Predation impacts brain allometry and offspring production in female guppies (Poecilia reticulata)
Survivorship under predation exerts strong selection on reproductive traits as well as on
brain anatomy of prey. However, how exactly predation and brain evolution are linked has …
brain anatomy of prey. However, how exactly predation and brain evolution are linked has …
[HTML][HTML] Predation impacts brain allometry in female guppies (Poecilia reticulata)
Cognitive and sensory abilities are vital in affecting survival under predation risk, leading to
selection on brain anatomy. However, how exactly predation and brain evolution are linked …
selection on brain anatomy. However, how exactly predation and brain evolution are linked …
Divergence in brain size and brain region volumes across wild guppy populations
AS Reyes, A Bittar, LC Ávila, C Botia… - … of the Royal …, 2022 - royalsocietypublishing.org
Complex evolutionary dynamics have produced extensive variation in brain anatomy in the
animal world. In guppies, Poecilia reticulata, brain size and anatomy have been extensively …
animal world. In guppies, Poecilia reticulata, brain size and anatomy have been extensively …
[HTML][HTML] Predation pressure shapes brain anatomy in the wild
There is remarkable diversity in brain anatomy among vertebrates and evidence is
accumulating that predatory interactions are crucially important for this diversity. To test this …
accumulating that predatory interactions are crucially important for this diversity. To test this …
Experimental translocations to low predation lead to non-parallel increases in relative brain size
Predation is a near ubiquitous factor of nature and a powerful selective force on prey.
Moreover, it has recently emerged as an important driver in the evolution of brain anatomy …
Moreover, it has recently emerged as an important driver in the evolution of brain anatomy …
Evolutionary divergence of plasticity in brain morphology between ecologically divergent habitats of Trinidadian guppies
CJ Axelrod, Y Yang, E Grant, J Fleming, I Stone… - …, 2024 - academic.oup.com
Phenotypic plasticity is critical for organismal performance and can evolve in response to
natural selection. Brain morphology is often developmentally plastic, affecting animal …
natural selection. Brain morphology is often developmentally plastic, affecting animal …
Brain size affects the behavioural response to predators in female guppies (Poecilia reticulata)
W van der Bijl, M Thyselius… - Proceedings of the …, 2015 - royalsocietypublishing.org
Large brains are thought to result from selection for cognitive benefits, but how enhanced
cognition leads to increased fitness remains poorly understood. One explanation is that …
cognition leads to increased fitness remains poorly understood. One explanation is that …
Wild and laboratory exposure to cues of predation risk increases relative brain mass in male guppies
There is considerable diversity in brain size within and among species, and substantial
dispute over the causes, consequences and importance of this variation. Comparative and …
dispute over the causes, consequences and importance of this variation. Comparative and …
Artificial selection for adult predation survival impacts life history and morphology in guppies (Poecilia reticulata)
H De Waele, R Vega-Trejo, C Vila-Pouca… - bioRxiv, 2024 - biorxiv.org
Predation is accepted as a major evolutionary driver of life history and morphology.
However, whether these traits evolve directly via predation or via indirect effects is largely …
However, whether these traits evolve directly via predation or via indirect effects is largely …
Brain size affects female but not male survival under predation threat
There is remarkable diversity in brain size among vertebrates, but surprisingly little is known
about how ecological species interactions impact the evolution of brain size. Using guppies …
about how ecological species interactions impact the evolution of brain size. Using guppies …
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