World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
38
Citations
5286
World Ranking
6664
National Ranking
1

Indar W. Ramnarine publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Indar W. Ramnarine sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 111 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Indar W. Ramnarine D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Indar W. Ramnarine sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 38 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Overview

Indar W. Ramnarine is affiliated with the University of the West Indies in Trinidad and Tobago. Their research primarily spans the fields of Agricultural and Biological Sciences, Psychology, and Environmental Science.

Their main subfields of study include Ecology, Evolution, Behavior and Systematics, Social Psychology, Ecology, Global and Planetary Change, and Nature and Landscape Conservation. Research topics frequently addressed in their work cover Animal Behavior and Reproduction, Primate Behavior and Ecology, Plant and Animal Studies, Amphibian and Reptile Biology, Neuroendocrine Regulation and Behavior, Animal Vocal Communication and Behavior, and Wildlife Ecology and Conservation.

Recent publications by Indar W. Ramnarine demonstrate a focus on behavioral ecology and animal interactions. Some of the papers include:

  • "Predatory behaviour as a personality trait in a wild fish population" (2020), published in Animal Behaviour
  • "Predation risk shapes the use of conflicting personal risk and social safety information in guppies" (2021), published in Behavioral Ecology
  • "Causal evidence for the adaptive benefits of social foraging in the wild" (2021), published in Communications Biology
  • "A Matador-like Predator Diversion Strategy Driven by Conspicuous Coloration in Guppies" (2020), published in Current Biology
  • "Sex and background risk influence responses to acute predation risk in Trinidadian guppies" (2023), published in Behavioral Ecology

Their frequent collaborators include G. E. Brown, Laurence E A Feyten, Adam L. Crane, Darren P. Croft, and Jens Krause.

Publication venues commonly featuring their work include bioRxiv (Cold Spring Harbor Laboratory), Behavioral Ecology, Animal Behaviour, Behavioural Processes, and Current Biology.

Best Publications

  • Behavioural trait assortment in a social network: patterns and implications

    Darren P. Croft;Darren P. Croft;Jens Krause;Safi K. Darden;Safi K. Darden;Indar W. Ramnarine

  • Phenotypically plastic neophobia: a response to variable predation risk

    Grant E. Brown;Maud C. O. Ferrari;Chris K. Elvidge;Indar Ramnarine

  • Mechanisms underlying shoal composition in the Trinidadian guppy, Poecilia reticulata

    Darren P. Croft;Bethany. J. Arrowsmith;Jon Bielby;K. Skinner

  • Picking personalities apart: estimating the influence of predation, sex and body size on boldness in the guppy Poecilia reticulata

    Sanna Harris;Indar W. Ramnarine;Henrik G. Smith;Lars B. Pettersson

  • How Reproductive Ecology Contributes to the Spread of a Globally Invasive Fish

    Amy E. Deacon;Indar W. Ramnarine;Anne E. Magurran

  • How predation shapes the social interaction rules of shoaling fish.

    James E. Herbert-Read;James E. Herbert-Read;Emil Rosén;Alex Szorkovszky;Christos C. Ioannou

  • Balancing selection, random genetic drift, and genetic variation at the major histocompatibility complex in two wild populations of guppies (Poecilia reticulata).

    Cock van Oosterhout;Domino A. Joyce;Stephen M. Cummings;Jonatan Blais

  • Inter‐population variation in multiple paternity and reproductive skew in the guppy

    Bryan D. Neff;Trevor E. Pitcher;Indar W. Ramnarine

  • Experimental harvesting of fish populations drives genetically based shifts in body size and maturation

    Serinde J van Wijk;Martin I Taylor;Martin I Taylor;Simon Creer;Christine Dreyer

  • Learned mate recognition and reproductive isolation in guppies

    Anne E. Magurran;Indar W. Ramnarine

  • Effect of gyrodactylid ectoparasites on host behaviour and social network structure in guppies Poecilia reticulata

    Darren P. Croft;Mathew Edenbrow;Safi K. Darden;Indar W. Ramnarine

  • Sex ratio dynamics and fluctuating selection pressures in natural populations of the Trinidadian guppy, Poecilia reticulata

    Lars B. Pettersson;Lars B. Pettersson;Indar W. Ramnarine;S. Anette Becher;Rajindra Mahabir

  • Sex matters: a social context to boldness in guppies (Poecilia reticulata)

    Chantima Piyapong;Chantima Piyapong;Jens Krause;Ben B. Chapman;Indar W. Ramnarine

  • Provenance and threat-sensitive predator avoidance patterns in wild-caught Trinidadian guppies

    Grant E. Brown;Camille J. Macnaughton;Chris K. Elvidge;Indar Ramnarine

  • Female behaviour mediates male courtship under predation risk in the guppy (Poecilia reticulata)

    Jonathan P. Evans;Jennifer L. Kelley;Indar W. Ramnarine;Andrea Pilastro

  • Divergent biodiversity change within ecosystems.

    Anne Elizabeth Magurran;Amy Elizabeth Deacon;Amy Elizabeth Deacon;Faye Helen Moyes;Hideyasu Shimadzu;Hideyasu Shimadzu

  • Back to school: can antipredator behaviour in guppies be enhanced through social learning?

    Jennifer L. Kelley;Jonathan P. Evans;Indar W. Ramnarine;Anne E. Magurran

  • Sperm transfer through forced matings and its evolutionary implications in natural guppy (Poecilia reticulata ) populations

    Jonathan P. Evans;Andrea Pilastro;Indar W. Ramnarine

  • Intraspecific evidence from guppies for correlated patterns of male and female genital trait diversification

    Jonathan P. Evans;Clelia Gasparini;Gregory I. Holwell;Indar W. Ramnarine

  • High-predation habitats affect the social dynamics of collective exploration in a shoaling fish

    Christos C. Ioannou;Indar W. Ramnarine;Colin J. Torney

  • The Guppy as a Conservation Model: Implications of Parasitism and Inbreeding for Reintroduction Success

    Cock Van Oosterhout;Alan M. Smith;Bernd Hänfling;Indar W. Ramnarine

  • Fear of predation drives stable and differentiated social relationships in guppies.

    Robert J. P. Heathcote;Safi K. Darden;Daniel Wayne Franks;Indar W. Ramnarine

Frequent Co-Authors

Jens Krause
Jens Krause Technical University of Berlin
Darren P. Croft
Darren P. Croft University of Exeter
Anne E. Magurran
Anne E. Magurran University of St Andrews
Grant E. Brown
Grant E. Brown Concordia University
Jonathan P. Evans
Jonathan P. Evans University of Western Australia
Christos C. Ioannou
Christos C. Ioannou University of Bristol
Alexander D. M. Wilson
Alexander D. M. Wilson Plymouth University
Bryan D. Neff
Bryan D. Neff University of Western Ontario
Douglas P. Chivers
Douglas P. Chivers University of Saskatchewan
Charles R. Tyler
Charles R. Tyler University of Exeter

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