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Full-Text Articles in Social and Behavioral Sciences
Heritable And Experiential Effects On Boldness In A Tropical Poeciliid, Culum Brown, Fiona Burgess, Victoria Braithwaite
Heritable And Experiential Effects On Boldness In A Tropical Poeciliid, Culum Brown, Fiona Burgess, Victoria Braithwaite
Sentience Collection
Consistent differences in human behaviour are often explained with reference to personality traits. Recent evidence suggests that similar traits are widespread across the entire animal kingdom and that they may have substantial fitness consequences. One of the major components of personality is the shyness–boldness continuum. Little is known about the relative contributions of genes and the environment in the development of boldness in wild animal populations. Here, we bred wild-caught fish (Brachyraphis episcopi) collected from regions of highand low-predation pressure, reared their offspring in the laboratory under varying conditions and tested boldness utilising an open-field paradigm. First-generation laboratory-reared fish showed …