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Swaney, WT, Ellwood, C, Davis, JP and Reddon, AR (2024) Familiarity preferences in zebrafish (Danio rerio) depend on shoal proximity. Journal of Fish Biology. pp. 1-7. ISSN 0022-1112
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Abstract
Individuals of many species prefer to associate with familiar conspecifics from theirestablished social group over unfamiliar conspecifics. Such familiarity preferences arethought to be adaptive and have been documented widely in many social fishes.Zebrafish (Danio rerio) are extensively studied, highly social fish that form stableshoals in the wild, however there is only mixed evidence for familiarity preferences inthis species. Here, we test how a small variation in experimental design can influencepreferences for familiar conspecifics in D. rerio by varying the distance between twostimulus shoals of fish in a shoaling choice paradigm. Individual subjects tested fortheir preference to shoal with familiar or unfamiliar groups of conspecifics showed apreference for familiar fish when the two shoals were 30 cm apart, but not whenthey were 45 or 60 cm apart. Thus, choice tests can be used to detect familiaritypreferences in D. rerio, but only when alternate shoals are close together, asincreased intershoal distances seemingly prevent subjects from displaying theirpreference. Longer distances may inhibit preference behavior due to the higher riskof crossing between shoals, alternatively subjects may be unable to reliably discerndistinguishing cues of familiarity when the shoals are further apart. Our resultsdemonstrate that while familiarity preferences exist in D. rerio, experimental testdesign is critical for detecting and measuring these successfully
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | 0602 Ecology; 0608 Zoology; 0704 Fisheries Sciences; Fisheries |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences Q Science > QH Natural history > QH301 Biology S Agriculture > SH Aquaculture. Fisheries. Angling |
| Divisions: | Biological and Environmental Sciences (from Sep 19) |
| Publisher: | Wiley |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 16 Oct 2024 13:27 |
| Last Modified: | 16 Oct 2024 13:30 |
| DOI or ID number: | 10.1111/jfb.15963 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/24532 |
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