BIOTIC Species Information for Malacoceros fuliginosus
Researched byDan Bayley Data supplied byMBA
Refereed byThis information is not refereed.
Scientific nameMalacoceros fuliginosus Common nameA bristleworm
MCS CodeP737 Recent Synonyms

PhylumAnnelida Subphylum
Superclass ClassPolychaeta
Subclasscanalipalpata OrderSpionida
Suborder FamilySpionidae
GenusMalacoceros Speciesfuliginosus

Additional Information
Taxonomy References Howson & Picton, 1997, Hayward & Ryland, 1995b,
General Biology
Growth formVermiform segmented
Feeding method
Environmental positionInfaunal
Typical food types Habit
Bioturbator Flexibility
Fragility SizeSmall-medium(3-10cm)
Height Growth Rate
Adult dispersal potential Dependency
General Biology Additional Information
Biology References Hayward & Ryland, 1990, , Giangrande, 1997,
Distribution and Habitat
Distribution in Britain & IrelandAll Great Britain
Global distributionNorth-East Atlantic and Mediterranean
Biogeographic rangeTemperate Depth range
MigratoryNon-migratory / Resident   
Distribution Additional Information

Substratum preferencesMuddy sand
Under boulders
Physiographic preferences
Biological zoneUpper Infralittoral
Lower Infralittoral
Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional InformationPolluted waters
Distribution References Hayward & Ryland, 1995b, Giangrande, 1997,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismPlanktotrophic
Reproductive SeasonApril - July Reproductive LocationAdult burrow
Reproductive frequency Regeneration potential No
Life span1-2 years Age at reproductive maturity1 year
Generation time Fecundity11000 eggs per spawning event
Egg/propagule size160 µ m diameter Fertilization typeExternal
Larval/Juvenile dispersal potential Larval settlement period
Duration of larval stage   
Reproduction Preferences Additional InformationLarvae develop 0-14 setiger during pelagic planktotrophic period before settling.
Reproduction References Giangrande, 1997, Gudmundsson, 1985,
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