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Their behavioural adaptations to subterranean environments, however, are poorly understood. Wall\u2010following (WF) behaviour, where an organism remains in close contact with the boundary demarcating its habitat when in the dark, is a peculiar behaviour observed in a wide range of animals and is enhanced in cave dwellers. Hence, we hypothesise that wall\u2010following is also present in <jats:italic>Sinocyclocheilus<\/jats:italic>, possibly enhanced in eyeless species compared to eye bearing (normal\u2010\/micro\u2010eyed species). Using 13 species representative of <jats:italic>Sinocyclocheilus<\/jats:italic> radiation and eye morphs, we designed a series of assays, based on pre\u2010existing methods for <jats:italic>Astyanax mexicanus<\/jats:italic> behavioural experiments, to examine wall\u2010following behaviour under three conditions. Our results indicate that eyeless species exhibit significantly enhanced intensities of WF compared to normal\u2010eyed species, with micro\u2010eyed forms demonstrating intermediate intensities in the WF distance. Using a mtDNA based dated phylogeny (chronogram with four clades A\u2013D), we traced the degree of WF of these forms to outline common patterns. We show that the intensity of WF behaviour is higher in the subterranean clades compared to clades dominated by normal\u2010eyed free\u2010living species. We also found that eyeless species are highly sensitive to vibrations, whereas normal\u2010eyed species are the least sensitive. Since WF behaviour is presented to some degree in all <jats:italic>Sinocyclocheilus<\/jats:italic> species, and given that these fishes evolved in the late Miocene, we identify this behaviour as being ancestral with WF enhancement related to cave occupation. Results from this diversification\u2010scale study of cavefish behaviour suggest that enhanced wall\u2010following behaviour may be a convergent trait across all stygomorphic lineages.<\/jats:p>","DOI":"10.1002\/ece3.11575","type":"journal-article","created":{"date-parts":[[2024,6,26]],"date-time":"2024-06-26T05:59:49Z","timestamp":1719381589000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Wall\u2010following \u2013 Phylogenetic context of an enhanced behaviour in stygomorphic <i>Sinocyclocheilus<\/i> (Cypriniformes: Cyprinidae) cavefishes"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5259-7086","authenticated-orcid":false,"given":"Bing","family":"Chen","sequence":"first","affiliation":[{"name":"Guangxi Key Laboratory for Forest Ecology and Conservation, College of Forestry Guangxi University  Nanning China"},{"name":"Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, Center of Evolutionary Biology, School of Life Sciences Fudan University  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wen\u2010Zhang","family":"Dai","sequence":"additional","affiliation":[{"name":"School of Life Science and Institute of Wetland Ecology Nanjing University  Nanjing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiang\u2010Lin","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Efficient Production of Forest Resources School of Ecology and Nature Conservation, Beijing Forestry University  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ting\u2010Ru","family":"Mao","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory for Forest Ecology and Conservation, College of Forestry Guangxi University  Nanning China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ye\u2010Wei","family":"Liu","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory for Forest Ecology and Conservation, College of Forestry Guangxi University  Nanning China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2949-4871","authenticated-orcid":false,"given":"Marcio R.","family":"Pie","sequence":"additional","affiliation":[{"name":"Biology Department Edge Hill University  Ormskirk Lancashire UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jian","family":"Yang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Environment Change and Resource Use, Beibu Gulf Nanning Normal University  Nanning Guangxi China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4599-6724","authenticated-orcid":false,"given":"Madhava","family":"Meegaskumbura","sequence":"additional","affiliation":[{"name":"Guangxi Key Laboratory for Forest Ecology and Conservation, College of Forestry Guangxi University  Nanning China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,6,25]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10641\u2010014\u20100235\u2010x"},{"key":"e_1_2_11_3_1","unstructured":"Barto\u0144 K.(2019).MuMIn: Multi\u2010model inference.https:\/\/www.cran.mtu.edu\/web\/packages\/MuMIn\/MuMIn.pdf"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.18637\/jss.v067.i01"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.0014\u20103820.2003.tb00285.x"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1186\/1741\u20107007\u201011\u201081"},{"key":"e_1_2_11_7_1","volume-title":"Chance mechanisms underlying univariate distributions","author":"Boswell M. 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