BIOTIC Species Information for Pseudothyone raphanus
Researched byDr Paul Somerfield & Prof. Richard Warwick Data supplied byPML
Refereed byThis information is not refereed.
Taxonomy
Scientific namePseudothyone raphanus Common nameA sea cucumber
MCS CodeZB256 Recent Synonyms

PhylumEchinodermata SubphylumEchinozoa
Superclass ClassHolothurioidea
Subclass OrderDendrochirotida
Suborder FamilySclerodactylidae
GenusPseudothyone Speciesraphanus
Subspecies   

Additional Information
Taxonomy References Howson & Picton, 1997,
General Biology
Growth form Feeding method
Mobility/Movement Environmental position
Typical food typesDetritus HabitTubiculous
Bioturbator FlexibilityHigh (>45 degrees)
FragilityIntermediate SizeSmall-medium(3-10cm)
Height0 Growth RateNot researched
Adult dispersal potentialNot researched DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Picton, 1993,
Distribution and Habitat
Distribution in Britain & IrelandRecorded off the west coast of Scotland, off the shores of Cleveland in north-east England, Plymouth and south-east Ireland although it may be under recorded.
Global distributionFound in north-west Europe from Norway to the Mediterranean.
Biogeographic rangeTemperate to warm temperate. Depth range10 m to 1000 m.
Migratory   
Distribution Additional Information

Substratum preferences Physiographic preferences
Biological zone Wave exposure
Tidal stream strength/Water flow Salinity
Habitat Preferences Additional Information
Distribution References Picton, 1993, Foster-Smith, 2000,
Reproduction/Life History
Reproductive type Developmental mechanism
Reproductive SeasonWinter Reproductive LocationAs adult
Reproductive frequency Regeneration potential No
Life spanInsufficient information Age at reproductive maturityInsufficient information
Generation timeNot researched FecundityInsufficient information
Egg/propagule sizeInsufficient information Fertilization typeInsufficient information
Larvae/Juveniles
Larval/Juvenile dispersal potentialNot researched Larval settlement periodInsufficient information
Duration of larval stageInsufficient information   
Reproduction Preferences Additional Information
Reproduction References
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