Aporrhais serresianus

Researched By	Morvan Barnes	Data Supplied By	MarLIN
Refereed by	This information is not refereed
Taxonomy
Scientific name	Aporrhais serresianus	Common name	A gastropod
MCS Code	W431	Recent Synonyms
Phylum	Mollusca	Subphylum
Superclass		Class	Gastropoda
Subclass	Prosobranchia	Order	Mesogastropoda
Suborder		Family	Calyptraeidae
Genus	Aporrhais	Species	serresianus
Subspecies
Additional Information
Taxonomy References	Howson & Picton, 1997, Hayward & Ryland, 1995b
General Biology
Growth form	Turbinate	Feeding method	Detritivore, Surface deposit feeder
Mobility/Movement	Burrower, Crawler	Environmental position	Epifaunal, Infaunal
Typical food types	Plant debris and other detritus	Habit	Free living
Bioturbator	Not relevant	Flexibility	None (< 10 degrees)
Fragility	Robust	Size	Small-medium(3-10cm)
Height	Not researched	Growth Rate	Not Researched
Adult dispersal potential	Not researched	Dependency	Independent
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References	Hayward & Ryland, 1995b, Fish & Fish, 1996, Seaward, 1982, Christensen, 1980, Graham, 1953, Graham, 1955b
Distribution and Habitat
Distribution in Britain & Ireland	Found off the western coasts of Scotland and Ireland as well as the Shetland and Orkney Isles.
Global distribution	Found in north-west Europe from Norway to the Shetlands and south to the Azores and in the Meditteranean off the coasts of Greece, Malta and Tunisia.
Biogeographic range	Temperate to warm temperate.	Depth range	From 10 m to 1000 m depth.
Migratory	Non-migratory / Resident
Distribution Additional Information
Substratum preferences	Fine clean sand, Sandy mud	Physiographic preferences	Open coast, Offshore seabed
Biological zone	Upper Infralittoral, Lower Infralittoral, Upper Circalittoral, Lower Circalittoral, Circalittoral Offshore, Bathybenthic (Bathyal)	Wave exposure	Field unresearched
Tidal stream strength/Water flow	Field unresearched	Salinity	Full (30-40 psu)
Habitat Additional Information
AMBI Group (Borja et al., 2000)	I
Distribution References	Hayward & Ryland, 1995b, Seaward, 1982, Christensen, 1980
Reproduction/Life History
Reproductive type	Gonochoristic	Developmental mechanism	Not researched
Reproductive Season	Not researched	Reproductive Location	Insufficient information
Reproductive frequency	Annual protracted	Regeneration potential	No
Life span	6-10 years	Age at reproductive maturity	1-2 years
Generation time	Not researched	Fecundity	Insufficient information
Egg/propagule size	Insufficient information	Fertilization type	Internal
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Not researched Duration of larval stage 1-2 months
Additional Information
Reproduction References	Hayward & Ryland, 1995b, Fish & Fish, 1996, Lebour, 1933, Seaward, 1982, Graham, 1953