BIOTIC Species Information for Sertularia cupressina
Click here to view the MarLIN Key Information Review for Sertularia cupressina
Researched byDr Paul Somerfield & Prof. Richard Warwick Data supplied byPML
Refereed byThis information is not refereed
Taxonomy
Scientific nameSertularia cupressina Common nameWhiteweed
MCS CodeD433 Recent Synonyms

PhylumCnidaria Subphylum
SuperclassHydrozoa ClassLeptolida
SubclassLeptothecatae OrderConica
SuborderPlumulariida FamilyPlumulariidae
GenusSertularia Speciescupressina
Subspecies   

Additional Information
Taxonomy References Howson & Picton, 1997,
General Biology
Growth formDendroid
Feeding methodPredator
Mobility/MovementPermanent attachment
Environmental positionEpifaunal
Epilithic
Typical food typesZooplankton HabitErect
BioturbatorNot relevant FlexibilityHigh (>45 degrees)
FragilityFragile SizeLarge(>50cm)
Height10 - 60 cm Growth RateNot researched
Adult dispersal potentialNot researched DependencyIndependent
SociabilityColonial
Toxic/Poisonous?No
General Biology Additional Information
Biology References
Distribution and Habitat
Distribution in Britain & IrelandFound on all British and Irish coasts.
Global distributionFound in north-west Europe from Denmark to Portugal and on the east and west coasts of Canada.
Biogeographic rangeTemperate. Depth rangeExtreme low water spring tidal reach to 100 m or more.
MigratoryNon-migratory / Resident   
Distribution Additional Information

Substratum preferencesBedrock
Large to very large boulders
Cobbles
Small boulders
Physiographic preferencesEstuary
Enclosed coast / Embayment
Biological zone Wave exposure
Tidal stream strength/Water flow SalinityReduced (18-30 psu)
Low (<18 psu)
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1995b, Fish & Fish, 1996,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismBrooding
Reproductive SeasonContinuous Reproductive LocationAs adult
Reproductive frequencyAnnual protracted Regeneration potential Yes
Life spanSee additional information Age at reproductive maturity<1 year
Generation timeNot researched FecundityInsufficient information
Egg/propagule sizeInsufficient information Fertilization typeExternal
Larvae/Juveniles
Larval/Juvenile dispersal potentialNot researched Larval settlement periodContinuous
Duration of larval stage11-30 days   
Reproduction Preferences Additional InformationLongevity is expected to be at least 1 year.
Reproduction References
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