Stable Isotope Analysis Revealed Ontogenetic Changes in Trophic Ecology and Migration Patterns of Sepia esculenta in the Northern Coastal Waters of China

7Citations
Citations of this article
5Readers
Mendeley users who have this article in their library.
Get full text

Abstract

Golden cuttlefish (Sepia esculenta), the most economically important cephalopod in the northern coastal seas of China, had experienced greatly reduced population biomass due to continuous fishing pressure in recent decades. Understanding the trophic ecology and clarifying the spatial distribution of wintering ground can help develop management plans for this species. In this study, the ontogenetic changes in the trophic ecology of S. esculenta in the Qingdao coastal water were determined, and the migration patterns were studied using stable isotope analysis. Cluster analysis based on isotopic values divided S. esculenta with different lengths into groups: 11–20, 21–100, and 121–200 mm. A significant difference in the δ13C values between the groups 11–20 mm (−17.10‰) and 21–100 mm (−15.89‰) illustrates an ontogenetic change in the feeding habits. Due to the migratory habits of S. esculenta, the δ13C value of the group 121–200 mm (−16.39‰) was lower than that of the group 21–100 mm. The δ15N values of S. esculenta were found to increase in length, and there was a clear linear relationship between different S. esculenta groups, suggesting that the wintering ground may locate in the same latitude as the spawning ground (i.e., the middle Yellow Sea). Furthermore, the trophic relationship between S. esculenta and coexisting species was assessed, revealing that the group 11–20 mm of S. esculenta has some overlap of carbon isotope space with other species, suggesting that these species may feed on it as prey. Thus, slightly increasing the length to more than 20 mm may reduce the pressure of being the prey of post-release juveniles of S. esculenta and improve the effect of release.

References Powered by Scopus

Using stable isotopes to estimate trophic position: Models, methods, and assumptions

5581Citations
N/AReaders
Get full text

Stable isotopes in ecosystem studies.

4501Citations
N/AReaders
Get full text

Influence of diet on the distribution of nitrogen isotopes in animals

3413Citations
N/AReaders
Get full text

Cited by Powered by Scopus

Trophic ecology of largehead hairtail Trichiurus japonicus in the South Sea of Korea revealed by stable isotope and stomach content analyses

7Citations
N/AReaders
Get full text

Comparative Trophic Levels of Phragmocone-Bearing Cephalopods (Nautiloids, Ammonoids, and Sepiids)

3Citations
N/AReaders
Get full text

Feeding Ecology of Common Squid Todarodes pacificus in the South Sea of Korea Determined through Stable Isotope and Stomach Content Analyses

3Citations
N/AReaders
Get full text

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Cite

CITATION STYLE

APA

Wang, L., Liu, Y., & Zhang, X. (2022). Stable Isotope Analysis Revealed Ontogenetic Changes in Trophic Ecology and Migration Patterns of Sepia esculenta in the Northern Coastal Waters of China. Frontiers in Marine Science, 9. https://doi.org/10.3389/fmars.2022.818088

Readers' Seniority

Tooltip

PhD / Post grad / Masters / Doc 1

100%

Readers' Discipline

Tooltip

Agricultural and Biological Sciences 1

100%

Save time finding and organizing research with Mendeley

Sign up for free