BIOTIC Species Information for Inachus dorsettensis
Researched byRose Edwards Data supplied byMarLIN
Refereed byThis information is not refereed.
Reproduction/Life History
Reproductive typeGonochoristic
 Developmental mechanismPlanktotrophic
Reproductive SeasonAll year round Reproductive LocationInsufficient information
Reproductive frequencyAnnual episodic Regeneration potential No
Life spanInsufficient information Age at reproductive maturityInsufficient information
Generation timeInsufficient information FecundityUp to 5000 eggs
Egg/propagule sizeInsufficient information Fertilization type
Larvae/Juveniles
Larval/Juvenile dispersal potential>10km Larval settlement periodYear round
Duration of larval stage1-2 months   
Reproduction Preferences Additional InformationFemales carry 3 egg batches per year (Fish & Fish, 1996) - as many as five per year have been reported in the Irish Sea (Bryant & Hartnoll, 1995). Only reproduce after terminal moult (Bryant & Hartnoll, 1995). Breeds all year round. In the lab, time taken for larvae to reach megalopae (the settling stage) approx 2-3 weeks and young crabs from planktonic megalopae took between 2 weeks to > one month (Lebour, 1927). Planktonic life 30 days in summer, longer at other times of year.
Reproduction References Fish & Fish, 1996, Bryant & Hartnoll, 1995, Lebour, 1927,
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