World's Best Scientists 2026 revealed!
Ricardo Massato Takemoto

Ricardo Massato Takemoto

D-Index & Metrics

Animal Science and Veterinary

D-Index
31
Citations
4619
World Ranking
2239
National Ranking
89

Ricardo Massato Takemoto 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 Ricardo Massato Takemoto 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: 234 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Ricardo Massato Takemoto 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 Ricardo Massato Takemoto 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: 31 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Overview

Ricardo Massato Takemoto is affiliated with the State University of Maringa in Brazil. Their research primarily spans Environmental Science with a focus on Ecology, Nature and Landscape Conservation, Parasitology, Aquatic Science, and Small Animals. The predominant themes of their work include Parasite Biology and Host Interactions, Fish Biology, Ecology, and Behavior, Bird Parasitology and Diseases, Helminth Infection and Control, as well as Aquaculture Disease Management and Microbiota.

The scientist has contributed to multiple research papers published in various venues. Some recent publications include:

  • Acanthocephalans parasites of two Characiformes fishes as bioindicators of cadmium contamination in two neotropical rivers in Brazil (2020) in The Science of The Total Environment
  • Checklist of parasites in fish from the upper Paraná River floodplain: An update (2020) in Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology
  • Phylogenetic position of Diplostomum spp. from New World herons based on complete mitogenomes, rDNA operons, and DNA barcodes, including a new species with partially elucidated life cycle (2020) in Parasitology Research
  • Ectoparasites are more vulnerable to host extinction than co-occurring endoparasites: evidence from metazoan parasites of freshwater and marine fishes (2020) in Hydrobiologia
  • Host age predicts parasite occurrence, richness, and nested infracommunities in a pilot whale-helminth network (2020) in Parasitology Research

Ricardo Massato Takemoto frequently publishes in several academic venues, including:

  • Parasitology Research
  • Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology
  • Journal of Helminthology
  • Hydrobiologia
  • PubMed

The scientist has collaborated consistently with several coauthors in their research endeavors. Frequent coauthors include:

  • Atsler Luana Lehun
  • João Otávio Santos Silva
  • Lucena Rocha Virgílio
  • Luís Marcelo Aranha Camargo
  • Wagner Toshio Hasuike

Best Publications

  • Métodos de estudo e técnicas laboratoriais em parasitologia de peixes

    Jorge da Costa Eiras;Ricardo Massato Takemoto;Gilberto Cezar Pavanelli

  • Doenças de peixes: profilaxia, diagnóstico e tratamento

    Gilberto Cezar Pavanelli;Jorge da Costa Eiras;Ricardo Massato Takemoto

  • Diversity of parasites of fish from the Upper Paraná River floodplain, Brazil

    R M Takemoto;G C Pavanelli;M A P Lizama;A C F Lacerda

  • Diversity, specificity and speciation in larval Diplostomidae (Platyhelminthes: Digenea) in the eyes of freshwater fish, as revealed by \DNA\ barcodes

    Sean A. Locke;Sean A. Locke;Fatima S. Al-Nasiri;Monica Caffara;Fabiana Drago

  • Checklist of Crustacea parasitizing fishes from Brazil

    José L. Luque;Fabiano M. Vieira;Ricardo M. Takemoto;Gilberto C. Pavanelli

  • Comparative analysis of the communities of metazoan parasites of Orthopristis ruber and Haemulon steindachneri (Osteichthyes: Haemulidae) from the southeastern Brazilian littoral: I. structure and influence of the size and sex of hosts.

    J.L. Luque;J.F.R. Amato;R.M. Takemoto;Jfr Amato

  • Diplostomum (Austrodiplostomum) compactum (Lutz, 1928) (Platyhelminthes, Digenea) metacercariae in fish from the floodplain of the Upper Paraná River, Brazil.

    P.M. Machado;R.M. Takemoto;G.C. Pavanelli

  • Structure and diversity of endoparasitic infracommunities and the trophic level of Pseudoplatystoma corruscans and Schizodon borelli (Osteichthyes) of the high Paraná river

    Marion Haruko Machado;Gilberto Cezar Pavanelli;Ricardo Massato Takemoto

  • Endoparasite infracommunities of Hemisorubim platyrhynchos (Valenciennes, 1840) (Pisces: Pimelodidae) of the Baía River, upper Paraná River floodplain, Brazil: specific composition and ecological aspects

    Unknown

  • Relative condition factor and parasitism in anostomid fishes from the floodplain of the Upper Paraná River, Brazil

    Gislaine Guidelli;Washington Luiz Gomes Tavechio;Ricardo Massato Takemoto;Gilberto Cezar Pavanelli

  • Ecological aspects of endohelminths parasitizing Cichla monoculus Spix, 1831 (Perciformes: Cichlidae) in the Paraná River near Porto Rico, State of Paraná, Brazil.

    P. M. Machado;S. C. de Almeida;G. C. Pavanelli;R. M. Takemoto

  • Helminths of freshwater fishes in the reservoir of the Hydroelectric Power Station of Itaipu, Paraná, Brazil

    Anna Kohn;Frantisek Moravec;Simone C. Cohen;Carla Canzi

  • Patterns of interactions of a large fish-parasite network in a tropical floodplain.

    Dilermando P. Lima;Henrique C. Giacomini;Ricardo M. Takemoto;Angelo A. Agostinho

  • Comparative analysis of the metazoan parasite communities of leatherjackets, Oligoplites palometa, O. saurus, and O. saliens (Osteichthyes:Carangidae) from Sepetiba Bay, Rio de Janeiro, Brazil.

    R M Takemoto;J F Amato;J L Luque

  • Influence of host sex and age on infracommunities of metazoan parasites of Prochilodus lineatus (Valenciennes, 1836) (Prochilodontidae) of the upper Paraná River floodplain, Brazil.

    M. De Los A. P. Lizama;R. M. Takemoto;G. C. Pavanelli

  • Host population density as the major determinant of endoparasite species richness in floodplain fishes of the upper Paraná River, Brazil.

    R.M. Takemoto;G.C. Pavanelli;M.A.P. Lizama;J.L. Luque

  • A host-endoparasite network of Neotropical marine fish: are there organizational patterns?

    Sybelle Bellay;Dilermando P. Lima;Ricardo M. Takemoto;José L. Luque

  • Developmental Stage of Parasites Influences the Structure of Fish-Parasite Networks

    Sybelle Bellay;Edson Fontes de Oliveira;Mário Almeida-Neto;Dilermando Pereira Lima Junior

  • Helminthes and protozoan of farmed pirarucu (Arapaima gigas) in eastern Amazon and host-parasite relationship

    R G B Marinho;R G B Marinho;M Tavares-Dias;M K R Dias-Grigório;M K R Dias-Grigório;L R Neves

  • An Overview of Fish-borne Nematodiases among Returned Travelers for Recent 25 Years- Unexpected Diseases Sometimes Far Away from the Origin.

    Jorge Costa Eiras;Gilberto Cezar Pavanelli;Ricardo Massato Takemoto;Yukifumi Nawa

  • Morphology and molecular characterization of Demidospermus spirophallus n. sp., D. prolixus n. sp. (Monogenea: Dactylogyridae) and a redescription of D. anus in siluriform catfish from Brazil

    L. Franceschini;A.C. Zago;M.I. Müller;C.J. Francisco

  • Ectoparasites and endoparasites of fish form networks with different structures.

    S. Bellay;E. F. De Oliveira;M. Almeida-Neto;M. A. R. Mello

  • Henneguya corruscans n. sp. (Myxozoa, Myxosporea, Myxobolidae), a parasite of Pseudoplatystoma corruscans (Osteichthyes, Pimelodidae) from the Paraná River, Brazil: a morphological and morphometric study.

    J.C. Eiras;R.M. Takemoto;G.C. Pavanelli

  • The patterns of organisation and structure of interactions in a fish-parasite network of a neotropical river

    Sybelle Bellay;Edson F. de Oliveira;Mário Almeida-Neto;Vanessa D. Abdallah

  • Host–parasite interaction between branchiurans (Crustacea: Argulidae) and piranhas (Osteichthyes: Serrasalminae) in the Pantanal wetland of Brazil

    Lucélia Nobre Carvalho;Kleber Del-Claro;Ricardo Massato Takemoto

  • Aspects of the ecology of proteocephalid cestodes parasites of Sorubim lima (Pimelodidae) of the upper Paraná River, Brazil: I. Structure and influence of host's size and sex

    R M Takemoto;G C Pavanelli

  • Helminthes and protozoan of farmed pirarucu (Arapaima gigas) in eastern Amazon and host-parasite relationship (Helmintos e protozoários de pirarucu (Arapaima gigas) cultivado na Amazônia oriental, e relação hospedeiro-parasito)

    R. G. B. Marinho;L. R. Neves;E. T. O. Yoshioka;C. L. Boijink

Frequent Co-Authors

José L. Luque
José L. Luque Universidade Federal Rural do Rio de Janeiro
Jorge C. Eiras
Jorge C. Eiras University of Porto
Luís Marcelo Aranha Camargo
Luís Marcelo Aranha Camargo Universidade de São Paulo
Edson A. Adriano
Edson A. Adriano Federal University of Sao Paulo
Jean Ricardo Simões Vitule
Jean Ricardo Simões Vitule Federal University of Paraná
Flávio Ruas de Moraes
Flávio Ruas de Moraes Sao Paulo State University
Marcos Tavares-Dias
Marcos Tavares-Dias Brazilian Agricultural Research Corporation
Tomáš Scholz
Tomáš Scholz Czech Academy of Sciences
Maurício Laterça Martins
Maurício Laterça Martins Universidade Federal de Santa Catarina
Yukifumi Nawa
Yukifumi Nawa Khon Kaen University

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