BIOTIC Species Information for Colus gracilis
Click here to view the MarLIN Key Information Review for Colus gracilis
Researched byLizzie Tyler Data supplied byUniversity of Sheffield
Refereed byThis information is not refereed.
Taxonomy
Scientific nameColus gracilis Common nameA gastropod mollusc
MCS CodeW715 Recent Synonyms

PhylumMollusca Subphylum
Superclass ClassGastropoda
SubclassProsobranchia OrderNeogastropoda
Suborder FamilyBuccinidae
GenusColus Speciesgracilis
Subspecies   

Additional Information
Taxonomy References Howson & Picton, 1997, Hayward & Ryland, 1995b,
General Biology
Growth formTurbinate
Feeding methodPredator
Scavenger
Mobility/MovementCrawler
Environmental positionEpifaunal
Epibenthic
Typical food typesCarrion as well as bivalves and certain polychaetes HabitFree living
BioturbatorNot relevant FlexibilityNone (< 10 degrees)
FragilityRobust SizeSmall-medium(3-10cm)
HeightNot researched Growth RateNot Researched
Adult dispersal potentialNot researched DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional InformationObservations of symbiosis between Colus gracilis and the cnidarian Hormathia digitata have been made (Ates, 1998).
Biology References Hayward & Ryland, 1995b, Seaward, 1982, Christensen, 1980, Graham, 1988, Philippart, 1998, Ates, 1998, Hayward & Ryland, 1990,
Distribution and Habitat
Distribution in Britain & IrelandFound throughout much of the British Isles and Ireland , less so in the southern North Sea and the English Channel.
Global distributionFound in north-west Europe from Norway to the Shetlands (and possibly further north) and south to Spain and the Azores.
Biogeographic rangeTemperate. Depth range30 - 80 m
MigratoryNon-migratory / Resident   
Distribution Additional Information

Substratum preferencesCoarse clean sand
Fine clean sand
Sandy mud
Muddy sand
Physiographic preferencesOpen coast
Offshore seabed
Biological zoneLower Infralittoral
Upper Circalittoral
Lower Circalittoral
Circalittoral Offshore
Wave exposureNot relevant
Tidal stream strength/Water flowField unresearched
SalinityFull (30-40 psu)
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1995b, Seaward, 1982, Christensen, 1980, Hayward & Ryland, 1990,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismDirect Development
Brooding
Reproductive SeasonNot researched Reproductive LocationAs adult
Reproductive frequencyAnnual protracted Regeneration potential No
Life span21-100 years Age at reproductive maturity6-10 years
Generation timeNot researched Fecundity
Egg/propagule size Fertilization typeInternal
Larvae/Juveniles
Larval/Juvenile dispersal potentialNot relevant Larval settlement periodNot researched
Duration of larval stage   
Reproduction Preferences Additional Information
Reproduction References Hayward & Ryland, 1995b, Seaward, 1982, Graham, 1988, Fetter & Graham, 1962,
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