Food effects on statolith composition of the common cuttlefish (Sepia officinalis).

Zumholz, Karsten, Klügel, A., Hansteen, Thor and Piatkowski, Uwe (2006) Food effects on statolith composition of the common cuttlefish (Sepia officinalis). Marine Biology, 150 (2). pp. 237-244. DOI 10.1007/s00227-006-0342-0.

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Abstract

The concentration of trace elements within cephalopod statoliths can provide a record of the environmental characteristics at the time of calcification. To reconstruct accurately the environmental characteristics at the time of calcification, it is important to understand the influence of as many factors as possible. To test the hypothesis that the elemental composition of cuttlefish statoliths could be influenced by diet, juvenile Sepia officinalis were fed either shrimp Crangon sp. or fish Clupea harengus under equal temperature and salinity regimes in laboratory experiments. Element concentrations in different regions of the statoliths (core–lateral dome–rostrum) were determined using laser ablation inductively coupled plasma mass spectrometry (LA- ICPMS). The ratios of Sr/Ca, Ba/Ca, Mn/Ca and Y/Ca in the statolith’s lateral dome of shrimp-fed cuttlefish were significantly higher than in the statolith’s lateral dome of fish-fed cuttlefish. Moreover, significant differences between statolith regions were found for all analysed elements. The fact that diet adds a considerable variation especially to Sr/Ca and Ba/Ca must be taken into account in future micro-chemical statolith studies targeting cephalopod’s life history.

Document Type: Article
Keywords: Inductively Couple Plasma Mass, Spectrometry Elemental, Composition Aragonite, Dietary Effect, Fish Otolith
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-MUHS Magmatic and Hydrothermal Systems
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1007/s00227-006-0342-0
ISSN: 0025-3162
Date Deposited: 03 Dec 2008 16:51
Last Modified: 07 Jun 2018 11:49
URI: http://oceanrep.geomar.de/id/eprint/4630

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