Biology of Grapsus grapsus (LINNAEUS, 1758) (Brachyura, Grapsidae) in the Saint Peter and Saint Paul Archipelago, Equatorial Atlantic Ocean

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dc.contributor.authorFreire, A. S.
dc.contributor.authorPinheiro, M. A. A. [UNESP]
dc.contributor.authorKaram-Silva, H.
dc.contributor.authorTeschima, M. M.
dc.contributor.institutionCCB UFSC
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:12:24Z
dc.date.available2014-05-20T13:12:24Z
dc.date.issued2011-09-01
dc.description.abstractEleven expeditions were undertaken to the Saint Peter and Saint Paul Archipelago to study the reproductive biology of Grapsus grapsus, providing additional information on limb mutilation and carapace colour. MATURE software was used to estimate morphological maturity, while gonadal analyses were conducted to estimate physiological maturity. The puberty moult took place at larger size in males (51.4 mm of carapace length) than in females (33.8 mm), while physiological maturity occurred at a similar size in males (38.4 mm) and in females (33.4 mm). Above 50 mm, the proportion of red males increased in the population, indicating that functional maturity is also related to colour pattern. Small habitat and high local population density contributed to the high rate of cannibalism. The low diversity of food items, absence of predators of large crabs and high geographic isolation are the determinants of unique behavioural and biological characteristics observed in the G. grapsus population.en
dc.description.affiliationCCB UFSC, Dept Ecol & Zool, Lab Crustaceos Plancton, BR-88010970 Florianopolis, SC, Brazil
dc.description.affiliationUNESP, Grp Pesquisa Biol Crustaceos CRUSTA, BR-11330900 Sao Vicente, SP, Brazil
dc.description.affiliationUnespUNESP, Grp Pesquisa Biol Crustaceos CRUSTA, BR-11330900 Sao Vicente, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipComissao Interministerial para os Recursos do Mar (CIRM)
dc.description.sponsorshipIdCNPq: 48.0040/2004-4
dc.description.sponsorshipIdCNPq: 55.8470/2005-0
dc.format.extent263-273
dc.identifierhttp://dx.doi.org/10.1007/s10152-010-0220-5
dc.identifier.citationHelgoland Marine Research. New York: Springer, v. 65, n. 3, p. 263-273, 2011.
dc.identifier.doi10.1007/s10152-010-0220-5
dc.identifier.issn1438-387X
dc.identifier.urihttp://hdl.handle.net/11449/371
dc.identifier.wosWOS:000293980700001
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofHelgoland Marine Research
dc.relation.ispartofjcr0.949
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectGrapsus grapsusen
dc.subjectReproductive biologyen
dc.subjectSexual maturityen
dc.subjectMutilationen
dc.subjectEquatorial Atlantic Oceanen
dc.titleBiology of Grapsus grapsus (LINNAEUS, 1758) (Brachyura, Grapsidae) in the Saint Peter and Saint Paul Archipelago, Equatorial Atlantic Oceanen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, São Vicentept

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