Hesionura spp.

Researched By	Dr Paul Somerfield & Prof. Richard Warwick	Data Supplied By	PML
Refereed by	This information is not refereed
Taxonomy
Scientific name	Hesionura spp.	Common name	A polychaete worm
MCS Code	P121	Recent Synonyms
Phylum	Annelida	Subphylum
Superclass		Class	Polychaeta
Subclass		Order	Phyllodocida
Suborder		Family	Phyllodocidae
Genus	Hesionura	Species
Subspecies
Additional Information
Taxonomy References	Howson & Picton, 1997
General Biology
Growth form	Vermiform segmented	Feeding method	Predator
Mobility/Movement	Burrower	Environmental position	Infaunal
Typical food types	Small invertebrates	Habit	Free living
Bioturbator		Flexibility	High (>45 degrees)
Fragility	Intermediate	Size	Very small(<1cm)
Height		Growth Rate	Not researched
Adult dispersal potential	Not researched	Dependency
Sociability	Solitary
Toxic/Poisonous?	No
Additional Information
Biology References	Rouse & Pleijel, 2001 , Pleijel & Dales, 1991
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	Coarse clean sand	Physiographic preferences
Biological zone		Wave exposure
Tidal stream strength/Water flow		Salinity
Habitat Additional Information
Distribution References
Reproduction/Life History
Reproductive type		Developmental mechanism	Planktotrophic, Lecithotrophic
Reproductive Season	Insufficient information	Reproductive Location	Insufficient information
Reproductive frequency		Regeneration potential	No
Life span	Insufficient information	Age at reproductive maturity	Insufficient information
Generation time	Not researched	Fecundity	Insufficient information
Egg/propagule size	Insufficient information	Fertilization type	Insufficient information
Larvae/Juveniles Larval/Juvenile dispersal potential Not researched Larval settlement period Insufficient information Duration of larval stage Insufficient information
Additional Information
Reproduction References	Rouse & Pleijel, 2001