Multiple habitat use of Japanese sea bass Lateolabrax japonicus in the estuary region of the Tone River system, implied by stable isotope analysis

Japanese sea bass Lateolabrax japonicus is a euryhaline fish species. The present study aimed to elucidate their habitat use in the estuary region of the Tone River system in Japan through stable isotope analysis. Carbon and nitrogen stable isotope ratios of muscle tissues of 74 specimens were group...

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Bibliographic Details
Published in:Ichthyological research 2019-01, Vol.66 (1), p.172-176
Main Authors: Miyake, Yoichi, Itakura, Hikaru, Takeshige, Aigo, Onda, Hiroaki, Yamaguchi, Akira, Yoneta, Akihito, Arai, Kohma, Hane, Yulina V., Kimura, Shingo
Format: Article
Language:English
Subjects:
Animal Systematics/Taxonomy/Biogeography
Biomedical and Life Sciences
Ecology
Estuaries
Estuarine dynamics
Euryhalinity
Fish
Freshwater & Marine Ecology
Habitat selection
Habitat utilization
Habitats
Lateolabrax japonicus
Life Sciences
Marine fishes
Ratios
Rivers
Saline water
Short Report
Stable isotopes
Tissue
Zoology
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Summary:Japanese sea bass Lateolabrax japonicus is a euryhaline fish species. The present study aimed to elucidate their habitat use in the estuary region of the Tone River system in Japan through stable isotope analysis. Carbon and nitrogen stable isotope ratios of muscle tissues of 74 specimens were grouped by hierarchical cluster analysis and were compared with body sizes. The results suggested that Japanese sea bass has multiple groups of habitat use (brackish and saltwater) within the estuary region and can distribute in the brackish part of the river during winter.
ISSN:1341-8998
1616-3915
DOI:10.1007/s10228-018-0655-2