{"refrec":{"BRefID":209474,"RR":"<b>Tovar-Hernández, M.A.; Yáñez-Rivera, B.; Bortolini-Rosales, J.L.</b> (2011). Reproduction of the invasive fan worm <i>Branchiomma bairdi</i> (Polychaeta: Sabellidae). <i>Mar. Biol. Res. 7(7)</i>: 710-718. <a href=\"https://dx.doi.org/10.1080/17451000.2010.547201\" target=\"_blank\">https://dx.doi.org/10.1080/17451000.2010.547201</a>","BEntID":201456,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. Res. 7(7)</i>: 710-718. <a href=\"https://dx.doi.org/10.1080/17451000.2010.547201\" target=\"_blank\">https://dx.doi.org/10.1080/17451000.2010.547201</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Tovar-Hernández, M.A.; Yáñez-Rivera, B.; Bortolini-Rosales, J.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Tovar-Hernández, M.A. <i>et al.</i>","Englishabstract":"The fan worm <i>Branchiomma bairdi</i> has been introduced to the Gulf of California from its original distribution in the Caribbean Sea, and is now a conspicuous component of most benthic communities. Study of reproductive features is essential to understand the dispersion capability of <i>B. bairdi</i> and its invasive potential. Sampling was carried out monthly in the port of Mazatlán during 2009 (23°12'13''N, 106°24'31.4''W). Abundance and biomass were measured. Sex and maturity were determined. Gametogenesis and observations on the spawning, fertilization, larval development and brooding are presented. The highest values of abundance (&gt;2500 worms m<sup>-2</sup>) and biomass (175 g m<sup>-2</sup>) occurred during August and September. Mature simultaneous hermaphrodite worms were found continuously throughout the annual cycle as well as asexual forms. In <i>B. bairdi</i> gametogenesis is extra-ovarian. Three posterior thoracic segments and all abdominal segments are involved in the production of gametes. Sperm are ect-aquasperm type (free spawners with external fertilization). Spermatids are grouped in tetrads. Ovules are retained for intra-tubular fertilization. Larval development is lecithotrophic. Embryos are brooded on the collar and branchial crown.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Reproduction of the invasive fan worm <i>Branchiomma bairdi</i> (Polychaeta: Sabellidae)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-03 01:32:02.013073","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Hermaphroditism; oogenesis; parental care; sabellids; scissiparity","OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2018-02-15","DateCreate":"2011-11-10","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000299033400008","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/17451000.2010.547201"},"refs":null,"anarec":{"AnaID":209474,"PubliDate":2011,"Pagination":"710-718","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":"7","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":72882,"SerRR":"Marine Biology Research. Taylor & Francis: Oslo; Basingstoke.  ISSN 1745-1000; e-ISSN 1745-1019","StandardTitleSer":"Marine Biology Research","ISSN":"1745-1000","AbbrevSer":"Mar. Biol. 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