Alexander Kotrschal

4.2k total citations · 1 hit paper
84 papers, 2.9k citations indexed

About

Alexander Kotrschal is a scholar working on Ecology, Evolution, Behavior and Systematics, Social Psychology and Ecology. According to data from OpenAlex, Alexander Kotrschal has authored 84 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Ecology, Evolution, Behavior and Systematics, 39 papers in Social Psychology and 24 papers in Ecology. Recurrent topics in Alexander Kotrschal's work include Animal Behavior and Reproduction (55 papers), Primate Behavior and Ecology (34 papers) and Physiological and biochemical adaptations (14 papers). Alexander Kotrschal is often cited by papers focused on Animal Behavior and Reproduction (55 papers), Primate Behavior and Ecology (34 papers) and Physiological and biochemical adaptations (14 papers). Alexander Kotrschal collaborates with scholars based in Sweden, Netherlands and United Kingdom. Alexander Kotrschal's co-authors include Niclas Kolm, Dustin J. Penn, Barbara Taborsky, Petteri Ilmonen, Séverine D. Buechel, Alberto Corral‐López, Björn Rogell, Alexei A. Maklakov, Wouter van der Bijl and Wen Bo Liao and has published in prestigious journals such as Nature Communications, PLoS ONE and Current Biology.

In The Last Decade

Alexander Kotrschal

79 papers receiving 2.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Artificial Selection on Relative Brain Size in the Guppy Reveals Costs and Benefits of Evolving a Larger Brain

2013 350 citations Alexander Kotrschal, Niclas Kolm et al. profile →

Peers

Alexander Kotrschal

EEBS

ECOLO

NLC

GPC

Alexei A. Maklakov Sweden

Karen P. Maruska United States

Wayne J. Korzan United States

Nicholas I. Mundy United Kingdom

Niclas Kolm Sweden

Lauren A. O’Connell United States

Pierre‐Olivier Montiglio Canada

Anne Peters Australia

Andrew N. Iwaniuk Canada

Carsten Schradin South Africa

Alexei A. Maklakov Sweden

Alexander Kotrschal

2.8k ×1.5

EEBS

444 ×0.5

1.1k ×1.4

ECOLO

328 ×0.5

NLC

327 ×0.5

GPC

Citations per year, relative to Alexander Kotrschal Alexander Kotrschal (= 1×) peers Alexei A. Maklakov

Countries citing papers authored by Alexander Kotrschal

Since Specialization

Citations

This map shows the geographic impact of Alexander Kotrschal's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alexander Kotrschal with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alexander Kotrschal more than expected).

Fields of papers citing papers by Alexander Kotrschal

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexander Kotrschal. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alexander Kotrschal. The network helps show where Alexander Kotrschal may publish in the future.

Co-authorship network of co-authors of Alexander Kotrschal

This figure shows the co-authorship network connecting the top 25 collaborators of Alexander Kotrschal. A scholar is included among the top collaborators of Alexander Kotrschal based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alexander Kotrschal. Alexander Kotrschal is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Yang, Mingfang, et al.. (2025). Adult predation shapes the evolution of swimming performance in guppies ( Poecilia reticulata ). Biology Letters. 21(6). 20250139–20250139.

Parsekian, A., et al.. (2025). A novel apparatus for studying fish cognition in the wild. Methods in Ecology and Evolution. 16(5). 939–948.

Pollux, Bart J. A., et al.. (2024). Lionfish (Pterois miles) in the Mediterranean Sea: a review of the available knowledge with an update on the invasion front. NeoBiota. 92. 233–257. 3 indexed citations

Kőrösi, Anikó, et al.. (2024). Coercive mating has no impact on spatial learning, cognitive flexibility, and fecundity in female porthole livebearers (Poeciliopsis gracilis). Journal of Fish Biology. 107(4). 1106–1121.

Corral‐López, Alberto, Natasha I. Bloch, Wouter van der Bijl, et al.. (2023). Functional convergence of genomic and transcriptomic architecture underlies schooling behaviour in a live-bearing fish. Nature Ecology & Evolution. 8(1). 98–110. 3 indexed citations

Quinn, John L., et al.. (2023). Artificial selection for reversal learning reveals limited repeatability and no heritability of cognitive flexibility in great tits ( Parus major ). Proceedings of the Royal Society B Biological Sciences. 290(2003). 20231067–20231067. 4 indexed citations

Vega‐Trejo, Regina, et al.. (2022). Sex‐specific inbreeding depression: A meta‐analysis. Ecology Letters. 25(4). 1009–1026. 25 indexed citations

Mitchell, David J., et al.. (2022). Jumping out of trouble: evidence for a cognitive map in guppies ( Poecilia reticulata ). Behavioral Ecology. 33(6). 1161–1169. 2 indexed citations

Kotrschal, Kurt, et al.. (2022). The expensive-tissue hypothesis may help explain brain-size reduction during domestication. Communicative & Integrative Biology. 15(1). 190–192. 5 indexed citations

10.

Vega‐Trejo, Regina, et al.. (2020). Artificial selection for schooling behaviour and its effects on associative learning abilities. Journal of Experimental Biology. 223(Pt 23). 6 indexed citations

11.

Kotrschal, Alexander, James E. Herbert‐Read, Natasha I. Bloch, et al.. (2020). Rapid evolution of coordinated and collective movement in response to artificial selection. Science Advances. 6(49). 21 indexed citations

12.

Kotrschal, Alexander, et al.. (2019). Artificial selection on brain size leads to matching changes in overall number of neurons. Evolution. 73(9). 2003–2012. 47 indexed citations

13.

Corral‐López, Alberto, et al.. (2019). Brain size affects responsiveness in mating behaviour to variation in predation pressure and sex ratio. Journal of Evolutionary Biology. 33(2). 165–177. 9 indexed citations

14.

Herczeg, Gábor, et al.. (2018). Brain size predicts behavioural plasticity in guppies ( Poecilia reticulata ): An experiment. Journal of Evolutionary Biology. 32(3). 218–226. 14 indexed citations

15.

Corral‐López, Alberto, Alexander Kotrschal, & Niclas Kolm. (2018). Selection for relative brain size affects context-dependent male preferences, but not discrimination, of female body size in guppies. Journal of Experimental Biology. 221(Pt 12). 12 indexed citations

16.

Buechel, Séverine D., Annika Boussard, Alexander Kotrschal, Wouter van der Bijl, & Niclas Kolm. (2018). Brain size affects performance in a reversal-learning test. Proceedings of the Royal Society B Biological Sciences. 285(1871). 20172031–20172031. 96 indexed citations

17.

Tsuboi, Masahito, Wouter van der Bijl, Bjørn Tore Kopperud, et al.. (2018). Breakdown of brain–body allometry and the encephalization of birds and mammals. Nature Ecology & Evolution. 2(9). 1492–1500. 109 indexed citations

18.

Hayward, Alexander, Masahito Tsuboi, Alexander Kotrschal, et al.. (2017). Evolutionary associations between host traits and parasite load: insights from Lake Tanganyika cichlids. Journal of Evolutionary Biology. 30(6). 1056–1067. 15 indexed citations

19.

Bijl, Wouter van der, et al.. (2015). Brain size affects the behavioural response to predators in female guppies (Poecilia reticulata). Proceedings of the Royal Society B Biological Sciences. 282(1812). 20151132–20151132. 66 indexed citations

20.

Kotrschal, Alexander. (2010). The influence of early environment on later life - physiology, behaviour and evolution. Bern Open Repository and Information System (University of Bern). 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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