Reproductive biology of the neotropical superfetaceous Pamphorichthys hollandi (Cyprinodontiformes : Poeciliidae)
dc.contributor.author | Casatti, L. | |
dc.contributor.author | Carvalho, F. R. | |
dc.contributor.author | Veronezi, J. L. | |
dc.contributor.author | Lacerda, D. R. | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.date.accessioned | 2014-05-20T15:23:08Z | |
dc.date.available | 2014-05-20T15:23:08Z | |
dc.date.issued | 2006-03-01 | |
dc.description.abstract | We investigated sex ratio, reproductive period, fecundity, and sexual dimorphism of Pamphorichthys hollandi in southeastern Brazil. Reproductive status was identified according to a female's gonads/embryos development scale. of the 613 collected specimens, 373 (60 %) were females and 240 (40 %) males giving a sex ratio of I male: 1.6 female. Sexual dimorphism was evident in respect to body size, body coloration, and anal and pelvic-fin morphologies. The highest proportion of reproductive females was registered in January and February, which represent wet and hot periods. The simultaneous presence of more than one litter at different stages of development within a single female characterized this species as superfetaceous. | en |
dc.description.affiliation | Univ Estadual Paulista, Lab Ictiol, Dept Bot & Zool, BR-15054000 Sao Jose do Rio Preto, SP, Brazil | |
dc.description.affiliationUnesp | Univ Estadual Paulista, Lab Ictiol, Dept Bot & Zool, BR-15054000 Sao Jose do Rio Preto, SP, Brazil | |
dc.format.extent | 59-64 | |
dc.identifier | http://www.pfeil-verlag.de/04biol/pdf/ief17_1_05.pdf | |
dc.identifier.citation | Ichthyological Exploration of Freshwaters. Munich: Verlag Dr. Friedrich Pfeil, v. 17, n. 1, p. 59-64, 2006. | |
dc.identifier.issn | 0936-9902 | |
dc.identifier.lattes | 8041011456158217 | |
dc.identifier.uri | http://hdl.handle.net/11449/33979 | |
dc.identifier.wos | WOS:000235764700005 | |
dc.language.iso | eng | |
dc.publisher | Verlag Dr. Friedrich Pfeil | |
dc.relation.ispartof | Ichthyological Exploration of Freshwaters | |
dc.relation.ispartofjcr | 0.783 | |
dc.relation.ispartofsjr | 0,714 | |
dc.rights.accessRights | Acesso aberto | |
dc.source | Web of Science | |
dc.title | Reproductive biology of the neotropical superfetaceous Pamphorichthys hollandi (Cyprinodontiformes : Poeciliidae) | en |
dc.type | Artigo | |
dcterms.license | http://www.pfeil-verlag.de/04biol/e9902d.php | |
dcterms.rightsHolder | Verlag Dr. Friedrich Pfeil | |
unesp.author.lattes | 8041011456158217 | |
unesp.campus | Universidade Estadual Paulista (Unesp), Instituto de Biociências, Letras e Ciências Exatas, São José do Rio Preto | pt |
unesp.department | Zoologia e Botânica - IBILCE | pt |
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