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Ruberto, T, Swaney, WT and Reddon, AR (2024) Submissive behavior is affected by territory structure in a social fish. Current Zoology. pp. 1-7. ISSN 1674-5507
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Abstract
Group living may engender conflict over food, reproduction, or other resources and individuals must be able to manage conflict for social groups to persist. Submission signals are an adaptation for establishing and maintaining social hierarchy position, allowing a subordinate individual to avoid protracted and costly aggressive interactions with dominant individuals. In the daffodil cichlid fish (Neolamprologus pulcher), subordinates may use submission signals to resolve conflicts with dominant individuals and maintain their social status within the group. The complexity of the physical environment may affect the value of submission signals compared with fleeing or avoidance, which may require certain physical features such as shelters to be effective. We investigated how the ecological context affected the expression of submission in subordinate daffodil cichlids by examining their behavior under different arrangements of the physical environment within their territories. We altered the number of shelters provided to daffodil cichlid groups and compared the interactions between dominant and subordinate individuals under each shelter condition by scoring the social and cooperative behaviors of the group members. We found that behaviors of group members were modulated by the environment: subordinates displayed fewer submission and fleeing behaviors in more structurally complex environments and dominants were more aggressive to subordinates when more shelters were present. Our results help to elucidate the role of the physical environment in the modulation of social interactions in group-living animals and may have implications for the welfare of captively housed social cichlid groups.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 0608 Zoology; Zoology |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences Q Science > QH Natural history > QH301 Biology |
| Divisions: | Biological & Environmental Sciences (from Sep 19) |
| Publisher: | Oxford University Press |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 30 May 2024 10:43 |
| Last Modified: | 30 May 2024 10:43 |
| DOI or ID number: | 10.1093/cz/zoae014 |
| Editors: | Jia, Z-Y and Huang, Z-S |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/23391 |
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