{"refrec":{"BRefID":323823,"RR":"<b>Clements, J.C.; Schagerström, E.; Dupont, S.; Jutfelt, F.; Ramesh, K.</b> (2020). Roll, right, repeat: short-term repeatability in the self-righting behaviour of a cold-water sea cucumber. <i>J. Mar. Biol. Ass. U.K. 100(1)</i>: 115-120. <a href=\"https://dx.doi.org/10.1017/s0025315419001218\" target=\"_blank\">https://dx.doi.org/10.1017/s0025315419001218</a>","BEntID":317295,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>J. Mar. Biol. Ass. U.K. 100(1)</i>: 115-120. <a href=\"https://dx.doi.org/10.1017/s0025315419001218\" target=\"_blank\">https://dx.doi.org/10.1017/s0025315419001218</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Clements, J.C.; Schagerström, E.; Dupont, S.; Jutfelt, F.; Ramesh, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Clements, J.C. <i>et al.</i>","Englishabstract":"For many benthic marine invertebrates, inversion (being turned upside-down) is a common event that can increase vulnerability to predation, desiccation and unwanted spatial transport, and requires behavioural ‘self-righting’ to correct. While self-righting behaviour has been studied for more than a century, the repeatability (R) – the portion of behavioural variance due to inter-individual differences – of this trait is not well understood. Heritability and the evolution of animal behaviour rely on behavioural repeatability. Here, we examined the self-righting technique of a cold-water holothurid, <span class=\"italic\">Parastichopus tremulus</span>, and assessed the repeatability of this behaviour. Under laboratory conditions, <span class=\"italic\">P. tremulus</span> consistently used muscle contractions to curl its body and roll itself back to an upright position, which provided for rapid (<span class=\"italic\">x̅</span> ± SD = 96.7 ± 49.8 s) and highly repeatable (<span class=\"italic\">R</span> = 0.75) self-righting in the short term that varied between individuals (range of individual average righting times = 34.8–217.0 s). Righting time tended to increase with animal size; however, substantial variation was evident at comparable sizes, as average righting time ranged from 34.8–155.5 s for animals ~20 cm in body length. Contrary to previous studies on other echinoderms, we found no evidence of improved righting times for <span class=\"italic\">P. tremulus</span> over time. This study ultimately provides the first detailed documentation of self-righting behaviour for <span class=\"italic\">P. tremulus</span> and suggests that this species displays a high degree of repeatability for this trait in the short term.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Roll, right, repeat: short-term repeatability in the self-righting behaviour of a cold-water sea cucumber","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-23 01:33:01.492374","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-05-07","DateCreate":"2020-05-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000512625900012","VABBcode":null,"OpenAcc":0,"DOI":"10.1017/s0025315419001218"},"refs":null,"anarec":{"AnaID":323823,"PubliDate":2020,"Pagination":"115-120","XtraPublOfAnaID":null,"ISBN":null,"Volume":"100","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43277,"SerRR":"Journal of the Marine Biological Association of the United Kingdom. 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