2023 Early Hearing Detection & Intervention Conference
March 5-7, 2023 • Cincinnati, OH
5/21/2019 | 12:15 PM - 12:30 PM | SOCIAL NETWORK STRUCTURE IS EXPLAINED BY ANIMAL BEHAVIOR | 250 CF
SOCIAL NETWORK STRUCTURE IS EXPLAINED BY ANIMAL BEHAVIOR
Social network theory was used to elicit details of the social structure of an experimental population of a planktivorous cyprinid, Hypophthalmichthys nobilis. We combined behavioral assays with social network analysis to quantify the role behaviors play in sociality. Fish behaviors were assayed for general activity and boldness (i.e., the propensity to engage in risky behavior), then PIT tagged and stocked in an experimental pond (1-acre) where their associations were monitored for one month and then used to construct their social network. Considerable inter-individual variation was observed for both activity and boldness assays. Within the social network, four subgroups of fish were identified by a modularity algorithm. Two subgroups were consistently bolder and more active whereas the other two were less active and less bold. Although individuals associate with many others, we observed some associations were more frequent than others and influenced by similar behaviors, even within a small animal social network. By integrating social network analysis with animal behavior assays we show that structure within a fish social network can be explained by variation in animal personalities.
- Population
- Invasives
- Life History
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Presenters/Authors
Scott Collins
(), Texas Tech University, Scott.Collins@ttu.edu;
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Michael Nannini
(), Illinois Natural History Survey, mnannini@illinois.edu;
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