World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
34
Citations
4854
World Ranking
1851
National Ranking
18

Ecology and Evolution

D-Index
34
Citations
4974
World Ranking
7579
National Ranking
89

Nico J. Smit publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Nico J. Smit sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 245 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Nico J. Smit D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Nico J. Smit sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 34 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Overview

Nico J. Smit is a researcher affiliated with North-West University in South Africa. Their work focuses predominantly on Environmental Science, with particular expertise in Ecology, Parasitology, Health, Toxicology and Mutagenesis, Nature and Landscape Conservation, and Aquatic Science. Their research has contributed extensively to the understanding of parasite biology, host interactions, and aquatic ecosystem health.

Their research topics include:

  • Parasite Biology and Host Interactions
  • Parasites and Host Interactions
  • Fish Biology and Ecology Studies
  • Environmental Toxicology and Ecotoxicology
  • Helminth infection and control
  • Ichthyology and Marine Biology
  • Aquatic Invertebrate Ecology and Behavior

Nico J. Smit has authored and contributed to a number of scientific papers published in several notable journals. Recent papers include:

  • "Bridging the gap: aquatic parasites in the One Health concept," 2021, published in Trends in Parasitology
  • "The role of fish helminth parasites in monitoring metal pollution in aquatic ecosystems: a case study in the world's most productive platinum mining region," 2020, published in Parasitology Research
  • "A diversity and functional approach to evaluate the macroinvertebrate responses to multiple stressors in a small subtropical austral river," 2021, published in Ecological Indicators
  • "High parasite diversity in a neglected host: larval trematodes of Bithynia tentaculata in Central Europe," 2020, published in Journal of Helminthology
  • "Bioaccumulation and trophic transfer of total mercury through the aquatic food webs of an African sub-tropical wetland system," 2023, published in The Science of The Total Environment

Their frequent co-authors include:

  • Victor Wepener
  • Kerry A. Hadfield
  • Bernd Sures
  • Marliese Truter
  • Johannes H. Erasmus

Nico J. Smit's publications regularly appear in these journals, which indicate their focus and preferred venues for disseminating research:

  • International Journal for Parasitology Parasites and Wildlife
  • Parasitology
  • Trends in Parasitology
  • Systematic Parasitology
  • Folia Parasitologica

Best Publications

  • Global diversity of fish parasitic isopod crustaceans of the family Cymothoidae

    Nico J. Smit;Niel L. Bruce;Kerry A. Hadfield

  • The curious life-style of the parasitic stages of Gnathiid isopods.

    N.J. Smit;A.J. Davies

  • Bioaccumulation and human health risk assessment of DDT and other organochlorine pesticides in an apex aquatic predator from a premier conservation area.

    Ruan Gerber;Nico J. Smit;Johan H.J. Van Vuren;Shouta M.M. Nakayama

  • A histology-based fish health assessment of four commercially and ecologically important species from the Okavango Delta panhandle, Botswana.

    J C van Dyk;M J Marchand;N J Smit;G M Pieterse

  • The life cycle of haemogregarina bigemina (Adeleina: Haemogregarinidae) in South African hosts.

    Angela J. Davies;Nico J. Smit

  • The butterfly effect: parasite diversity, environment, and emerging disease in aquatic wildlife.

    Robert D. Adlard;Terrence L. Miller;Nico J. Smit

  • Life cycle of the temporary fish parasite, Gnathia africana (Crustacea: Isopoda: Gnathiidae)

    Nico J. Smit;Linda Basson;Jo G. Van As

  • Gnathia pantherina sp. n. (Crustacea: Isopoda: Gnathiidae), a temporary ectoparasite of some elasmobranch species from southern Africa.

    Nico J. Smit;Linda Basson

  • Haemogregarina bigemina (Protozoa: Apicomplexa: Adeleorina) - past, present and future

    Angela J. Davies;Nico J. Smit;Polly M. Hayes;Alan M. Seddon

  • Review of the fish-parasitic genus Cymothoa Fabricius, 1793 (Isopoda, Cymothoidae, Crustacea) from the southwestern Indian Ocean, including a new species from South Africa

    Kerry A Hadfield;Niel L Bruce;Nico J Smit

  • A histology-based fish health assessment of the tigerfish, **Hydrocynus vittatus** from a DDT-affected area

    K.J. McHugh;N.J. Smit;J.H.J. Van Vuren;J.C. Van Dyk

  • A Guide to the Parasites of African Freshwater Fishes

    Tomáš Scholz;Maarten Pieterjan Vanhove;Nico Smit;Zuzana Jayasundera

  • Bioaccumulation of persistent organic pollutants and their trophic transfer through the food web: Human health risks to the rural communities reliant on fish from South Africa's largest floodplain.

    C M Volschenk;R Gerber;M T Mkhonto;Y Ikenaka

  • Metal accumulation in riverine macroinvertebrates from a platinum mining region

    J.H. Erasmus;W. Malherbe;S. Zimmermann;S. Zimmermann;A.W. Lorenz

  • Gorgocephalidae (Digenea: Lepocreadioidea) in the Indo-West Pacific: new species, life-cycle data and perspectives on species delineation over geographic range

    Daniel C Huston;Daniel C Huston;Scott C Cutmore;Terrence L Miller;Pierre Sasal

  • Alien freshwater fauna in South Africa

    Olaf L. F. Weyl;Bruce R. Ellender;Bruce R. Ellender;Ryan J. Wassermann;Ryan J. Wassermann;Marliese Truter;Marliese Truter

  • Spatial and temporal variation of invertebrate community structure in flood-controlled tropical floodplain wetlands

    Trevor Dube;Lizan DeNecker;Johan H.J. van Vuren;Victor Wepener

  • Gnathia aureamaculosa, a likely definitive host of Haemogregarina balistapi and potential vector for Haemogregarina bigemina between fishes of the Great Barrier Reef, Australia.

    Lynda M. Curtis;Alexandra S. Grutter;Nico J. Smit;Angela J. Davies;Angela J. Davies

  • Bridging the gap: aquatic parasites in the One Health concept

    Christian Selbach;Kim N. Mouritsen;Robert Poulin;Bernd Sures

  • Morphological and molecular characterization of a marine fish trypanosome from South Africa, including its development in a leech vector

    Polly M Hayes;Polly M Hayes;Scott P Lawton;Nico J Smit;Wendy C Gibson

  • Redescription of the monotypic genus Cinusa Schioedte and Meinert, 1884 (Isopoda, Cymothoidae), a buccal-cavity isopod from South Africa

    Kerry A. Hadfield;Niel L. Bruce;Nico J. Smit

  • A redescription of Haemogregarina fitzsimonsi Dias, 1953 and some comments on Haemogregarina parvula Dias, 1953 (Adeleorina: Haemogregarinidae) from southern African tortoises (Cryptodira: Testudinidae), with new host data and distribution records

    Courtney A. Cook;Nico J. Smit;Angela J. Davies

  • Biodiversity of frog haemoparasites from sub-tropical northern KwaZulu-Natal, South Africa

    Edward Charles Netherlands;Courtney A Cook;Donnavan J D Kruger;Louis H du Preez

  • A redescription of the adult male and praniza of Gnathia africana Barnard, 1914 (Crustacea, Isopoda, Gnathiidae) from southern Africa

    Nico J. Smit;Jo G. Van As;Linda Basson

  • Double blow: Alien crayfish infected with invasive temnocephalan in South African waters

    Louis Du Preez;Nico Smit

  • Alien freshwater fish parasites from South Africa: Diversity, distribution, status and the way forward.

    Nico J. Smit;Wynand Malherbe;Kerry A. Hadfield;Kerry A. Hadfield

  • Review of the fish parasitic genus Ceratothoa Dana, 1852 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of two new species.

    Kerry A. Hadfield;Niel L. Bruce;Nico J. Smit

Frequent Co-Authors

Victor Wepener
Victor Wepener North-West University
Alexandra S. Grutter
Alexandra S. Grutter University of Queensland
Louis H. Du Preez
Louis H. Du Preez North-West University
Luc Brendonck
Luc Brendonck KU Leuven
Bernd Sures
Bernd Sures University of Duisburg-Essen
Olaf L. F. Weyl
Olaf L. F. Weyl South African Institute for Aquatic Biodiversity
Lieven Bervoets
Lieven Bervoets University of Antwerp
Maarten P.M. Vanhove
Maarten P.M. Vanhove Hasselt University
Milan Gelnar
Milan Gelnar Masaryk University
Tomáš Scholz
Tomáš Scholz Czech Academy of Sciences

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Related Online Degrees & Career Pathways

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For those passionate about animal care, the article on careers with animals outlines practical degree paths and job opportunities that extend into wildlife conservation, animal training, and veterinary technology.

Interestingly, leadership roles such as an athletic director offer alternative career options that benefit from strong organizational and biological knowledge. Learning how to become an athletic director is detailed at athletic director, blending sports management with health sciences.

Additionally, students interested in the science of physical performance can study exercise science online to enhance their understanding of anatomy and physiology, complementing veterinary expertise or opening alternate career routes in health and fitness.

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