire; Small Mouth Spit (Portland Harbour) and East Fleet Sandbank (Fleet Lagoon) in Dorset.
Global distribution	South from the English Channel along the eastern Atlantic coasts, on Madeira and in the Mediterranean and Adriatic.
Biogeographic range	Not researched	Depth range
Migratory	Non-migratory / Resident
Distribution Additional Information	The species was formerly very abundant in Eight-Acre Pond, Hampshire, but despite repeated surveys has not been recorded there since 1990. Two new sites were discovered in Dorset in 1994, bringing the total number of sites in the UK to 3.

Substratum preferences	Muddy gravel Muddy sand	Physiographic preferences	Isolated saline water (Lagoon)
Biological zone	Lower Eulittoral	Wave exposure	Very Sheltered
Tidal stream strength/Water flow	Insufficient information See additional information	Salinity	Reduced (18-30 psu) Variable (18-40 psu)
Habitat Preferences Additional Information	None entered
Distribution References	Downie, 1996, Barnes, 1994, Anonymous, 1999(s), Rouse & Pleijel, 2001,