Ditrupa arietina

Researched By	Lizzie Tyler	Data Supplied By	University of Sheffield
Refereed by	This information is not refereed.
Taxonomy
Scientific name	Ditrupa arietina	Common name	A polychaete worm
MCS Code	P1329	Recent Synonyms
Phylum	Annelida	Subphylum
Superclass		Class	Polychaeta
Subclass		Order	Sabellida
Suborder		Family	Serpulidae
Genus	Ditrupa	Species	arietina
Subspecies
Additional Information
Taxonomy References	Howson & Picton, 1997, Hayward & Ryland, 1995b
General Biology
Growth form	Vermiform segmented	Feeding method	Passive suspension feeder, Active suspension feeder
Mobility/Movement	Crawler, Burrower	Environmental position	Infaunal, Epifaunal
Typical food types	Organic matter, phytoplankton	Habit	Free living
Bioturbator	Diffusive mixing	Flexibility	High (>45 degrees)
Fragility	Fragile	Size	Small(1-2cm)
Height	Not researched	Growth Rate	Not researched
Adult dispersal potential	Not researched	Dependency	Independent
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References	Gremare et al.,1998, Jordana et al., 2000, Medernach et al., 2000, Hayward & Ryland, 1995b, Hayward & Ryland, 1995b
Distribution and Habitat
Distribution in Britain & Ireland	Found off the north-east coasts of Scotland as well as the south Celtic Sea and south-west Ireland.
Global distribution	Found in north-west Europe off the coasts of Britain and Ireland, in the Mediterranean off the coasts of Greece and in east and south-east Asia off the coasts of Thailand and China.
Biogeographic range	Temperate to warm temperate.	Depth range
Migratory	Non-migratory / Resident
Distribution Additional Information
Substratum preferences	Coarse clean sand, Fine clean sand, Sandy mud, Muddy sand, Mud, Muddy gravelly sand, Sandy gravelly mud	Physiographic preferences	Open coast, Offshore seabed
Biological zone	Upper Infralittoral, Lower Infralittoral, Upper Circalittoral, Lower Circalittoral, Circalittoral Offshore	Wave exposure	Exposed, Moderately Exposed, Sheltered
Tidal stream strength/Water flow	Field unresearched	Salinity	Full (30-40 psu)
Habitat Additional Information
AMBI Group (Borja et al., 2000)	I
Distribution References	Gremare et al.,1998, Jordana et al., 2000, Hayward & Ryland, 1995b, Hayward & Ryland, 1995b
Reproduction/Life History
Reproductive type	Gonochoristic	Developmental mechanism	Planktotrophic
Reproductive Season	Not researched	Reproductive Location	Insufficient information
Reproductive frequency	Annual protracted	Regeneration potential	No
Life span	1-2 years	Age at reproductive maturity	1 year
Generation time	Not researched	Fecundity
Egg/propagule size		Fertilization type	External
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Not researched Duration of larval stage 1-2 months
Additional Information
Reproduction References	Gremare et al.,1998, Jordana et al., 2000, Medernach et al., 2000, Hayward & Ryland, 1995b