Institute of Oceanology, Polish Academy of Sciences, Sopot
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Last updated
14 March 2008
Southampton Oceanography Centre
Southern Ocean list > Conchoecilla daphnoides > Notes
Conchoecilla daphnoides
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Conchoecilla daphnoides Claus, 1870
Records: 446
 
This is a highly characteristic species in which both the rostral processes and the posterior dorsal corners of both valves of the carapace are greatly extended. Two subspecies have been described based on size differences, but published reports seldom differentiate between them. By day it is a deep to shallow mesopelagic species that undertakes diel migrations to the base of the epipelagic zone and sometimes well up into the wind-mixed layer. It is a widespread species, but has not been reported from south of the Subantarctic Front.
 
Azores Front n Mean mm s.d. Range mm
Females 64 4.89 0.220 4.40-5.36
Males 37 2.90 0.094 2.76-3.16
A-1 15 2.99 0.176 2.72-3.32
A-2 3 1.99 0.041 1.94-2.04
A-3 12 1.60 0.043 1.48-1.68
A-4 6 0.91 0.038 0.86-0.96