BIOTIC Species Information for Diodora spp.
Researched bySean Lindsley-Leake Data supplied byMarLIN
Refereed byThis information is not refereed
Taxonomy
Scientific nameDiodora spp. Common nameA keyhole limpet
MCS CodeW114 Recent Synonyms

PhylumMollusca Subphylum
Superclass ClassGastropoda
SubclassProsobranchia OrderArchaeogastropoda
SuborderVetigastropoda FamilyFissurellidae
GenusDiodora Species
Subspecies   

Additional Information
Taxonomy References
General Biology
Growth form Feeding method
Mobility/MovementCrawler
Environmental position
Typical food types HabitFree living
Bioturbator FlexibilityNone (< 10 degrees)
FragilityRobust SizeSmall-medium(3-10cm)
Height Growth Rate
Adult dispersal potential DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Fretter & Graham, 1962,
Distribution and Habitat
Distribution in Britain & Ireland
Global distribution
Biogeographic range Depth range
Migratory   
Distribution Additional Information

Substratum preferences Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References
Reproduction/Life History
Reproductive typeProtandrous hermaphrodite
Gonochoristic
Developmental mechanismOviparous
Direct Development
Reproductive SeasonDecember to Feb Reproductive LocationSediment surface
Reproductive frequencyAnnual episodic Regeneration potential No
Life span11-20 years Age at reproductive maturityInsufficient information
Generation timeInsufficient information FecundityInsufficient information
Egg/propagule size0.2mm Fertilization typeExternal
Larvae/Juveniles
Larval/Juvenile dispersal potential<10m Larval settlement periodNot relevant
Duration of larval stageNot relevant   
Reproduction Preferences Additional InformationEggs take 3 weeks to hatch
Reproduction References Pernet, 1997, Page, 2002, Hodgson & Chia, 1993, Fretter & Graham, 1962,
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