BIOTIC Species Information for Mysella bidentata
Researched byLizzie Tyler Data supplied byUniversity of Sheffield
Refereed byThis information is not refereed.
Taxonomy
Scientific nameMysella bidentata Common nameA bivalve mollusc
MCS CodeW1906 Recent SynonymsNone
PhylumMollusca Subphylum
Superclass ClassPelecypoda
Subclass OrderVeneroida
Suborder FamilyMontacutidae
GenusKurtiella Speciesbidentata
Subspecies   
Additional Information
Taxonomy References Hayward & Ryland, 1995b, Christensen, 1980, Tebble, 1966, Howson & Picton, 1997,
General Biology
Growth formArticulate
 Feeding methodPassive suspension feeder
Active suspension feeder
Surface deposit feeder
Sub-surface deposit feeder
Mobility/MovementCrawler
Burrower
 Environmental positionInfaunal
Typical food typesInsufficient information HabitBurrow dwelling
Bioturbator FlexibilityNone (< 10 degrees)
FragilityIntermediate SizeSmall(1-2cm)
HeightInsufficient information Growth RateInsufficient information
Adult dispersal potential100-1000m DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Hayward & Ryland, 1990, Heidi Tillin, unpub data, Julie Bremner, unpub data,
Distribution and Habitat
Distribution in Britain & IrelandWidespread around the British Isles but with very few records from Ireland.
Global distributionIts distribution ranges from Norway to west Africa and the Mediterranean.
Biogeographic rangeNot researched Depth range0 - 100 m
MigratoryInsufficient info.   
Distribution Additional Information
Substratum preferencesSee additional information
Muddy sand
 Physiographic preferencesInsufficient information
Biological zoneInsufficient information
 Wave exposureInsufficient information
Tidal stream strength/Water flowInsufficient information
 SalinityInsufficient information
Habitat Preferences Additional InformationMysella bidentata is found on fine gravel, dead oyster valves, burrows of Golfingia and associated with Amphiura brachiata (Hayward & Ryland, 1995b).
Distribution References Hayward & Ryland, 1995b, NBN, 2002, JNCC, 1999, Picton & Costello, 1998, Hayward & Ryland, 1990, Julie Bremner, unpub data,
Reproduction/Life History
Reproductive typePermanent hermaphrodite
 Developmental mechanismPlanktotrophic
Lecithotrophic
Reproductive SeasonAugust - November Reproductive LocationInsufficient information
Reproductive frequencyAnnual protracted Regeneration potential No
Life spanInsufficient information Age at reproductive maturity1 year
Generation time1 year Fecundity1000
Egg/propagule size Fertilization typeInsufficient information
Larvae/Juveniles
Larval/Juvenile dispersal potential>10km Larval settlement periodInsufficient information
Duration of larval stage11-30 days   
Reproduction Preferences Additional Information
Reproduction References Eckert, 2003, Heidi Tillin, unpub data, Julie Bremner, unpub data,
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