BIOTIC Species Information for Sphaerosyllis spp.
Researched byDr Paul Somerfield & Prof. Richard Warwick Data supplied byPML
Refereed byThis information is not refereed
Taxonomy
Scientific nameSphaerosyllis spp. Common nameA polychaete worm
MCS CodeP424 Recent Synonyms

PhylumAnnelida Subphylum
Superclass ClassPolychaeta
Subclass OrderPhyllodocida
Suborder FamilySyllidae
GenusSphaerosyllis Species
Subspecies   

Additional Information
Taxonomy References Howson & Picton, 1997,
General Biology
Growth formVermiform segmented
Feeding methodPredator
Mobility/MovementCrawler
Environmental position
Typical food typesSmall invertebrates HabitFree living
Bioturbator FlexibilityHigh (>45 degrees)
FragilityFragile SizeVery small(<1cm)
Height Growth RateNot researched
Adult dispersal potentialNot researched Dependency
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Hayward & Ryland, 1995b, Rouse & Pleijel, 2001, Barnes, 1979,
Distribution and Habitat
Distribution in Britain & IrelandNot researched
Global distributionNot researched
Biogeographic rangeNot researched Depth rangeNot researched
Migratory   
Distribution Additional Information

Substratum preferencesGravel / shingle
Mud
Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1995b, MBA, 1957,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismDirect Development
Reproductive SeasonMay to June Reproductive LocationWater column
Reproductive frequency Regeneration potential No
Life spanInsufficient information Age at reproductive maturityInsufficient information
Generation timeNot researched Fecundity40
Egg/propagule size110 µm Fertilization type
Larvae/Juveniles
Larval/Juvenile dispersal potentialNot researched Larval settlement periodJune
Duration of larval stageNot relevant   
Reproduction Preferences Additional Information
Reproduction References Rouse & Pleijel, 2001, Thorson, 1946,
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