Tracing Migration Routes of Sepia esculenta in the East China Sea Using ICP-MS and ICP-OES Analysis of Cuttlebone Elemental Signatures

IF 1.7 3区化学 Q4 BIOCHEMICAL RESEARCH METHODS

Rapid Communications in Mass Spectrometry Pub Date : 2025-06-11 DOI:10.1002/rcm.10089

Fang Guo, Guanyu Hu, Zhou Fang, Peiwu Han, Long Chen, Bilin Liu

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引用次数: 0

Abstract

Rationale

Sepia esculenta is a commercially important cephalopod in Chinese coastal waters, exhibiting predictable offshore spawning migrations. Understanding its migratory behavior is critical for sustainable fishery management. Because the cuttlebone records environmental information during the organism's life, elemental profiling presents a promising approach to reconstructing migration routes. This study aimed to investigate spatial variations in cuttlebone elemental composition and identify geochemical markers indicative of migration patterns.

Methods

Cuttlebones of S. esculenta were sectioned into five spatial regions and powdered. Trace elements were quantified using inductively coupled plasma mass spectrometry (ICP-MS, iCAP Q, Thermo Fisher Scientific, USA), while major elements were measured by inductively coupled plasma optical emission spectrometry (ICP-OES, Thermo iCAP 7200 Series, Agilent Technologies, USA). Sea surface temperature (SST) data were retrieved from the Copernicus Marine Service to correlate elemental signatures with environmental conditions.

Results

Ca was confirmed as the dominant element in all regions of the cuttlebone, with significant spatial variability observed in trace element concentrations. Na and Ba exhibited clear environmental correlations and were selected as geochemical indicators for migration inference. The elemental patterns suggest that S. esculenta spawns and hatches in coastal waters, migrates southward under the influence of warm currents, and returns to the central East China Sea for foraging.

Conclusions

This study demonstrates that multi-elemental analysis of cuttlebone, using ICP-MS and ICP-OES, can effectively reconstruct migration routes of cuttlefish. The approach provides a cost-efficient method of tracing marine animal movements and offers valuable insights into the ecological behavior and management of S. esculenta in the East China Sea.

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用ICP-MS和ICP-OES分析海螵蛸元素特征追踪东海褐藻的迁移路线

理论依据：在中国沿海水域中，褐Sepia esculenta是一种重要的商业头足类动物，具有可预测的近海产卵迁徙。了解其洄游行为对可持续渔业管理至关重要。由于海螵蛸记录了生物生命过程中的环境信息，元素图谱为重建迁徙路线提供了一种很有前途的方法。本研究旨在探讨海螵蛸元素组成的空间变化特征，并识别指示海螵蛸迁移模式的地球化学标志。方法将海参海骨切成5个空间区进行粉末处理。微量元素采用电感耦合等离子体质谱法（ICP-MS, iCAP Q, Thermo Fisher Scientific，美国）定量，主要元素采用电感耦合等离子体质谱法（ICP-OES， Thermo iCAP 7200系列，Agilent Technologies，美国）测定。从哥白尼海洋服务中心检索海表温度（SST）数据，将元素特征与环境条件相关联。结果钙在海螵蛸各区域均为优势元素，且各区域微量元素含量存在显著的空间变异性。Na和Ba具有明显的环境相关性，可作为推断迁移的地球化学指标。元素模式表明，沙螺在沿海水域产卵和孵化，在暖流的影响下向南迁徙，返回东海中部觅食。结论利用ICP-MS和ICP-OES对海螵蛸进行多元素分析，可以有效地重建海螵蛸的迁徙路线。该方法为追踪海洋动物的活动提供了一种经济有效的方法，并为研究东海褐藻的生态行为和管理提供了有价值的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Rapid Communications in Mass Spectrometry 化学-分析化学

CiteScore

4.10

自引率

5.00%

发文量

219

审稿时长

2.6 months

期刊介绍： Rapid Communications in Mass Spectrometry is a journal whose aim is the rapid publication of original research results and ideas on all aspects of the science of gas-phase ions; it covers all the associated scientific disciplines. There is no formal limit on paper length ("rapid" is not synonymous with "brief"), but papers should be of a length that is commensurate with the importance and complexity of the results being reported. Contributions may be theoretical or practical in nature; they may deal with methods, techniques and applications, or with the interpretation of results; they may cover any area in science that depends directly on measurements made upon gaseous ions or that is associated with such measurements.