ArticleProceedings. Biological sciences2019
Predation selects for smaller eye size in a vertebrate: effects of environmental conditions and sex.
Article in Proceedings. Biological sciences, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Habitat-Driven Sexual Dimorphism inEcology and evolution · 2026Article
- Exposure to Predators Induces Phenotypic Plasticity in Cone Opsin Expression Profiles but not in Eye Size of Female Trinidad Guppies.Zoological studies · 2026Article
- Widespread Genetic Signals of Visual System Adaptation in Deepwater Cichlid Fishes.Molecular biology and evolution · 2025Article
- Plasticity inProceedings. Biological sciences · 2025Article
- Will I stay or will I go? Eye morphology predicts individual migratory propensity in a partial migrant.The Journal of animal ecology · 2025Article
- Article
- Eye Size Does Not Change with Artificial Selection on Relative Telencephalon Size in Guppies (Poecilia reticulata).Brain, behavior and evolution · 2024Article
- Domestication-induced reduction in eye size revealed in multiple common garden experiments: The case of Atlantic salmon (Evolutionary applications · 2021Article
- Transgenerational plasticity in the eye size ofBiology letters · 2021Article
- Sex-specific plasticity in a trophic polymorphic aquatic predator: a modeling approach.Oecologia · 2021Article
- Predation risk induces age- and sex-specific morphological plastic responses in the fathead minnow Pimephales promelas.Scientific reports · 2019Article
- Predation selects for smaller eye size in a vertebrate: effects of environmental conditions and sex.Proceedings. Biological sciences · 2019Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Increased eye size in animals results in a larger retinal image and thus improves visual acuity. Thus, larger eyes should aid both in finding food as well as detecting predators. On the other hand, eyes are usually very conspicuous and several studies have suggested that eye size is associated with predation risk. However, experimental evidence is scant. In this study, we address how predation affects variation in eye size by performing two experiments using Eurasian perch juveniles as prey and either larger perch or pike as predators. First, we used large outdoor tanks to compare selection due to predators on relative eye size in open and artificial vegetated habitats. Second, we studied the effects of both predation risk and resource levels on phenotypic plasticity in relative eye size in indoor aquaria experiments. In the first experiment, we found that habitat altered selection due to predators, since predators selected for smaller eye size in a non-vegetated habitat, but not in a vegetated habitat. In the plasticity experiment, we found that fish predators induced smaller eye size in males, but not in females, while resource levels had no effect on eye size plasticity. Our experiments provide evidence that predation risk could be one of the driving factors behind variation in eye size within species.
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