BIOTIC Species Information for Homarus gammarus
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Researched byMorvan Barnes Data supplied byMarLIN
Refereed byThis information is not refereed
Taxonomy
Scientific nameHomarus gammarus Common nameCommon lobster
MCS CodeS1400 Recent Synonyms

PhylumCrustacea Subphylum
Superclass ClassEumalacostraca
SubclassEucarida OrderDecapoda
SuborderPleocyemata FamilyNephropidae
GenusHomarus Speciesgammarus
Subspecies   

Additional Information
Taxonomy References Howson & Picton, 1997, Hayward & Ryland, 1995b, Hayward et al., 1996, Campbell, 1994, Ulrich et al., 2002, Triantafyllidis et al., 2005,
General Biology
Growth formArticulate
Feeding methodScavenger
Omnivore
Mobility/MovementCrawler
Environmental positionDemersal
Epifaunal
Epibenthic
Typical food typesA variety of live molluscs and crustaceans as well as carrion. HabitFree living
BioturbatorNot researched FlexibilityLow (10-45 degrees)
FragilityIntermediate SizeMedium-large(21-50cm)
HeightNot researched Growth Rate3 cm / year (carapace length)
Adult dispersal potential>10km DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional Information
Biology References Allen, 1895, Smith et al., 2001, Sheehy et al., 1996, Ingle, 1997, Beal et al., 2002, Mente et al., 2001, Sheehy et al., 1999, Bannister, 1998, Collins et al., 1992, Kurmaly et al., 1990,
Distribution and Habitat
Distribution in Britain & IrelandFound on all British and Irish coasts.
Global distributionFound in western Europe from Norway and the Shetland Isles south to Morocco, the Mediterranean and the Black Sea.
Biogeographic rangeTemperate to warm temperate. Depth rangeLWST to 60 m.
MigratorySeasonal (reproduction)   
Distribution Additional Information

Substratum preferencesBedrock
Crevices / fissures
Caves
Large to very large boulders
Physiographic preferencesEnclosed coast / Embayment
Offshore seabed
Strait / sound
Open coast
Biological zoneCircalittoral Offshore
Lower Circalittoral
Upper Circalittoral
Lower Infralittoral
Upper Infralittoral
Wave exposureModerately Exposed
Exposed
Sheltered
Tidal stream strength/Water flowInsufficient information
SalinityFull (30-40 psu)
Habitat Preferences Additional Information
Distribution References Hayward & Ryland, 1995b, Hayward et al., 1996, Smith et al., 2001, NBN, 2002, JNCC, 1999, Picton & Costello, 1998, Addison & Bannister, 1984, Ingle, 1997, Linnane et al., 2000, Bannister, 1998, Collins et al., 1992,
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismPlanktotrophic
Reproductive SeasonJune to August Reproductive LocationAs adult
Reproductive frequencyAnnual protracted Regeneration potential Yes
Life span11-20 years Age at reproductive maturity6-10 years
Generation timeNot researched FecundityUp to 100,000 or more
Egg/propagule sizeca. 1.5 mm Fertilization typeExternal
Larvae/Juveniles
Larval/Juvenile dispersal potential1km-10km Larval settlement periodInsufficinet information
Duration of larval stage11-30 days   
Reproduction Preferences Additional Information
Reproduction References Agnalt, 2008, Bennett & Howard, 1987, Lizarraga-Cubedo et al., 2003, Addison & Bannister, 1984, Free et al., 1992, Hepper & Gough, 1978, Tully et al., 2001, Beal et al., 2002,
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