{"refrec":{"BRefID":247052,"RR":"<b>Caulier, G.; Lepoint, G.; Van Nedervelde, F.; Eeckhaut, I.</b> (2014). The diet of the Harlequin crab <i>Lissocarcinus orbicularis</i>, an obligate symbiont of sea cucumbers (holothuroids) belonging to the genera <i>Thelenota, Bohadschia</i> and <i>Holothuria</i>. <i>Symbiosis 62(2)</i>: 91-99. <a href=\"http://dx.doi.org/10.1007/s13199-014-0274-2\" target=\"_blank\">dx.doi.org/10.1007/s13199-014-0274-2</a>","BEntID":238752,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Symbiosis 62(2)</i>: 91-99. <a href=\"https://dx.doi.org/10.1007/s13199-014-0274-2\" target=\"_blank\">https://dx.doi.org/10.1007/s13199-014-0274-2</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Caulier, G.; Lepoint, G.; Van Nedervelde, F.; Eeckhaut, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Caulier, G. <i>et al.</i>","Englishabstract":"The present paper characterizes, for the first time, the diet of the Harlequin crab <i>Lissocarcinus orbicularis</i>, an obligate symbiotic crab that associates with sea cucumbers (holothuroids) belonging to the genera <i>Thelenota</i>, <i>Bohadschia</i> and <i>Holothuria. These</i> tropical holothuroids host a rich symbiotic community in the Indo-West Pacific Ocean of which the Harlequin crab is the best known. The diet of <i>L. orbicularis</i> was characterized by analyzing the microscopic, molecular and isotopic signatures obtained from its gastric content. The presence of sea cucumber ossicles in the gastric mills of the crabs suggests that symbionts eat the superficial integument of their host and this was supported by the fact that Holothuroid DNA was detected in the stomach of <i>L. orbicularis</i> after DGGE and sequencing of the 18S rDNA gene. The stable isotopic d<sup>13</sup>C and d<sup>15</sup>N values of crab tissues were compared with diverse potential food sources including three holothuroids, three algae, one sea grass as well as the organic matter contained in the water column, in the sediment, and the second most abundant symbiont, the polychaete <i>Gastrolepidia clavigera</i>. The low d<sup>15</sup>N values of crabs suggests that the crabs do not exclusively feed on sea cucumber tissue but assimilate diverse food sources such as sea grasses and organic matter contained in sediment that have similar d<sup>13</sup>C values. There were no differences between the feeding of males and females but there was a positive correlation between the carapace length and the stable isotopic values indicating a shift of the food source as crabs grow larger.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The diet of the Harlequin crab <i>Lissocarcinus orbicularis</i>, an obligate symbiont of sea cucumbers (holothuroids) belonging to the genera <i>Thelenota, Bohadschia</i> and <i>Holothuria</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":"Symbiotic crab; Crab diet; Holothuroid; Harlequin crab; Stable isotopes","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2015-08-07","DateCreate":"2015-05-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000334425700003","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s13199-014-0274-2"},"refs":null,"anarec":{"AnaID":247052,"PubliDate":2014,"Pagination":"91-99","XtraPublOfAnaID":null,"ISBN":null,"Volume":"62","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43941,"SerRR":"Symbiosis. 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