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	Provedor de dados Neotropical Ichthyology (2) Autor Afonso,André S. (2) Cantareli,Carlos V. (1) Hazin,Fábio H. V. (1) Levy,Rafael P. (1) Niella,Yuri V. (1) Veras,Leonardo B. (1) Mais... Palavra-chave Bite marks (1) Copulation (1) Drumline (1) Fernando de Noronha (1) Longline (1) Marine protected areas (1) Maturity status (1) Pop-up satellite archival tag (1) Recife (1) Reproductive aggregations (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2017 (1) 2016 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Evasive mating behaviour by female nurse sharks, Ginglymostoma cirratum (Bonnaterre, 1788), in an equatorial insular breeding ground Neotropical Ichthyology Afonso,André S.; Cantareli,Carlos V.; Levy,Rafael P.; Veras,Leonardo B.. ABSTRACT Mating events and aggregations of vulnerable nurse sharks Ginglymostoma cirratum were recorded in the insular protected area of Fernando de Noronha (FEN), Brazil, between April and August 2015. Female sharks were observed clustering in groups of up to 14 individuals in shallow water adjacent to the shore. Several evasive mating behaviours in the presence of males were noticed, including shoreward movement, positioning ventral side up at the sea surface with emerged pectoral and pelvic fins, body rolling and caudal fin thrashing. Fresh bite marks indicative of male courtship and coupling attempts were visible in female's pectoral and caudal fins. Altogether, the observed behaviours match previous reports of non-cooperative female nurse sharks... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bite marks; Copulation; Fernando de Noronha; Marine protected areas; Reproductive aggregations. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252016000400207 Bioecology and movements of bull sharks, Carcharhinus leucas , caught in a long-term longline survey off northeastern Brazil Neotropical Ichthyology Niella,Yuri V.; Afonso,André S.; Hazin,Fábio H. V.. ABSTRACT A robust understanding of habitat usage by coastal shark species, and how it overlaps with human presence in densely-populated regions is needed to inform the development of efficient conservation strategies for these important top predators. An intensive longline survey conducted in nearshore waters off northeastern Brazil from 2004 through 2014 caught a total of 18 bull sharks (Carcharhinus leucas) (male-female ratio = 0.63:1), which can be dangerous to humans. Although most sharks were sexually mature, there was no evidence that this region could be used as a parturition or nursery area. Prey items identified in the guts of the sharks comprised teleosts, mollusks and elasmobranchs. Additionally, one satellite-tagged bull shark covered a great... Tipo: Info:eu-repo/semantics/article Palavras-chave: Drumline; Longline; Maturity status; Pop-up satellite archival tag; Recife. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000300208 Registros recuperados: 2 Primeira ... 1 ... Última

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