2004
DOI: 10.11606/issn.2316-9079.v3i1p69-71
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Sexual dimorphism, reproductive cycle, and fecundity of the water snake Ptychophis flavovirgatus (Serpentes, Colubridae)

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Cited by 10 publications
(4 citation statements)
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“…It is interesting that both species (T. strigatus and T. dorsatus) that have this type of female-biased sexual dimorphism produce larger clutches than other species of the tribe, probably due to fecundity selection. However, there is a positive relationship between mother size and clutch size in P. flavovirgatus, but there is no sexual dimorphism (Scartozzoni and Marques, 2004). Male-biased sexual dimorphism in body size was recorded to T. ocellatus, T. hypoconia, and T. chilensis (Gomes, 2016) and a high number of species of the tribe Tachymenini has no sexual dimorphism.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…It is interesting that both species (T. strigatus and T. dorsatus) that have this type of female-biased sexual dimorphism produce larger clutches than other species of the tribe, probably due to fecundity selection. However, there is a positive relationship between mother size and clutch size in P. flavovirgatus, but there is no sexual dimorphism (Scartozzoni and Marques, 2004). Male-biased sexual dimorphism in body size was recorded to T. ocellatus, T. hypoconia, and T. chilensis (Gomes, 2016) and a high number of species of the tribe Tachymenini has no sexual dimorphism.…”
Section: Discussionmentioning
confidence: 99%
“…Tachymenini Bailey 1967 is a monophyletic tribe (Zaher et al, 2009) of Dipsadidae widespread throughout South America. Its reproductive traits are highly conserved and most species are viviparous with a seasonal biennial reproductive cycle (Oliveira, Borges and Marques, 2003;Scartozzoni and Marques, 2004;Bizerra, Marques and Sazima, 2005) Tachymenini snakes probably originated in austral colder areas and dispersed into warmer areas afterward (Zaher et al, 2009), retaining their ancestral viviparous reproductive mode (Feldman et al, 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Não Ptychophis flavovirgatus é aquática e ocorre em áreas abertas associadas a ambientes lóticos da Mata Atlântica (Scartozzoni & Marques, 2004). A espécie e vivípara, com fecundidade entre 5 e 11 filhotes (Porto & Caramaschi, 1988;Scartozzoni & Marques, 2004). Há registro de consumo de peixe em cativeiro (Lema & Deiques, 1992).…”
Section: História Naturalunclassified

Ficha de Ptychophis flavovirgatus

Marcio Martins,
Cristiano de Campos Nogueira,
Carlos Eduardo Guidorizzi
et al. 2023
Datasets - Sistema SALVE - ICMBio
“…Tropidodryas serra e T. striaticeps são ovíparas (AMARAL, 1978;JENNER, 1981;MARQUES et al, 2000). Apesar dos recentes esforços em se estudar a biologia reprodutiva de serpentes tropicais (e. g. ALMEIDA-SANTOS & SALOMÃO, 2002;HARTMANN et al, 2004;SCARTOZZONI & MARQUES, 2004;PIZZATTO, 2005;ALMEIDA-SANTOS et al, 2006;PIZZATTO & MARQUES, 2006), as informações são ainda insuficientes para se tentar generalizar os padrões reprodutivos nos trópicos (PIZZATTO & MARQUES, 2002). Os poucos dados existentes sobre ciclo reprodutivo indicam que a reprodução de T. serra está restrita à estação chuvosa (MARQUES, 1998;MARQUES & SAZIMA, 2004), já o ciclo de T. striaticeps ainda não foi caracterizado, no entanto, sabe-se que as fêmeas podem fazer a oviposição na metade da estação chuvosa (CARDOSO & ALBUQUERQUE, 2006).…”
Section: Introductionunclassified