Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (937,843 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Kenji Saitoh
ichthyology
fisheries
molecular phylogeny
aquatic biology
freshwater fish
Metrics
H-Index
i10 Index
Citation
36
68
6,021
* Rankings
Ranking Based On Selection: 5
Shoichiro Yamamoto
salmonids
population genetics
fisheries
conservation biology
conservation genetics
Metrics
H-Index
i10 Index
Citation
28
62
3,337
* Rankings
Ranking Based On Selection: 7
Hideki Takami
Fisheries
Marine biology
Larval ecology
Benthic invertebrates
Metrics
H-Index
i10 Index
Citation
26
43
1,934

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* Rankings
Ranking Based On Selection: 11
入路光雄
reproductive physiology on fish
endocrinology
reproductive biology of fish
aquaculture
Metrics
H-Index
i10 Index
Citation
21
27
981
* Rankings
Ranking Based On Selection: 14
Junichi Okuyama
Biologging
sea turtle
grouper
behavioral ecology
diving physiology
Metrics
H-Index
i10 Index
Citation
18
23
813
Rankings
Ranking Based On Selection: 1
Seinen Chow
Metrics
H-Index
i10 Index
Citation Counts
40
99
5,556
Rankings
Ranking Based On Selection: 3
Kenji Saitoh
Metrics
H-Index
i10 Index
Citation Counts
36
68
6,021
ichthyology
fisheries
molecular phylogeny
aquatic biology
freshwater fish
Rankings
Ranking Based On Selection: 4
Seiji Ohshimo
Metrics
H-Index
i10 Index
Citation Counts
32
76
2,764
Rankings
Ranking Based On Selection: 5
Shoichiro Yamamoto
Metrics
H-Index
i10 Index
Citation Counts
28
62
3,337
salmonids
population genetics
fisheries
conservation biology
conservation genetics
Rankings
Ranking Based On Selection: 6
Hiroshi Okamura
Metrics
H-Index
i10 Index
Citation Counts
27
59
2,195
Rankings
Ranking Based On Selection: 7
Hideki Takami
Metrics
H-Index
i10 Index
Citation Counts
26
43
1,934
Fisheries
Marine biology
Larval ecology
Benthic invertebrates
Rankings
Ranking Based On Selection: 8
Kazuharu Nomura
Metrics
H-Index
i10 Index
Citation Counts
23
43
2,291
Japanese eel
selective breeding
genomic selection
Rankings
Ranking Based On Selection: 9
Hideaki Kidokoro
Metrics
H-Index
i10 Index
Citation Counts
22
31
1,933
水産資源 海洋生物 気候変動

Maximize your institution's potential with our 360° Institutional Analysis Subscription and Institutional Exclusive Package, offering comprehensive insights and strategic advantages.

Rankings
Ranking Based On Selection: 11
入路光雄
Metrics
H-Index
i10 Index
Citation Counts
21
27
981
reproductive physiology on fish
endocrinology
reproductive biology of fish
aquaculture
Rankings
Ranking Based On Selection: 12
Tamaki Shimose
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,075
Ichthyology
Fish Biology
Fisheries Biology
Rankings
Ranking Based On Selection: 13
Kazuki Yokouchi
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,169
Rankings
Ranking Based On Selection: 14
Junichi Okuyama
Metrics
H-Index
i10 Index
Citation Counts
18
23
813
Biologging
sea turtle
grouper
behavioral ecology
diving physiology
Rankings
Ranking Based On Selection: 15
Jun-İchi Tsuboi
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,040
Rankings
Ranking Based On Selection: 16
Hiroshige Tanaka
Metrics
H-Index
i10 Index
Citation Counts
17
23
908
Rankings
Ranking Based On Selection: 17
Momoko Ichinokawa
Metrics
H-Index
i10 Index
Citation Counts
16
18
655
Rankings
Ranking Based On Selection: 18
Keisuke Satoh
Metrics
H-Index
i10 Index
Citation Counts
16
23
1,075
Rankings
Ranking Based On Selection: 20
Nobuto Fukuda
Metrics
H-Index
i10 Index
Citation Counts
13
14
640
Rankings
Ranking Based On Selection: 21
Yoshitsugu Masuda
Metrics
H-Index
i10 Index
Citation Counts
13
16
544
Rankings
Ranking Based On Selection: 22
Hiroki Wakamatsu
Metrics
H-Index
i10 Index
Citation Counts
11
12
659
Rankings
Ranking Based On Selection: 23
Shigeru Kawamata
Metrics
H-Index
i10 Index
Citation Counts
9
9
475
Rocky community ecology
coastal engineering
hydrodynamics
Rankings
Ranking Based On Selection: 24
Sho Furuichi
Metrics
H-Index
i10 Index
Citation Counts
8
5
216
Rankings
Ranking Based On Selection: 25
Tetsuya Sanda
Metrics
H-Index
i10 Index
Citation Counts
8
7
212
Rankings
Ranking Based On Selection: 26
Yuki Kanamori
Metrics
H-Index
i10 Index
Citation Counts
7
2
123
Rankings
Ranking Based On Selection: 27
Hiroki Sasaki
Metrics
H-Index
i10 Index
Citation Counts
6
3
106
Behavioral Economics
Agricultural and Resource Economics
Rankings
Ranking Based On Selection: 28
Tomoki Maeda
Metrics
H-Index
i10 Index
Citation Counts
4
3
75
comparative immunology
evolution
fish pathology
Rankings
Ranking Based On Selection: 29
大関芳沖
Metrics
H-Index
i10 Index
Citation Counts
4
1
121
Rankings
Ranking Based On Selection: 31
Atomu Nitta
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
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