{"refrec":{"BRefID":61457,"RR":"<b>Marche-Marchad, I.</b> (1975). Observations sur <i>Monobrachium drachi</i> Marche-Marchad hydraire (Limnomedusae) à méduse non pélagique commensal d'un lamellibranche de la côte occidentale d'Afrique = Observations on <i>Monobrachium drachi</i> Marche-Marchad (Limnomedusae), a hydroid with a non-pelagic medusoid, commensal of a lamellibranch of the west coast of Africa. <i>Cah. Biol. Mar. 16(4)</i>: 569-584 (2plates)","BEntID":58094,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Cah. Biol. Mar. 16(4)</i>: 569-584 (2plates)","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Marche-Marchad, I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Marche-Marchad, I.","Englishabstract":"The gen <i>Monobrachium</i> is a commensal hydroid of some minute lamellibranchs. 3 spp are known (<i>M. parasitum</i> Mereschkowsky 1877, <i>M. drachi</i> Marche-Marchad 1963 and <i>M. antarctica</i> Robins 1972) in this gen of wide distribution from Arctica to Antarctica and even in California and the west coast of Africa (Senegal). <i>M. drachi</i>, commensal of the viviparous <i>Cuna gambiensis</i> Nickles is characterized by the presence of an hydrorhize without defensive zoids which covers as a regular net, all the surface of the shell. The hydranthe tentacle has a entodermal axis. The medusoid has 4 well developed radial canals along which spread 4 gonads, a vestigial circular canal and 4 rudimental short tentacles. The manubrium is very small and closed. The study in vivo shows that the medusoid is liberated and has a very short benthic life during which the genital products are liberated through the velar aperture. Fecundation is external; the number of eggs approaches 140 and their diam is 100 {mu}. The study in vivo reveals a strict adaptation of <i>M. drachi</i> to the ecology and ethology of its host <i>C. gambiensis</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Observations sur <i>Monobrachium drachi</i> Marche-Marchad hydraire (Limnomedusae) à méduse non pélagique commensal d'un lamellibranche de la côte occidentale d'Afrique = Observations on <i>Monobrachium drachi</i> Marche-Marchad (Limnomedusae), a hydroid with a non-pelagic medusoid, commensal of a lamellibranch of the west coast of Africa","OrigTitleLangCode":"fr","OrigTitleLangCodeExtended":"fre","OrigTitleLangID":22,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1975,"MonPub":null,"DateUpdate":"2016-02-23","DateCreate":"2004-05-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":61457,"PubliDate":1975,"Pagination":"569-584 (2plates)","XtraPublOfAnaID":null,"ISBN":null,"Volume":"16","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42348,"SerRR":"Cahiers de Biologie Marine. 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