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Vol. 51 No. 6, 2012
Geographical Variations in the Chemical Compositions of Veined Squid Loligo forbesi Statoliths
Chia-Hui Wang1,*, Audrey J. Geffen2,3, and Richard D.M. Nash
1Department
of Environmental Biology and Fisheries Science, National Taiwan Ocean
University, 2 Pei-Ning Road, Keelung 202, Taiwan
2Department of Biology, University of Bergen, P.O. Box 7803, Bergen 5020, Norway
3Institute of Marine Research, P.O. Box 1870 Nordnes, Bergen 5817, Norway
Chia-Hui Wang, Audrey J. Geffen, and Richard D.M. Nash (2012) The chemical composition of statoliths of the veined squid Loligo forbesi Steenstrup
(Cephalopoda: Loliginidae) was analyzed by inductively coupled
plasma-mass spectrometry (ICP-MS) to determine geographical
differences. Statolith samples from the North Sea and Irish Sea
were collected, and samples of 2 consecutive years from the Irish Sea
were also included in the analyses to test temporal stability of the
statolith chemical composition. Seven trace elements were
detected, including strontium, barium, lithium, lead, manganese,
nickel, and cobalt, in decreasing order of abundance. The
elemental compositions of the statoliths significantly differed among
sampling areas, and no significant difference in chemical composition
was found between the 2 consecutive yearly Irish Sea samples.
Key words: Statolith, Chemical composition, Geographical variation, Squid, ICP-MS.
*Correspondence: Tel: 886-2-24622192 ext. 5029. Fax: 886-2-24633920. E-mail:chwang99@mail.ntou.edu.tw
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