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

Miyake, Yoichi; Itakura, Hikaru; Takeshige, Aigo; Onda, Hiroaki; Yamaguchi, Akira; Yoneta, Akihito; Arai, Kohma; Hane, Yulina V.; Kimura, Shingo

doi:10.1007/s10228-018-0655-2

Cited by 5 publications

(2 citation statements)

References 16 publications

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“…The confirmation of eDNAs of this species in the present study indicates that it is useful for the early detection of exotic species in their low biomass stage. Regarding saltwater and brackish water species, Lateolabrax japonicus and Takifugu alboplumbeus are known to migrate upstream to brackish and freshwater areas [25,39,40]. As for Tridentiger sp.…”

Section: Discussionmentioning

confidence: 99%

Environmental DNA Analysis in a River Detected a Possible Distribution of Fish Species Difficult to Capture

Nakamichi,

Ono,

Hayashi

et al. 2023

Fishes

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Environmental DNA (eDNA) analysis is a biological survey method that has drawn much attention in recent years. However, the results of eDNA analysis and capture surveys often do not completely match, and the validity of the eDNA analysis needs to be verified. Verification of eDNA metabarcoding was conducted in a river in Fukushima Prefecture, Japan, in comparison with capture survey data. Most of the captured species were detected, and 13 uncaptured lineages (two genera and 11 species) were detected in the eDNAs. Some rare species detected in the eDNAs were also identified, including exotic eels and an endangered yet out-of-range bitterling fish. To confirm the validity of the exotic Anguilla spp. detected in eDNAs, mitochondrial Cytb sequencing was performed on captured eel specimens. All eel specimens were sequenced as the native Anguilla japonica, indicating a small biomass of the exotic species difficult to capture. Our results clearly indicated the eDNA analysis as a powerful tool for detecting possible habitats of rare fish species without disturbance to the natural environment.

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Section: Discussionmentioning

confidence: 99%

Environmental DNA Analysis in a River Detected a Possible Distribution of Fish Species Difficult to Capture

Nakamichi,

Ono,

Hayashi

et al. 2023

Fishes

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“…The authors do know that predation has been suggested for Japanese glass eel ( Anguilla japonica ) (Miyake et al ., 2018 ), especially during peaks of migration. In addition, predator fish such as Japanese sea bass ( Lateolabrax latus ) are found near Japanese glass eel accumulations (Miyake et al ., 2019 ) and authors have suggested that glass eel predation is present (Miyake et al ., 2018 ). Predation by perch ( P. fluviatilis ) and pumpkinseed ( Lepomis gibbosus ) on young yellow eel is suggested near eel ladders, but not observed (Drouineau et al ., 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Does tagging transparent fish increase predation risk? A laboratory study with glass eel (Anguilla anguilla) and sea bass (Dicentrarchus labrax)

Griffioen¹,

Janssen

Menke

et al. 2021

Journal of Fish Biology

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Barriers in the estuaries of the rivers prevent the immigration of glass eels (Anguilla anguilla) arriving on the European coast every spring. This leads to an unnatural accumulation of migrating glass eels below the barriers, and this may lead to additional losses in glass eels by piscivorous fish. The proportion of predation losses can be estimated using mark-recapture techniques and abundance estimates in combination with stomach content analysis of piscivorous fish. Nonetheless, whether tagging transparent glass eels increases predation risk and what the digestion rate of glass eel is in piscivorous fish are unknown. This study aimed to determine whether there is an increased predation risk for tagged glass eel; it also studies glass eel digestion status in piscivorous fish after appointed time frames. A laboratory experiment with 48 trials was conducted. Tagged (visible implanted elastomer, VIE) and untagged glass eels were exposed to small (19.1-24.4 cm) and large (31.9-43.5 cm) sea bass (Dicentrarchus labrax) during a 2 h trial. In 48% of the trials, successful predation was present and 13% showed clear predation attempts in which bass did not capture glass eels. No significant difference was found in predation rate between tagged and untagged glass eels and between red and blue tagged glass eels. Large sea bass predated more, but all sizes consumed glass eel under laboratory conditions. Stomach content analysis showed intact glass eel bodies 4-6 h after ending the 2 h trial and parts of glass eel bodies up to 16-18 h. This study showed that tagging does not increase predation in mark-recapture studies using VIE-tags in transparent glass eel.It also shows that the proportion of predation in relation to local glass eel abundance can be estimated if stomach content analysis is conducted within 4-6 h after predation.

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Effect of Pectin Coating Infused with Gallic Acid on the Quality and Shelf Life of Japanese Sea Bass (Lateolabrax japonicas) Fillets

Nie

Gao

Ren

et al. 2019

Food Bioprocess Technol

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

Cited by 5 publications

References 16 publications

Environmental DNA Analysis in a River Detected a Possible Distribution of Fish Species Difficult to Capture

Environmental DNA Analysis in a River Detected a Possible Distribution of Fish Species Difficult to Capture

Does tagging transparent fish increase predation risk? A laboratory study with glass eel (Anguilla anguilla) and sea bass (Dicentrarchus labrax)

Effect of Pectin Coating Infused with Gallic Acid on the Quality and Shelf Life of Japanese Sea Bass (Lateolabrax japonicas) Fillets

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