BIOTIC Species Information for Callianassa subterranea
Researched byLizzie Tyler Data supplied byUniversity of Sheffield
Refereed byThis information is not refereed.
Reproduction/Life History
Reproductive typeGonochoristic
Developmental mechanismPlanktotrophic
Reproductive SeasonSpring and summer Reproductive LocationAs adult
Reproductive frequencyBiannual episodic Regeneration potential No
Life span1-2 years Age at reproductive maturity1 year
Generation timeInsufficient information Fecundity
Egg/propagule size Fertilization typeInsufficient information
Larval/Juvenile dispersal potential>10km Larval settlement periodInsufficient information
Duration of larval stage1-2 months   
Reproduction Preferences Additional Information
  • Female Callianassa subterranea brood eggs on their pleopods.
  • Most sexually mature females collected from the southern North Sea were ovigerous in July and August suggesting a summer breeding season for Callianassa subterranea. The proportion of ovigerous females declined during April and September, and no females with eggs were collected in October (Rowden & Jones, 1994). Approximately one month after the peak occurrence of ovigerous females, post larval abundance is highest, implying that newly-hatched larvae have about four weeks in the plankton before being recruited to the benthic population. However, post larvae were also relatively abundant in April which supports evidence from Witbaard & Duineveld (1989) of a double reproductive cycle. Large or old females (9 mm carapace length, 2 years old) were ovigerous in February and post larvae common in April. Lindley (1987) found no Callianassa subterranea larvae in the North Sea plankton for late winter or early spring which also supports the suggestion of a double reproductive cycle. However, Rowden & Jones (1994) suggest that the absence of larvae between the two peaks may be because Callianassa subterranea adopts an alternative life-history strategy of direct benthic development during this period. Such benthic larval development has been observed for Callianassa kraussi in South Africa
  • Rowden & Jones (1995) observed the influence of the sex of Callianassa subterranea upon burrow structure. Resin casts of burrows produced by females had consistently fewer surface openings than those of males. The reason for this difference is unknown.
Reproduction References Rowden & Jones, 1994, Witbaard & Duineveld, 1989, Lindley, 1987, Rowden & Jones, 1995, Julie Bremner, unpub data,
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