BIOTIC Species Information for Sepiola spp.
Researched bySean Lindsley-Leake Data supplied byMarLIN
Refereed byThis information is not refereed
Scientific nameSepiola spp. Common nameA bobtail squid
MCS CodeW2322 Recent Synonyms

PhylumMollusca Subphylum
Superclass ClassCephalopoda
SubclassColeoidea OrderSepiolida
Suborder FamilySepiolidae
GenusSepiola Species

Additional Information
Taxonomy References Boyle & Rodhouse, 2005,
General Biology
Growth form Feeding method
Environmental position
Typical food types HabitFree living
Bioturbator FlexibilityLow (10-45 degrees)
FragilityIntermediate SizeSmall(1-2cm)
Height Growth Rate
Adult dispersal potential DependencyIndependent
General Biology Additional Information
Biology References Boyle & Rodhouse, 2005,
Distribution and Habitat
Distribution in Britain & Ireland
Global distribution
Biogeographic range Depth range
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 typeGonochoristic
Developmental mechanismOviparous
Direct Development
Reproductive SeasonSummer Reproductive LocationSediment surface
Reproductive frequencySee additional information Regeneration potential No
Life span1-2 years Age at reproductive maturity<1 year
Generation time<1 year FecunditySee additional information
Egg/propagule size2.5-5mm Fertilization typeInternal
Larval/Juvenile dispersal potentialNot relevant Larval settlement periodNot relevant
Duration of larval stage2-10 days   
Reproduction Preferences Additional InformationReproductive frequency varies between annual episodic, and annual protracted/continuous in some species. Fecundity also varies between species and geographically, with some species producing 60 eggs, whilst others produce up to 200. Eggs hatch into young squid or 'paralarvae' after 5-10 days.
Reproduction References Yau & Boyle, 1996, Gabel-Deickert, 1995, Salman & Onsoy, 2004, Boyle & Rodhouse, 2005,
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