Sakamoto, Tatsuya(The HAKUBI Center for Advanced Research) | Activity Database on Education and Research, Kyoto University

Sakamoto, Tatsuya

The HAKUBI Center for Advanced Research Program-Specific Assistant Professor

Last Updated :2026/06/18

Basic Information

Email Address

Email Address
sakamoto.tatsuya.3pkyoto-u.ac.jp

Professional Memberships

THE OCEANOGRAPHIC SOCIETY OF JAPAN

JAPANESE SOCIETY OF FISHERIES OCEANOGRAPHY

Academic Degree

24 Mar. 2016
東京大学修士（農学）

25 Mar. 2019
東京大学博士（農学）

Academic Resume (Undergraduate School/Majors)

東京大学, 農学部フィールド科学専修, 卒業

Research History

From Apr. 2024, To Present
Kyoto University, 白眉センター

From Apr. 2022, To Mar. 2024
Portuguese Institute for the Sea and Atmosphere, 日本学術振興会海外特別研究員

From Apr. 2022, To Mar. 2024
東京大学大気海洋研究所, 海洋科学特定共同研究員

From Apr. 2019, To Mar. 2022
日本学術振興会, 特別研究員PD

From Apr. 2017, To Mar. 2019
日本学術振興会, 特別研究員DC2

Profile

Profile
いわし学者

ID,URL

J-Global ID
201901017832451270

researchmap URL

https://researchmap.jp/Tatoooya

Last Updated :2026/06/18

Research

Research Interests

資源量変動

回遊

水晶体

Simulation of migration

Oxygen Stable Isotope Ratio

Otolith

Sardine

Research Areas

Natural sciences, Atmospheric and hydrospheric science

Papers

Different migration patterns of European anchovy and sardine around Iberian Peninsula revealed by eye lens isotopes
Tatsuya Sakamoto; Susana Garrido
Progress in Oceanography, Jun. 2026, Peer-reviewed, Lead author, Corresponding author

The Staircase Chart: Visualising Vertical and Cross‐Shelf Movements and Dispersal of Early‐Life Fish, Applied to Japanese Jack Mackerel
Tatsuya Sakamoto; Daichi Muto; Motomitsu Takahashi; Chiyuki Sassa; Toyoho Ishimura
Fisheries Oceanography, 29 Apr. 2026, Peer-reviewed, Lead author, Corresponding author

Simple visualization of fish migration history based on high‐resolution otolith δ18O profiles and hydrodynamic models
Tatsuya Sakamoto
Limnology and Oceanography Letters, Feb. 2025, Peer-reviewed, Lead author, Last author, Corresponding author
Access this paper :

Fisheries shocks provide an opportunity to reveal multiple recruitment sources of sardine in the Sea of Japan
Tatsuya Sakamoto; Motomitsu Takahashi; Kotaro Shirai; Tomoya Aono; Toyoho Ishimura
Scientific Reports, 17 Sep. 2024, Peer-reviewed, Lead author, Corresponding author
Access this paper :

Vertical habitat selection of sardine juveniles inferred from oxygen stable isotope of otolith
Tatsuya Sakamoto; Toyoho Ishimura; Tomohiko Matsuura; Motomitsu Takahashi
Fisheries Research, Oct. 2024, Peer-reviewed, Lead author, Corresponding author

Migration patterns of the Japanese sardine in the Sea of Japan by combining the microscale stable isotope analysis of otoliths and an ocean data assimilation model
Tomoya Aono; Tatsuya Sakamoto; Toyoho Ishimura; Motomitsu Takahashi; Tohya Yasuda; Satoshi Kitajima; Kozue Nishida; Takayoshi Matsuura; Akito Ikari; Shin-ichi Ito
Frontiers in Marine Science, 03 Jun. 2024, Peer-reviewed

Geographic, seasonal and ontogenetic variations of δ15N and δ13C of Japanese sardine explained by baseline variations and diverse fish movements
Tatsuya Sakamoto; Taketoshi Kodama; Sachiko Horii; Kazutaka Takahashi; Atsushi Tawa; Yosuke Tanaka; Seiji Ohshmio
Progress in Oceanography, Nov. 2023, Peer-reviewed, Lead author, Corresponding author

Stable isotopes in eye lenses reveal migration and mixing patterns of diamond squid in the western North Pacific and its marginal seas
Tatsuya Sakamoto; Sachiko Horii; Taketoshi Kodama; Kazutaka Takahashi; Atsushi Tawa; Yosuke Tanaka; Seiji Ohshmio
ICES Journal of Marine Science, 29 Sep. 2023, Peer-reviewed, Lead author, Corresponding author

Contrasting life-history responses to climate variability in eastern and western North Pacific sardine populations
Tatsuya Sakamoto; Motomitsu Takahashi; Ming-Tsung Chung; Ryan R. Rykaczewski; Kosei Komatsu; Kotaro Shirai; Toyoho Ishimura; Tomihiko Higuchi
Nature Communications, 16 Oct. 2022, Peer-reviewed, Lead author, Corresponding author
Access this paper :

Growth, reproduction, and feeding habits of striped bonito, Sarda orientalis, in the East China Sea
Seiji Ohshimo; Taketoshi Kodama; Tatsuya Sakamoto; Takeshi Sakai; Mami Saito
REGIONAL STUDIES IN MARINE SCIENCE, Sep. 2022

Impact of squid predation on juvenile fish survival
Motomitsu Takahashi; Tatsuya Sakamoto; Chiyuki Sassa; Mari Yoda
SCIENTIFIC REPORTS, Jul. 2022, Peer-reviewed

New record of bioluminescence in Odontosyllis cf. australiensis (Annelida: Syllidae: Eusyllinae) in Japan
Genki Kobayashi; Tatsuya Sakamoto
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM, Sep. 2021, Peer-reviewed

Otolith δ18O and microstructure analyses provide further evidence of population structure in sardine Sardinops sagax around South Africa
Tatsuya Sakamoto; Carl D van der Lingen; Kotaro Shirai; Toyoho Ishimura; Yonela Geja; James Peterson; Kosei Komatsu
ICES Journal of Marine Science, 30 Aug. 2020, Peer-reviewed, Lead author, Corresponding author

Combining microvolume isotope analysis and numerical simulation to reproduce fish migration history
Sakamoto, Tatsuya; Komatsu, Kosei; Shirai, Kotaro; Higuchi, Tomihiko; Ishimura, Toyoho; Setou, Takashi; Kamimura, Yasuhiro; Watanabe, Chikako; Kawabata, Atsushi
METHODS IN ECOLOGY AND EVOLUTION, Jan. 2019, Peer-reviewed, Lead author, Corresponding author

Temperature dependence of delta O-18 in otolith of juvenile Japanese sardine: Laboratory rearing experiment with micro-scale analysis
Sakamoto, Tatsuya; Komatsu, Kosei; Yoneda, Michio; Ishimura, Toyoho; Higuchi, Tomihiko; Shirai, Kotaro; Kamimura, Yasuhiro; Watanabe, Chikako; Kawabata, Atsushi
Fisheries Research, Oct. 2017, Peer-reviewed, Lead author, Corresponding author

Misc.

水晶体の安定同位体から推定するマイワシの回遊
坂本達也; 坂本達也; 高橋素光; 白井厚太朗; 北島聡; 石村豊穂
日本水産学会大会講演要旨集(CD-ROM), 2024

耳石酸素安定同位体比から推定した日本海におけるマイワシの回遊様式
青野智哉; 青野智哉; 坂本達也; 石村豊穂; 石村豊穂; 高橋素光; 安田十也; 北島聡; 西田梢; 西田梢; 松浦隆義; 碇耀斗; 伊藤進一
水産海洋学会研究発表大会講演要旨集, 2024

高解像度耳石δ¹⁸O分析による東シナ海・日本海マアジの生育環境推定
武藤大知; 坂本達也; 高橋素光; 北島聡; 石村豊穂
水産海洋研究, 2022

Vertical migration of jack mackerel in the East China Sea estimated by high-resolution otolith δ¹⁸O analysis
武藤大知; 坂本達也; 坂本達也; 坂本達也; 高橋素光; 北島聡; 石村豊穂
日本地球化学会年会要旨集(Web), 2022

耳石酸素安定同位体比の高解像度分析による日本海におけるマイワシの回遊経路の推定
青野智哉; 青野智哉; 坂本達也; 石村豊穂; 石村豊穂; 高橋素光; 林晃; 安田十也; 北島聡; 西田梢; 西田梢; 松浦隆義; 碇耀斗; 伊藤進一
水産海洋学会研究発表大会講演要旨集, 2021

水晶体の炭素・窒素安定同位体比によるマイワシの成育海域推定
坂本達也; 高橋素光; 北島聡
水産海洋学会研究発表大会講演要旨集, 2021

A review of issues on elucidation of climate variability impacts on living marine resources and future perspectives
伊藤進一; 船本鉄一郎; 志田修; 上村泰洋; 高橋素光; 白井厚太朗; 樋口富彦; 小松幸生; 横井孝暁; 坂本達也; GUO Chenying; 石村豊穂
海の研究, 15 Jan. 2018

温度飼育実験より得られたマイワシ耳石の酸素・炭素安定同位体比
西田梢; 西田梢; 林晃; 米田道夫; 安田十也; 山岸昴平; 坂本達也; 高橋素光; 石村豊穂
日本地球惑星科学連合大会予稿集(Web), 2018

気候変動が水産資源の変動に与える影響を理解する上での問題点
伊藤進一; 船本鉄一郎; 志田修; 上村泰洋; 高橋素光; 白井厚太朗; 樋口富彦; 小松幸生; 横井孝暁; 坂本達也; GUO Chen‐ying; 石村豊穂
日本海洋学会大会講演要旨集, Sep. 2017

耳石酸素安定同位体比を用いたマアジ稚魚の近底層移行時期推定の試み
榎本めぐみ; 伊藤進一; 高橋素光; 佐々千由紀; 坂本達也; 樋口富彦; 白井厚太朗
水産海洋学会研究発表大会講演要旨集, 2017

耳石のδ¹⁸Oと海洋同化モデルを用いたマイワシの回遊履歴推定
坂本達也; 小松幸生; 小松幸生; 白井厚太朗; 上村泰洋; 渡邊千夏子; 川端淳; 米田道夫; 石村豊穂; 樋口富彦; 瀬藤聡; 清水学
日本海洋学会大会講演要旨集, Mar. 2016

耳石のδ¹⁸Oと海洋同化モデルを用いたマイワシの回遊履歴推定
坂本達也; 小松幸生; 小松幸生; 白井厚太朗; 上村泰洋; 渡邊千夏子; 川端淳; 米田道夫; 石村豊穂; 樋口富彦; 瀬藤聡; 清水学
日本地球惑星科学連合大会予稿集(Web), 2016

Presentations

Different migration patterns of European anchovy and sardine around Iberian Peninsula revealed by eye lens isotopes
Tatsuya Sakamoto; Susana Garrido
Navigating Changes in Small Pelagic Fish and Forage Communities: Climate, Ecosystems, and Sustainable Fisheries, May 2026

Understanding the origin and migration route of Japanese sardine collected off California in 2022 using daily increments and stable isotopes in otoliths
Tatsuya Sakamoto; Emmanis Dorval; Toyoho Ishimura; Shin-ichi Ito; Gary Longo; Matthew Craig; Brad Erisman
PICES 2025 Annual Meeting, Nov. 2025

マイワシを同位体から眺める
坂本達也
2025 年度水産海洋学会研究発表大会シンポジウム生物地球化学タグによる回遊履歴復元学の水産海洋研究への展開, 31 Oct. 2025

イワシの頭も新時代
坂本達也
富山県試験研究機関研究員交流集会, 10 Oct. 2025, Invited

Eye lens isotopes reveal different migration ecology of European anchovy and sardine
Tatsuya Sakamoto; Susana Garrido
PICES 2024 Annual Meeting, Oct. 2024

水晶体の安定同位体から推定するマイワシの回遊
坂本達也; 髙橋素光; 白井厚太朗; 北島聡; 石村豊穂
令和６年度日本水産学会秋季大会, Sep. 2024

Studying marine fish life histories using isotope histories in otoliths and eye lenses
Tatsuya Sakamoto
International Webinar Series for Young Scholars: “Marine Biodiversity: Adaptation, Evolution and Conservation”, Jun. 2024, Invited

Application of eye lens isotopes to infer life-long movements of large oceanic squid (Thysanoteuthis Rhombus)
Tatsuya Sakamoto
7th International Marine Connectivity Conference, May 2024

耳石・水晶体同位体比から見るマイワシの個体数変動機構
坂本達也
東京大学大気海洋研究所共同利用研究集会「黒潮における物理・化学・生物過程：乱流と熱・栄養塩・仔稚魚輸送」, Nov. 2023

Stable isotope ratios in otoliths and eye lenses reveal population connectivity of sardine in the western North Pacific and its marginal seas
Tatsuya Sakamoto; Amélie Simon; Kotaro Shirai
7th International Otolith Symposium in Chile 2023, Oct. 2023

Consideration of the population dynamics of sardines in the western and eastern North Pacific on the basis of isotope chronologies
Tatsuya Sakamoto
PICES 2023 Annual Meeting, Oct. 2023, Invited

Potential impact of marine heatwave on population structure of sardine in the western North Pacific and its marginal seas
Tatsuya Sakamoto; Amélie Simon; Kotaro Shirai
Symposium on Human Impacts on Marine Functional Connectivity, May 2023

黒潮流路の変動がマイワシの初期生残に与える影響の再考
坂本達也; 田中雄大; 髙橋素光
2022年度水産海洋学会研究発表大会, Nov. 2022

Contrasting life-history responses to climate variability in eastern and western North Pacific sardine populations
Tatsuya Sakamoto; Motomitsu Takahashi; Ming-Tsung Chung; Ryan R. Rykaczewski; Kosei Komatsu; Kotaro Shirai; Toyoho Ishimura; Tomihiko Higuchi
Small Pelagic Fish: New Frontiers in Science for Sustainable Management, Nov. 2022

耳石のδ18O分析と海洋同化モデルを用いた小型浮魚類の回遊経路推定
坂本達也
第 4 回海と漁業と生態系に関する研究集会海洋モデルデータの水産・海洋研究への活用, Feb. 2022

日本海におけるマイワシ新規加入群は複数の成育場から来遊する
九州・沖縄地区合同シンポジウム2021「海洋学・生物地球化学と水産資源研究の融合に向けて」, Nov. 2021

水晶体の炭素・窒素安定同位体比によるマイワシの成育海域推定
坂本達也; 髙橋素光; 北島聡
2021年度水産海洋学会研究発表大会, Nov. 2021

耳石と水晶体の同位体比を用いたマイワシの回遊履歴推定
坂本達也
東京大学大気海洋研究所共同利用研究集会「海洋生態履歴復元学：地球化学・行動モデル・生態学の融合にむけて」, Sep. 2021

海域横断マイワシ研究
坂本達也
海洋生物シンポジウム2021, Mar. 2021, Invited

耳石のδ18O分析と回遊モデルを用いた成層の強い海域におけるマイワシの回遊経路推定
坂本達也
2020年度水産学会シンポジウム「多元素同位体を用いた魚類の移動履歴推定－最新の技術と応用」, Mar. 2020

分野横断的マイワシ研究
坂本達也
海洋生物シンポジウム2020, Mar. 2020, Invited

耳石酸素安定同位体比分析と数値計算の融合による魚類回遊経路の推定
坂本達也
2019年度海洋生態系モデリングシンポジウム, Nov. 2019

耳石の酸素安定同位体比が、マイワシの回遊、成長について語ること
坂本達也
東京大学大気海洋研究所共同利用研究集会：変化拡大するマイワシ資源, Nov. 2018

Combining otolith isotope data and individual based migration model to reproduce fish migration
Tatsuya Sakamoto
1st International Telemetry Group (InTel) Workshop, Nov. 2018, Invited

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata; Michio Yoneda; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Manabu Shimizu
2018 Pacific Transitional Areas Symposium, Apr. 2018

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata; Michio Yoneda; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Manabu Shimizu
6th International Otolith Symposium in Taiwan 2018, Apr. 2018

カリフォルニアマイワシの仔稚魚期の回遊と水温－成長関係
坂本達也; 小松幸生; 髙橋素光; 樋口富彦; 白井厚太朗; 石村豊穂
2017年度水産海洋学会研究発表大会, Nov. 2017

A scheme to reproduce migration history of the Japanese sardine; combination use of otolith d18O and an individual-based migration model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata
Japan Geoscience Union Meeting 2018, May 2017

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto, Kosei Komatsu, Kotaro Shirai, Yasuhiro Kamimura, Chikako Watanabe, Atsushi Kawabata, Michio Yoneda, Toyoho Ishimura, Tomihiko Higuchi, Takashi Setou, Manabu Shimizu
JpGU Annual Meetings in 2017, May 2017, Invited

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata; Michio Yoneda; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Manabu Shimiz
Drivers of dynamics of small pelagic resources, Mar. 2017

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata; Michio Yoneda; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Manabu Shimizu
JpGU Annual Meetings in 2016, May 2016

耳石のδ18Oと海洋同化モデルを用いたマイワシの回遊履歴推定」
坂本達也; 小松幸生; 白井厚太朗; 上村泰洋; 渡邊千夏子; 川端淳; 米田道夫; 石村豊穂; 樋口富彦; 瀬藤聡; 清水学
日本海洋学会2016年度春季大会, Mar. 2016

耳石の酸素安定同位体比を用いたマイワシの稚魚期経験水温推定
坂本達也; 小松幸生; 白井厚太朗; 上村泰洋; 渡邊千夏子; 川端淳; 瀬藤聡; 清水学
2015年度水産海洋学会研究発表大会, Nov. 2015

Reproducing migration history of Japanese sardine using otolith δ18O and a data assimilation model
Tatsuya Sakamoto; Kosei Komatsu; Kotaro Shirai; Yasuhiro Kamimura; Chikako Watanabe; Atsushi Kawabata; Michio Yoneda; Toyoho Ishimura; Tomihiko Higuchi; Takashi Setou; Manabu Shimizu
AORI-SIO Symposium for Building Strategic Partnership, Oct. 2015

浜名湖における夏の成層が律速栄養塩に与える影響
坂本達也; 岡本研
浜名湖をめぐる研究者の会第22回ワークショップ, Dec. 2013

Awards

04 Oct. 2016
Best Poster Presentation(AORI-SIO Symposium for Building Strategic Partnership)

19 Nov. 2017
若手優秀講演賞（水産海洋学会）

25 Mar. 2019
研究科長賞（東京大学農学生命科学研究科）

20 Apr. 2018
The Award of Best Student Oral Presentation（International Otolith Symposium）

12 Mar. 2016
ベストポスター賞（新学術領域OMIX全体会議）

11 Mar. 2017
Best ECS Presentation Award（PICES International Symposium）

04 Feb. 2021
井上研究奨励賞（井上科学振興財団）

27 Mar. 2016
若手優秀発表賞（日本海洋学会）

27 Oct. 2023
Best oral presentation（The North Pacific Marine Science Organization）

Media Coverage

マアジ稚魚の移動可視化資源変動の解明に寄与か京都大、水産研究・教育機構など
日刊水産経済新聞, May 2026, Paper

なんだこりゃ!!東京の海イワシ大集結
NHK, ダーウィンが来た！, Jul. 2024

年輪模様「魚の日記」
読売新聞, Apr. 2024

鉄腕DASHとコラボで調査！海の大異変
NHK, ダーウィンが来た！, Mar. 2023

サケ、骨に「旅の記録」解析方法、ウナギ養殖に活用も
日本経済新聞, May 2020

（ユリイカ！）魚の旅路、耳石で推定
朝日新聞, Oct. 2018, Paper

External funds: Kakenhi

最先端複合化学分析で明らかにするイカ類回遊生態：環境変動応答の理解の深化に向けて
Grant-in-Aid for Scientific Research (A)
Medium-sized Section 40:Forestry and forest products science, applied aquatic science, and related fields
Kyoto University
石村豊穂
From 01 Apr. 2024, To 31 Mar. 2028, Granted
回遊生態解析;安定同位体;スルメイカ;微量分析;多元素分析
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24H00523/

旅するイワシ類は海洋間の物質循環の鍵を握るのか？高度同位体分析による追跡
Grant-in-Aid for Scientific Research (B)
Basic Section 40030:Aquatic bioproduction science-related
Kyoto University;The University of Tokyo
坂本達也
From 01 Apr. 2024, To 31 Mar. 2027, Granted
マイワシ;カタクチイワシ;安定同位体比;水晶体;耳石;回遊;個体群構造
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K26981/

旅するイワシ類は海洋間の物質循環の鍵を握るのか？高度同位体分析による追跡
Grant-in-Aid for Scientific Research (B)
Basic Section 40030:Aquatic bioproduction science-related
The University of Tokyo
坂本達也
From 01 Apr. 2023, To 31 Mar. 2027, Granted
マイワシ;カタクチイワシ;安定同位体比;水晶体;耳石
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23H02288/

Life-history reconstruction in marine animals: Transdisciplinary approach of geochemistry, physical oceanography, and ecology
Grant-in-Aid for Transformative Research Areas (B)
Transformative Research Areas, Section (II)
The University of Tokyo
Kotaro Shirai
From 20 May 2022, To 31 Mar. 2025, Project Closed
同位体;回遊指標;代謝指標;食性指標;地球化学
https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-22H05028/

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