Abra tenuis

Researched By	Lizzie Tyler	Data Supplied By	University of Sheffield
Refereed by	This information is not refereed.
Taxonomy
Scientific name	Abra tenuis	Common name	A bivalve mollusc
MCS Code		Recent Synonyms
Phylum	Mollusca	Subphylum
Superclass		Class	Bivalvia
Subclass		Order	Veneroida
Suborder		Family	Semelidae
Genus	Abra	Species	tenuis
Subspecies
Additional Information
Taxonomy References
General Biology
Growth form		Feeding method	Passive suspension feeder, Active suspension feeder, Surface deposit feeder, Sub-surface deposit feeder
Mobility/Movement		Environmental position
Typical food types		Habit
Bioturbator		Flexibility
Fragility		Size	Small(1-2cm)
Height		Growth Rate
Adult dispersal potential		Dependency
Sociability
Toxic/Poisonous?	No
Additional Information
Biology References	Bachelet, 1989
Distribution and Habitat
Distribution in Britain & Ireland
Global distribution
Biogeographic range		Depth range
Migratory
Distribution Additional Information
Substratum preferences		Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
AMBI Group (Borja et al., 2000)	III
Distribution References	Hayward & Ryland, 1990
Reproduction/Life History
Reproductive type		Developmental mechanism	Direct Development
Reproductive Season		Reproductive Location
Reproductive frequency		Regeneration potential	No
Life span	1-2 years	Age at reproductive maturity	1 year
Generation time		Fecundity	1000
Egg/propagule size	140 µm diameter	Fertilization type
Larvae/Juveniles Larval/Juvenile dispersal potential Larval settlement period Duration of larval stage
Additional Information
Reproduction References	Eckert, 2003, Bachelet, 1989, Casagranda and Boudouresque, 2005, Bachelet, 1989