List of works - Alexander Kotrschal

A larger brain confers a benefit in a spatial mate search learning task in male guppies

scientific article

A noninvasive method to determine fat content in small fish based on swim bladder size estimation ⬇️

scientific article published on August 1, 2011

Artificial selection for schooling behaviour and its effects on associative learning abilities

scientific article published on 02 November 2020

Artificial selection on brain size leads to matching changes in overall number of neurons

scientific article published on 01 August 2019

Artificial selection on male genitalia length alters female brain size.

scientific article published in November 2016

Artificial selection on relative brain size in the guppy reveals costs and benefits of evolving a larger brain

scientific article published on 3 January 2013

Artificial selection on relative brain size reveals a positive genetic correlation between brain size and proactive personality in the guppy.

scientific article

Assortative interactions revealed by sorting of animal groups

article published in 2018

Body mass variation is negatively associated with brain size - evidence for the fat-brain trade-off in anurans

scientific article published on 04 May 2020

Brain size affects female but not male survival under predation threat

scientific article

Brain size affects performance in a reversal-learning test.

scientific article published in January 2018

Brain size affects responsiveness in mating behaviour to variation in predation pressure and sex ratio

scientific article published on 07 November 2019

Brain size affects the behavioural response to predators in female guppies (Poecilia reticulata)

scientific article

Brain size does not impact shoaling dynamics in unfamiliar groups of guppies (Poecilia reticulata).

scientific article published on 14 December 2017

Brain size does not predict learning strategies in a serial reversal learning test

scientific article published on 19 June 2020

Brain size predicts behavioural plasticity in guppies (Poecilia reticulata): An experiment

scientific article published on 21 December 2018

Breakdown of brain–body allometry and the encephalization of birds and mammals

scientific article published on 13 August 2018

Cognition contra camouflage: How the brain mediates predator-driven crypsis evolution

scientific article published in 2022

Comparative support for the expensive tissue hypothesis: Big brains are correlated with smaller gut and greater parental investment in Lake Tanganyika cichlids

scientific article

Developmental plasticity of growth and digestive efficiency in dependence of early-life food availability

scientific article

Different Mating Contexts Lead To Extensive Rewiring Of Female Brain Coexpression Networks In The Guppy

scientific article published on 01 September 2020

Early neurogenomic response associated with variation in guppy female mate preference

article

Early predation risk shapes adult learning and cognitive flexibility

scientific article published in 2021

Environmental change enhances cognitive abilities in fish

scientific article

Evolution of brain region volumes during artificial selection for relative brain size

scientific article

Evolution of brain-body allometry in Lake Tanganyika cichlids

scientific article published on 31 May 2016

Experimental translocations to low predation lead to non-parallel increases in relative brain size

scientific article published on 22 January 2020

Expression change in Angiopoietin-1 underlies change in relative brain size in fish

scientific article published in July 2015

Extreme sexual brain size dimorphism in sticklebacks: a consequence of the cognitive challenges of sex and parenting?

scientific article published on 19 January 2012

Female brain size affects the assessment of male attractiveness during mate choice.

scientific article

Functional convergence of genomic and transcriptomic genetic architecture underlying sociability in a live-bearing fish

How predation shapes the social interaction rules of shoaling fish

scientific article

Hybridization may promote variation in cognitive phenotypes in experimental guppy hybrids

scientific article published on 05 May 2022

Large Brains, Small Guts: The Expensive Tissue Hypothesis Supported within Anurans

scientific article published on 21 September 2016

Large brains, short life: selection on brain size impacts intrinsic lifespan.

scientific article

Large-brained frogs mature later and live longer

scientific article published on 24 April 2018

Life-stage specific environments in a cichlid fish: implications for inducible maternal effects

Lionfish (Pterois miles) in the Mediterranean Sea: a review of the available knowledge with an update on the invasion front

scientific article published in 2024

Meta-analytic evidence that animals rarely avoid inbreeding

scientific article published on 03 May 2021

On the role of body size, brain size, and eye size in visual acuity.

scientific article

Plastic changes in brain morphology in relation to learning and environmental enrichment in the guppy (Poecilia reticulata)

scientific article published on 21 May 2019

Predation impacts brain allometry in female guppies (Poecilia reticulata)

scientific article published in 2022

Predation pressure shapes brain anatomy in the wild

scientific article published on 12 May 2017

Rapid evolution of coordinated and collective movement in response to artificial selection

scientific article published on 02 December 2020

Rearing-group size determines social competence and brain structure in a cooperatively breeding cichlid

scientific article

Relative Brain Size Is Predicted by the Intensity of Intrasexual Competition in Frogs

scientific article published on 22 June 2020

Reply to: Comparisons of static brain-body allometries across vertebrates must distinguish between indeterminate and determinate growth

scientific article published on 23 September 2019

Resource Defence or Exploded Lek? - A Question of Perspective

Revisiting the social brain hypothesis: contest duration depends on loser's brain size

Seasonality and brain size are negatively associated in frogs: evidence for the expensive brain framework

scientific article

Selection for brain size impairs innate, but not adaptive immune responses. ⬇️

scientific article published in March 2016

Selection for relative brain size affects context-dependent male preference for, but not discrimination of, female body size in guppies

scientific article published on 25 June 2018

Sexual selection impacts brain anatomy in frogs and toads.

scientific article

Stress impacts telomere dynamics

scientific article published on April 2007

Telomere attrition due to infection

scientific article

The benefit of evolving a larger brain: big-brained guppies perform better in a cognitive task.

scientific article published on October 2013

The effect of brain size evolution on feeding propensity, digestive efficiency, and juvenile growth

scientific article published on 30 September 2015

The effect of experimental hybridization on cognition and brain anatomy: Limited phenotypic variation and transgression in Poeciliidae

scientific article published in 2022

The expensive-tissue hypothesis may help explain brain-size reduction during domestication

scientific article published in 2022

The link between relative brain size and cognitive ageing in female guppies (Poecilia reticulata) artificially selected for variation in brain size

scientific article published on 26 December 2020

The mating brain: early maturing sneaker males maintain investment into the brain also under fast body growth in Atlantic salmon (Salmo salar).

scientific article published on 5 June 2014

Using activity and sociability to characterize collective motion.

scientific article published in May 2018

Where are they now? Tracking the Mediterranean lionfish invasion via local dive centers

scientific article published on 03 August 2021

Yes, correct context is indeed the key: An answer to Haave-Audet et al. 2019

scientific article published on 03 November 2019

List of works by Alexander Kotrschal

A larger brain confers a benefit in a spatial mate search learning task in male guppies

A noninvasive method to determine fat content in small fish based on swim bladder size estimation ⬇️

Artificial selection for schooling behaviour and its effects on associative learning abilities

Artificial selection on brain size leads to matching changes in overall number of neurons

Artificial selection on male genitalia length alters female brain size.

Artificial selection on relative brain size in the guppy reveals costs and benefits of evolving a larger brain

Artificial selection on relative brain size reveals a positive genetic correlation between brain size and proactive personality in the guppy.

Assortative interactions revealed by sorting of animal groups

Body mass variation is negatively associated with brain size - evidence for the fat-brain trade-off in anurans

Brain size affects female but not male survival under predation threat

Brain size affects performance in a reversal-learning test.

Brain size affects responsiveness in mating behaviour to variation in predation pressure and sex ratio

Brain size affects the behavioural response to predators in female guppies (Poecilia reticulata)

Brain size does not impact shoaling dynamics in unfamiliar groups of guppies (Poecilia reticulata).

Brain size does not predict learning strategies in a serial reversal learning test

Brain size predicts behavioural plasticity in guppies (Poecilia reticulata): An experiment

Breakdown of brain–body allometry and the encephalization of birds and mammals

Cognition contra camouflage: How the brain mediates predator-driven crypsis evolution

Comparative support for the expensive tissue hypothesis: Big brains are correlated with smaller gut and greater parental investment in Lake Tanganyika cichlids

Developmental plasticity of growth and digestive efficiency in dependence of early-life food availability

Different Mating Contexts Lead To Extensive Rewiring Of Female Brain Coexpression Networks In The Guppy

Early neurogenomic response associated with variation in guppy female mate preference

Early predation risk shapes adult learning and cognitive flexibility

Environmental change enhances cognitive abilities in fish

Evolution of brain region volumes during artificial selection for relative brain size

Evolution of brain-body allometry in Lake Tanganyika cichlids

Experimental translocations to low predation lead to non-parallel increases in relative brain size

Expression change in Angiopoietin-1 underlies change in relative brain size in fish

Extreme sexual brain size dimorphism in sticklebacks: a consequence of the cognitive challenges of sex and parenting?

Female brain size affects the assessment of male attractiveness during mate choice.

Functional convergence of genomic and transcriptomic genetic architecture underlying sociability in a live-bearing fish

How predation shapes the social interaction rules of shoaling fish

Hybridization may promote variation in cognitive phenotypes in experimental guppy hybrids

Large Brains, Small Guts: The Expensive Tissue Hypothesis Supported within Anurans

Large brains, short life: selection on brain size impacts intrinsic lifespan.

Large-brained frogs mature later and live longer

Life-stage specific environments in a cichlid fish: implications for inducible maternal effects

Lionfish (Pterois miles) in the Mediterranean Sea: a review of the available knowledge with an update on the invasion front

Meta-analytic evidence that animals rarely avoid inbreeding

On the role of body size, brain size, and eye size in visual acuity.

Plastic changes in brain morphology in relation to learning and environmental enrichment in the guppy (Poecilia reticulata)

Predation impacts brain allometry in female guppies (Poecilia reticulata)

Predation pressure shapes brain anatomy in the wild

Rapid evolution of coordinated and collective movement in response to artificial selection

Rearing-group size determines social competence and brain structure in a cooperatively breeding cichlid

Relative Brain Size Is Predicted by the Intensity of Intrasexual Competition in Frogs

Reply to: Comparisons of static brain-body allometries across vertebrates must distinguish between indeterminate and determinate growth

Resource Defence or Exploded Lek? - A Question of Perspective

Revisiting the social brain hypothesis: contest duration depends on loser's brain size

Seasonality and brain size are negatively associated in frogs: evidence for the expensive brain framework

Selection for brain size impairs innate, but not adaptive immune responses. ⬇️

Selection for relative brain size affects context-dependent male preference for, but not discrimination of, female body size in guppies

Sexual selection impacts brain anatomy in frogs and toads.

Stress impacts telomere dynamics

Telomere attrition due to infection

The benefit of evolving a larger brain: big-brained guppies perform better in a cognitive task.

The effect of brain size evolution on feeding propensity, digestive efficiency, and juvenile growth

The effect of experimental hybridization on cognition and brain anatomy: Limited phenotypic variation and transgression in Poeciliidae

The expensive-tissue hypothesis may help explain brain-size reduction during domestication

The link between relative brain size and cognitive ageing in female guppies (Poecilia reticulata) artificially selected for variation in brain size

The mating brain: early maturing sneaker males maintain investment into the brain also under fast body growth in Atlantic salmon (Salmo salar).

Using activity and sociability to characterize collective motion.

Where are they now? Tracking the Mediterranean lionfish invasion via local dive centers

Yes, correct context is indeed the key: An answer to Haave-Audet et al. 2019