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Article
Coastal water temperature difference, a potential predictor of glass eel recruitment in Anguilla japonica during non-meander periods of the Kuroshio
Predictability of glass eel recruitment of Japanese eel (Anguilla japonica) was examined with a simple indicator constructed using coastal water temperature under the influence of the western boundary current, th...
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Chapter
Behavior
In contrast to the large-scale oceanic migration between spawning grounds in the open ocean and continental habitats, eels exhibit sedentary behavior in rivers, lakes, and estuaries, where they spend a large p...
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Article
Environmental influences on late-summer individual Japanese eel diel activity and space utilization patterns in a shallow western Japan brackish lake
The late-summer diel activity patterns and space utilization of five Japanese eels, Anguilla japonica, were investigated using an acoustic telemetry positioning system in a shallow brackish lake in western Japan....
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Article
Past and lost influence of the Kuroshio on estuarine recruitment of Anguilla japonica glass eels
The present study aims to reveal the influence of path fluctuations of the western boundary current (Kuroshio) and other regional environmental factors on coastal recruitment of transported organisms. As a mod...
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Article
Open AccessAnguillid eels as a surrogate species for conservation of freshwater biodiversity in Japan
To monitor and manage biodiversity, surrogate species (i.e., indicator, umbrella and flagship species) have been proposed where conservation resources are focused on a limited number of focal organisms. Using ...
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Article
Anthropogenic impacts on the distribution of wild and cultured Japanese eels in the Tone River watershed, Japan, from otolith oxygen and carbon stable isotopic composition
Effective management decisions are vital for the declining Japanese eel Anguilla japonica. Elucidating the distribution range of wild eels (i.e., naturally recruited individuals) represents the first step in reso...
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Article
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...
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Article
Correction to: Predation on glass eels of Japanese eel Anguilla japonica in the Tone River Estuary, Japan
In the original publication fig.1 is incorrectly published.
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Article
Predation on glass eels of Japanese eel Anguilla japonica in the Tone River Estuary, Japan
Aquaculture of Japanese eel Anguilla japonica relies upon the natural recruitment of their glass eels (juveniles); however, predation that could influence glass eel recruitment remains unknown. In the present stu...
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Article
Depletion of naturally recruited wild Japanese eels in Okayama, Japan, revealed by otolith stable isotope ratios and abundance indices
To investigate the population dynamics of naturally recruited wild Japanese eels, fisheries data of wild individuals in Okayama Prefecture were investigated as a case study. Wild and stocked eels were discrimi...
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Article
Discovering the dominance of the non-native European eel in the upper reaches of the Tone River system, Japan
To investigate the presence of non-native anguillid eels in Japanese waters, 141 eels were collected from seven sampling sites throughout the Tone River system. Genetic species identification showed an extraor...
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Article
Feeding, condition, and abundance of Japanese eels from natural and revetment habitats in the Tone River, Japan
The rivers and lakes of Japan have had a wide range of shoreline modifications for flood control and stabilization, but the effects of this on the ecology of Japanese eels, Anguilla japonica, is not known. To cla...
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Article
Declines in catches of Japanese eels in rivers and lakes across Japan: Have river and lake modifications reduced fishery catches?
Catches and recruitment of the Japanese eel, Anguilla japonica, have declined for unknown reasons in recent decades, so examination of possible factors contributing to the declines is needed for resource manageme...
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Article
Genetic identification and morphology of naturally spawned eggs of the Japanese eel Anguilla japonica collected in the western North Pacific
Eggs of the Japanese eel Anguilla japonica collected in the western North Pacific were identified by onboard species-specific polymerase chain reaction (PCR) and DNA nucleotide sequencing after the cruise. Fish e...