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Aggressiveness, boldness, and lateralization: an investigation of personality by sex and alternative male morph in Pelvicachromis pulcher
DownloadSpring 2015
Animal personality, patterns of behavior that are consistent across time and contexts, is a growing area of study and has been documented in a wide array of species. Some personality traits show sex differences. Recent work on the kribensis cichlid (Pelvicachromis pulcher) suggests that some...
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Investigating the genetic basis of boldness and reproductive performance traits in the grey seal (Halichoerus grypus)
DownloadSpring 2022
Individual variation provides the material for natural selection to act upon, influencing ecological and evolutionary processes. Much phenotypic variation in traits, such as behaviour and life-history, have a moderate to high heritable component, suggesting that these traits may have adaptive...
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Size, Sex, and Stress: Factors affecting lateralized behaviour and boldness in the convict cichlid (Amatitlania nigrofasciata)
DownloadFall 2014
Cerebral lateralization, the partitioning of cognitive functions preferentially into one hemisphere of the brain, is a trait ubiquitous among vertebrates. Although this trait is pervasive, not all individuals show the same degree or direction of lateralized behaviour. Individual differences in...