Use of a nursery area by cownose rays (Rhinopteridae) in southeastern Brazil

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dc.contributor.authorRangel, Bianca S.
dc.contributor.authorRodrigues, Alexandre [UNESP]
dc.contributor.authorMoreira, Renata G.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-11-26T17:48:52Z
dc.date.available2018-11-26T17:48:52Z
dc.date.issued2018-01-01
dc.description.abstractUsing non-lethal methods for data collection of individuals and participatory monitoring by fishermen, we provide the first empirical evidence of the use of a nursery area by neonate and young-of-the-year cownose rays Rhinoptera bonasus and R. brasiliensis in southeastern Brazil. Two methods were used to collect data: (1) information provided by fishermen (reports, pictures, and videos) and (2) field sampling by researchers. A total of 746 cownose rays were captured; 113 have been identified as R. bonasus, 15 as R. brasiliensis, and 618 were reported by fishermen and could not be identified to the species. Records of newborns were made only in late spring and summer in 2015, 2016, and 2017, which suggests an annual reproductive cycle, with birth in late spring, extending to summer. A repeated use of this area by R. bonasus suggests that it is potentially important to the reproduction of this species. However, R. brasiliensis requires more studies. Small increases in mortality, resulting from increased fishing or other anthropogenic stressors, can have a disproportionately large effect on population viability. Thus, management of areas used during critical stages of the life cycle of rays is crucial to their conservation.en
dc.description.affiliationUniv Sao Paulo, Inst Biociencias, Dept Fisiol, Lab Metab & Reprod Organismos Aquat, Rua Matao,Travessa 14,321, BR-05508090 Sao Paulo, SP, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Biociencias Botucatu, Lab Biol & Genet Peixes, Rua Prof Dr Antonio Celso Wagner Zanin S-N, BR-18618689 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Biociencias Botucatu, Lab Biol & Genet Peixes, Rua Prof Dr Antonio Celso Wagner Zanin S-N, BR-18618689 Botucatu, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: FAPESP 2014/16320-7
dc.description.sponsorshipIdFAPESP: FAPESP 2016/09095-2
dc.format.extent7
dc.identifierhttp://dx.doi.org/10.1590/1982-0224-20170089
dc.identifier.citationNeotropical Ichthyology. Sao Paulo: Soc Brasileira Ictiologia, v. 16, n. 1, 7 p., 2018.
dc.identifier.doi10.1590/1982-0224-20170089
dc.identifier.fileS1679-62252018000100213.pdf
dc.identifier.issn1679-6225
dc.identifier.scieloS1679-62252018000100213
dc.identifier.urihttp://hdl.handle.net/11449/164039
dc.identifier.wosWOS:000428684300001
dc.language.isoeng
dc.publisherSoc Brasileira Ictiologia
dc.relation.ispartofNeotropical Ichthyology
dc.relation.ispartofsjr0,559
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectEarly life-history
dc.subjectNeonates
dc.subjectNewborn
dc.subjectNon-lethal
dc.subjectYoung of the year
dc.titleUse of a nursery area by cownose rays (Rhinopteridae) in southeastern Brazilen
dc.typeArtigo
dcterms.rightsHolderSoc Brasileira Ictiologia

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