Please use this identifier to cite or link to this item:
https://hdl.handle.net/1959.11/26560
Title: | Cohesion, order and information flow in the collective motion of mixed-species shoals | Contributor(s): | Ward, Ashley J W (author); Schaerf, T M (author)![]() |
Publication Date: | 2018-12-12 | Open Access: | Yes | DOI: | 10.1098/rsos.181132![]() |
Handle Link: | https://hdl.handle.net/1959.11/26560 | Abstract: | Despite the frequency with which mixed-species groups are observed in nature, studies of collective behaviour typically focus on single-species groups. Here, we quantify and compare the patterns of interactions between three fish species, threespine sticklebacks (Gasterosteus aculeatus), ninespine sticklebacks (Pungitius pungitius) and roach (Rutilus rutilus) in both single- and mixed-species shoals in the laboratory. Pilot data confirmed that the three species form both single- and mixed-species shoals in the wild. In our laboratory study, we found that single-species groups were more polarized than mixed-species groups, while single-species groups of threespine sticklebacks and roach were more cohesive than mixed shoals of these species. Furthermore, while there was no difference between the inter-individual distances between threespine and ninespine sticklebacks within mixed-species groups, there was some evidence of segregation by species in mixed groups of threespine sticklebacks and roach. There were differences between treatments in mean pairwise transfer entropy, and in particular we identify species-differences in information use within the mixed-species groups, and, similarly, differences in responses to conspecifics and heterospecifics in mixed-species groups. We speculate that differences in the patterns of interactions between species in mixed-species groups may determine patterns of fission and fusion in such groups. | Publication Type: | Journal Article | Grant Details: | ARC/DP 160103905 | Source of Publication: | Royal Society Open Science, 5(12), p. 1-14 | Publisher: | The Royal Society Publishing | Place of Publication: | United Kingdom | ISSN: | 2054-5703 | Fields of Research (FoR) 2008: | 010202 Biological Mathematics 060801 Animal Behaviour 060201 Behavioural Ecology |
Fields of Research (FoR) 2020: | 490102 Biological mathematics 310901 Animal behaviour 310301 Behavioural ecology |
Socio-Economic Objective (SEO) 2008: | 970106 Expanding Knowledge in the Biological Sciences | Socio-Economic Objective (SEO) 2020: | 280102 Expanding knowledge in the biological sciences | Peer Reviewed: | Yes | HERDC Category Description: | C1 Refereed Article in a Scholarly Journal |
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Appears in Collections: | Journal Article School of Science and Technology |
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