Data from: Predation selects for smaller eye size in a vertebrate: effects of environmental conditions and sex

Richard Svanback & Frank Johansson
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 scanty. In this study, we address how predation affects variation in eye size by performing two experiments using Eurasian...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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