BIOTIC Species Information for Chaetozone setosa
Researched byLizzie Tyler Data supplied byUniversity of Sheffield
Refereed byThis information is not refereed.
Taxonomy
Scientific nameChaetozone setosa Common nameA polychaete worm
MCS CodeP834 Recent SynonymsNone
PhylumAnnelida Subphylum
Superclass ClassPolychaeta
Subclass OrderSpionida
Suborder FamilyCirratulidae
GenusChaetozone Speciessetosa
Subspecies   
Additional InformationThere are several species confused under this name in UK waters (Howson & Picton, 1997).
Taxonomy References Howson & Picton, 1997, Hayward et al., 1996, Hayward & Ryland, 1995b, Bruce et al., 1963, Picton & Costello, 1998, NBN, 2002,
General Biology
Growth formVermiform segmented
 Feeding methodSurface deposit feeder
Sub-surface deposit feeder
Mobility/MovementBurrower
 Environmental positionInfaunal
Typical food typesDetritus HabitBurrow dwelling
BioturbatorNot researched FlexibilityHigh (>45 degrees)
FragilityFragile SizeSmall(1-2cm)
Height Growth RateInsufficient information
Adult dispersal potential100-1000m DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional InformationThis species is a sedentary worm feeding on detritus using its long, wrinkled fragile palps.
Biology References Hayward & Ryland, 1995b,
Distribution and Habitat
Distribution in Britain & IrelandThis species can be found around the coasts of Britain and Ireland.
Global distributionEuropean waters from Arctic to Mediterranean (Hayward & Ryland, 1995b), considered to be cosmopolitan is shallow waters Eulittoral to 1950 m in north east Atlantic (Chambers, 2000).
Biogeographic rangeNot researched Depth range
MigratoryNon-migratory / Resident   
Distribution Additional InformationNone entered
Substratum preferencesMuddy gravel
Coarse clean sand
Fine clean sand
Sandy mud
Muddy sand
Mud
 Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional InformationNone entered
Distribution References Hayward et al., 1996, Hayward & Ryland, 1995b, Bruce et al., 1963, Picton & Costello, 1998, NBN, 2002, Hily, 1987, Chambers, 2000, Hayward & Ryland, 1995b,
Reproduction/Life History
Reproductive type Developmental mechanismLecithotrophic
Reproductive SeasonSee additional information Reproductive LocationInsufficient information
Reproductive frequencyAnnual episodic Regeneration potential No
Life span1-2 years Age at reproductive maturity
Generation timeInsufficient information Fecundity
Egg/propagule size Fertilization typeInsufficient information
Larvae/Juveniles
Larval/Juvenile dispersal potentialInsufficient information Larval settlement periodInsufficient information
Duration of larval stage   
Reproduction Preferences Additional InformationReproductive period varies with location even on a small scale: spawning in Northumberland ranged from Feb-April or Nov-Jan in intertidal populations to Nov-Dec in a subtidal populations (Christie, 1985). June-Sept in English Channel (Hily, 1987). Adults with eggs found all year in Bay of Brest. Curtis (1977) suggested that a population from west Greenland had direct development .
Reproduction References Christie, 1985, Curtis, 1977, Eckert, 2003, Giangrande, 1997, Christie, 1985,
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