Journal
ANIMAL BEHAVIOUR
Volume 86, Issue 2, Pages 245-252Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anbehav.2013.04.011
Keywords
aggression; Danio rerio; development; dominant-subordinate; experience; ontogeny; social hierarchy; social stress; zebrafish
Categories
Funding
- National Institute on Drug Abuse (NIDA) [DA10547]
- Research Development and Scholarship Fund RDSF, Office of the Provost, Northeastern University
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Aggression is important in the life history of most vertebrate species and influences ecological and social relationships by regulating the dynamics of territoriality, hierarchy, predation and resource utilization. The expression of aggressive behaviour develops as an individual ages and is often shaped by social experience. Even though the heritability of traits that yield dominant-subordinate relationships is high, strong environmental influences also shape the expression of these individual behaviours. In this study we present evidence for the first time of a necessary interplay between factors that generate behavioural phenotypic plasticity in zebrafish. Select presumptively genetic and environmental elements interacted developmentally to produce the behavioural phenotypes necessary for dominant-subordinate relationships in dyads. Aggressive and submissive acts increased in focus and intensity and were correlated with social rank during development, but decreased with duration of the paired interaction. (C) 2013 The Association for the Study of Animal Behaviour. Published by Elsevier Ltd.
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