Travisia spp.

Researched By	Dr Paul Somerfield & Prof. Richard Warwick	Data Supplied By	PML
Refereed by	This information is not refereed
Taxonomy
Scientific name	Travisia spp.	Common name	A polychaete worm
MCS Code	P1006	Recent Synonyms
Phylum	Annelida	Subphylum
Superclass		Class	Polychaeta
Subclass		Order	Opheliida
Suborder		Family	Travisiinae
Genus	Travisia	Species
Subspecies
Additional Information
Taxonomy References	Howson & Picton, 1997
General Biology
Growth form	Vermiform segmented	Feeding method	Sub-surface deposit feeder
Mobility/Movement	Burrower	Environmental position	Infaunal
Typical food types	Detritus	Habit	Free living
Bioturbator		Flexibility	High (>45 degrees)
Fragility	Intermediate	Size	Small-medium(3-10cm)
Height		Growth Rate	Not researched
Adult dispersal potential	Not researched	Dependency	Independent
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References	Rouse & Pleijel, 2001, Hayward & Ryland, 1995b, Hayward et al., 1996, Fauchald & Jumars, 1979
Distribution and Habitat
Distribution in Britain & Ireland	Not researched
Global distribution	Not researched
Biogeographic range	Not researched	Depth range	Not researched
Migratory
Distribution Additional Information
Substratum preferences	Muddy sand	Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
Distribution References	Rouse & Pleijel, 2001
Reproduction/Life History
Reproductive type	Gonochoristic	Developmental mechanism	Direct Development
Reproductive Season	November to February	Reproductive Location	As adult
Reproductive frequency		Regeneration potential	No
Life span	Insufficient information	Age at reproductive maturity	<1 year
Generation time	Not researched	Fecundity	In excess of 5000
Egg/propagule size	280-300 µm	Fertilization type	External
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Insufficient information Duration of larval stage Not relevant
Additional Information
Reproduction References	Rouse & Pleijel, 2001