{"refrec":{"BRefID":210987,"RR":"<b>Fourgon, D.; Jangoux, M.; Eeckhaut, I.</b> (2007). Biology of a \"babysitting\" symbiosis in brittle stars: analysis of the interactions between <i>Ophiomastix venosa</i> and <i>Ophiocoma scolopendrina</i>. <i>Invertebr. Biol. 126(4)</i>: 385-395. <a href=\"http://dx.doi.org/10.1111/j.1744-7410.2007.00108.x\" target=\"_blank\">dx.doi.org/10.1111/j.1744-7410.2007.00108.x</a>","BEntID":202909,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Invertebr. Biol. 126(4)</i>: 385-395. <a href=\"https://dx.doi.org/10.1111/j.1744-7410.2007.00108.x\" target=\"_blank\">https://dx.doi.org/10.1111/j.1744-7410.2007.00108.x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fourgon, D.; Jangoux, M.; Eeckhaut, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fourgon, D. <i>et al.</i>","Englishabstract":"\"Babysitting\" symbioses between brittle star species involve juveniles of one species and adults of another. During this phenomenon, reported from many localities in the Indo-Pacific Ocean, juveniles are attached to the disk or lie in the bursa of the adults. The symbiosis between members of <i>Ophiomastix venosa</i> and their host, <i>Ophiocoma scolopendrina</i>, was investigated on the Great Barrier Reef of Toliara (Madagascar) during a 14-month period. The population of <i>O. scolopendrina</i> only occurs on rocky spurs that frequently emerge at low tide, while the population of <i>O. venosa</i> lies in adjacent surge channels that are always immersed. Only juveniles of <i>O. venosa</i> associated with adults of <i>O. scolopendrina</i> may occur on the rocky spurs. Analyses conducted on the populations of the two species showed that (1) the symbiosis is facultative and that symbiotic juveniles migrate into the channels when they reach a disc diameter of 6 mm, and (2) recruitment in the channels occurs in April. Host choice experiments, Y-tube experiments, and experiments assessing the resistance of the ophiuroids to air-drying were conducted in the laboratory. The experiments clearly demonstrated that (1) symbiotic juveniles of <i>O. venosa</i> specifically recognize adults of <i>O. scolopendrina</i>, while free juveniles of the same size do not, and (2) juveniles of <i>O. venosa</i> would not survive air-drying conditions similar to those observed on the spurs at low tides if they were not in symbiosis with adults of <i>O. scolopendrina</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biology of a \"babysitting\" symbiosis in brittle stars: analysis of the interactions between <i>Ophiomastix venosa</i> and <i>Ophiocoma scolopendrina</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"symbiosis; commensalisms; echinoderm; ophiuroid","OtherDescriptors":null,"Notes":null,"AnaPub":2007,"MonPub":null,"DateUpdate":"2012-06-06","DateCreate":"2011-12-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000251587400008","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/j.1744-7410.2007.00108.x"},"refs":null,"anarec":{"AnaID":210987,"PubliDate":2007,"Pagination":"385-395","XtraPublOfAnaID":null,"ISBN":null,"Volume":"126","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43171,"SerRR":"Invertebrate biology. 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