Zebrafish anxiety-like behavior was assessed in the novel tank test after the formation of dominant-subordinate hierarchies. Ten pairs of animals were subjected to dyadic interactions for 5 days, and compared with control animals. After this period, a clear dominance hierarchy was established across all dyads, irrespective of sex. Social status affected parameters of anxiety-like behavior in the novel tank test, with subordinate males and females displaying more bottom-dwelling, absolute turn angle, and freezing than dominant animals and controls. The results suggest that subordinate male and female zebrafish show higher anxiety-like behavior, which together with previous literature suggests that subordination stress is conserved across vertebrates.
CITATION STYLE
Bozi, B., Rodrigues, J., Lima-Maximino, M., de Siqueira-Silva, D. H., Soares, M. C., & Maximino, C. (2021). Social Stress Increases Anxiety-Like Behavior Equally in Male and Female Zebrafish. Frontiers in Behavioral Neuroscience, 15. https://doi.org/10.3389/fnbeh.2021.785656
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