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" (873,864 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 :2
Olaf LF Weyl
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
Metrics
H-Index
i10 Index
Citation
53
208
9,538
* Rankings
Ranking Based On Selection :8
Albert Chakona
Biogeography
Phylogeography
Systematics
Conservation
Freshwater taxa
Metrics
H-Index
i10 Index
Citation
18
33
986
* Rankings
Ranking Based On Selection :16
Mandla L Magoro
Biology
Estuarine ecology
Environmental science
Invasion Biology
Conservation biology
Metrics
H-Index
i10 Index
Citation
9
9
398
* Rankings
Ranking Based On Selection :17
Lizaan De Necker
Freshwater ecology
Biodiversity
Aquatic invertebrates
Stable isotope analysis
Metrics
H-Index
i10 Index
Citation
8
8
184
* Rankings
Ranking Based On Selection :18
Kerry-Ann Van Der Walt
ecophysiology
estuarine ecology
rocky shore ecology
climate change
ecological engineering
Metrics
H-Index
i10 Index
Citation
8
8
131
* Rankings
Ranking Based On Selection :20
Lubabalo Mofu
Invasion biology
Fish biology
Conservation biology
Freshwater ecology
Metrics
H-Index
i10 Index
Citation
7
5
147
Rankings
Ranking Based On Selection: 1
Whitfield, AK
Metrics
H-Index
i10 Index
Citation Counts
78
222
19,851
Rankings
Ranking Based On Selection: 2
Olaf LF Weyl
Metrics
H-Index
i10 Index
Citation Counts
53
208
9,538
Inland Fisheries
Fish Biology
Freshwater Ecology
Invasion Ecology
Rankings
Ranking Based On Selection: 3
PD Cowley
Metrics
H-Index
i10 Index
Citation Counts
49
134
8,290
Rankings
Ranking Based On Selection: 5
Francesca Porri
Metrics
H-Index
i10 Index
Citation Counts
25
46
1,962
Rankings
Ranking Based On Selection: 6
John David Filmalter
Metrics
H-Index
i10 Index
Citation Counts
21
32
1,907
Rankings
Ranking Based On Selection: 7
Gavin Gouws
Metrics
H-Index
i10 Index
Citation Counts
20
36
1,257
Rankings
Ranking Based On Selection: 8
Albert Chakona
Metrics
H-Index
i10 Index
Citation Counts
18
33
986
Biogeography
Phylogeography
Systematics
Conservation
Freshwater taxa
Rankings
Ranking Based On Selection: 9
Angus Paterson
Metrics
H-Index
i10 Index
Citation Counts
18
23
1,143
Rankings
Ranking Based On Selection: 10
Sean M. Marr
Metrics
H-Index
i10 Index
Citation Counts
17
25
1,211
Freshwater fish conservation
ecology
bioaccumulation
Rankings
Ranking Based On Selection: 11
Josephine Pegg
Metrics
H-Index
i10 Index
Citation Counts
17
20
962
Fisheries science
Freshwater ecology
Conservation science
Rankings
Ranking Based On Selection: 12
Anthony Thomas Firth Bernard
Metrics
H-Index
i10 Index
Citation Counts
16
21
3,283
Rankings
Ranking Based On Selection: 13
Errol Wiles
Metrics
H-Index
i10 Index
Citation Counts
13
15
399
Rankings
Ranking Based On Selection: 15
Taryn S. Murray
Metrics
H-Index
i10 Index
Citation Counts
10
10
290
Rankings
Ranking Based On Selection: 16
Mandla L Magoro
Metrics
H-Index
i10 Index
Citation Counts
9
9
398
Biology
Estuarine ecology
Environmental science
Invasion Biology
Conservation biology
Rankings
Ranking Based On Selection: 17
Lizaan De Necker
Metrics
H-Index
i10 Index
Citation Counts
8
8
184
Freshwater ecology
Biodiversity
Aquatic invertebrates
Stable isotope analysis
Rankings
Ranking Based On Selection: 18
Kerry-Ann Van Der Walt
Metrics
H-Index
i10 Index
Citation Counts
8
8
131
ecophysiology
estuarine ecology
rocky shore ecology
climate change
ecological engineering
Rankings
Ranking Based On Selection: 19
Chantel Elston
Metrics
H-Index
i10 Index
Citation Counts
7
6
123
Rankings
Ranking Based On Selection: 20
Lubabalo Mofu
Metrics
H-Index
i10 Index
Citation Counts
7
5
147
Invasion biology
Fish biology
Conservation biology
Freshwater ecology
Rankings
Ranking Based On Selection: 21
Willem Coetzer
Metrics
H-Index
i10 Index
Citation Counts
7
6
249
Rankings
Ranking Based On Selection: 22
Carla Edworthy
Metrics
H-Index
i10 Index
Citation Counts
6
3
93
ichthyology
eco-physiology
ocean acidification
Rankings
Ranking Based On Selection: 23
Daniel Nkosinathi Mazungula
Metrics
H-Index
i10 Index
Citation Counts
6
5
129
Systematics
Freshwater
Conservation
Rankings
Ranking Based On Selection: 24
Matthew C. Parkinson
Metrics
H-Index
i10 Index
Citation Counts
5
4
124
Rankings
Ranking Based On Selection: 25
Phakama Nodo
Metrics
H-Index
i10 Index
Citation Counts
4
2
51
Rankings
Ranking Based On Selection: 26
Aquatic ecology
fishery sciences
invasion ecology
biodiversity and conservation ecology
Rankings
Ranking Based On Selection: 27
Craig Rennie
Metrics
H-Index
i10 Index
Citation Counts
2
1
24
Rankings
Ranking Based On Selection: 28
Vivienne Dames
Metrics
H-Index
i10 Index
Citation Counts
2
1
22
Rankings
Ranking Based On Selection: 29
Angus John Van Wyk
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Non-destructive fisheries and ecosystem monitoring technologies
Rankings
Ranking Based On Selection: 30
Yonela Sithole
Metrics
H-Index
i10 Index
Citation Counts
1
1
14