Reproductive strategies in female polar and deep-sea bobtail squid genera <Emphasis Type="Italic">Rossia</Emphasis> and <Emphasis Type="Italic">Neorossia</Emphasis> (Cephalopoda: Sepiolidae) |
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| Authors: | V V Laptikhovsky Ch M Nigmatullin H J T Hoving B Onsoy A Salman K Zumholz G A Shevtsov |
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| Institution: | 1.Falkland Islands Fisheries Department,Stanley,Falkland Islands;2.AtlantNIRO,5 Dm.Donskoy,St Kaliningrad,Russia;3.CEES, Ocean Ecosystems,University of Groningen,Haren,The Netherlands;4.Fisheries Faculty,Mugla University,Kotekli,Turkey;5.Faculty of Fisheries,Ege University,Bornova,Turkey;6.Leibniz-Institute of Marine Sciences, IFM-GEOMAR,Kiel,Germany;7.TINRO-Centre,Vladivostok,Russia |
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| Abstract: | Female reproductive features have been investigated in five polar and deep-sea bobtail squid genera Rossia and Neorossia (R. macrosoma, R. moelleri, R. pacifica, N.c. caroli and N.c. jeannae). These species are characterized by asynchronous ovary maturation, very large eggs (>10% ML), fecundity of several hundred
oocytes, very high reproductive output, and continuous spawning with low batch fecundity. This adaptive complex of reproductive
traits evolved in these small animals as an optimum strategy for polar and deep-water habitats. |
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| Keywords: | Neorossia Rossia Spawning Reproduction Polar Deep-sea |
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