Amphibia, Anura, Hylidae, Scinax nasicus (Cope, 1862): distribution extension

Carezzano, Fernando; Cabrera, Mario Roberto

doi:10.15560/6.3.390

Cited by 3 publications

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“…Scinax nasicus was described from an unknown locality, somewhere along the drainages of the Paraná and Paraguay Rivers in Brazil, northeastern Argentina, and southern Paraguay (Cope, 1862a). It is widely distributed throughout Paraguay, northern and central Argentina, Uruguay, eastern Bolivia, and central and southern Brazil (Lutz, 1973a; Cei, 1980; De la Riva et al, 2000; Carezzano and Cabrera, 2010; Jansen et al, 2011; Santos et al, 2011; Weiler et al, 2013; Dalmolin et al, 2017). According to Jansen et al (2011), there are two Bolivian lineages referred to S. nasicus ( S .…”

Section: Discussionmentioning

confidence: 99%

Treefrog Diversity in the Neotropics: Phylogenetic Relationships of Scinaxini (Anura: Hylidae: Hylinae)

Araujo‐Vieira

Lourenço

Lacerda

et al. 2023

South American Journal of Herpetology

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Section: Discussionmentioning

confidence: 99%

Treefrog Diversity in the Neotropics: Phylogenetic Relationships of Scinaxini (Anura: Hylidae: Hylinae)

Araujo‐Vieira

Lourenço

Lacerda

et al. 2023

South American Journal of Herpetology

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“…At the political distribution point of view species has been recorded to North and Central Argentina, eastern Bolivia, Central, South-Southeastern Brazil, Paraguay, and extreme Northwestern Uruguay (Giménez and Gallego, 2000;Salas and Di Tada, 2001;Candioti et al, 2004;Carezzano and Cabrera, 2010;Maneyro and Carreira, 2012;Kwet et al, 2004;Frost, 2016). For the state of Rio Grande do Sul, previous records are known for the municipalities of Caçapava do Sul (Both et al, 2011), Itaqui (Giasson, 2001), Santa Maria (Cechin et al, 2002), Alvorada, Esteio, Gravataí, Porto Alegre, and Triunfo (Fonte et al, 2013 In addition to the sampling fields, we examined deposited material in the scientific collections of the state.…”

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confidence: 99%

First record of the Lesser Snouted Treefrog Scinax nasicus (Cope, 1862) in Brazilian coast and new species records for the state of Rio Grande do Sul

Dalmolin

Rosa²,

Freire³

et al. 2016

Braz. J. Biol.

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Herein, we provide new occurrence records of Scinax nasicus (Cope, 1862) for the state of Rio Grande do Sul, Southern Brazil. All new records here provide are located on Southern half of the state. Besides this, we provide the first record for species in Brazilian coastal zone. Those records improve considerably our knowledge regarding species distribution in Southern Brazil.Keywords: Brazil subtropical, Pampa Domain, Scinax ruber clade. Primeiro registro da perereca-de-banheiro Scinax nasicus (Cope, 1862) na costa do Brasil e novos registros para o estado do Rio Grande do Sul ResumoAqui, nós fornecemos novos registros de ocorrência de Scinax nasicus (Cope, 1862) para o estado do Rio Grande do Sul, Sul do Brasil. Todos os novos registros aqui fornecidos estão localizados na metade sul do estado. Além disso, nós fornecemos o primeiro registro para a espécie na zona costeira brasileira. Esses registros melhoram consideravelmente o nosso conhecimento sobre a distribuição da espécie no Sul do Brasil. Palavras-chave: Brasil subtropical, Domínio do Pampa, clado Scinax ruber.Scinax nasicus (Cope, 1862) is morphologically characterized by having a flattened body, rounded snout in dorsal view and truncated in side view, and it has a relatively small body size (~35 mm CRC) by comparison with other species of the Scinax ruber clade (Pombal Junior et al., 1995). Even so, species may be confounded with other sympatric species of S. ruber clade, such Scinax fuscovarius (Lutz, 1925), Scinax granulatus (Peters, 1871) and Scinax perereca (Pombal Junior et al., 1995). When available, advertisement call is one of the more effective tools to confirm species identification once that it has shorter duration compose by a single note by comparison with their congeners.

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Análisis morfométrico de poblaciones larvales de Rhinella arenarum (Anura: Bufonidae) provenientes de ambientes con distinto nivel de perturbación antropogénica del centro de Argentina

Panigo

Bellone²,

Carezzano³

2022

Intropica

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Se analizaron comparativamente variables corporales de dos poblaciones larvales de Rhinella arenarum provenientes de ambientes del centro de Argentina con distintos grados de perturbación antropogénica. Una se halla en hábitats cuasiprístinos (L1), mientras que la otra corresponde a un agroecosistema (L2). Se tomaron 13 variables morfométricas: largo total (TL), largo del cuerpo (BL), largo de la cola (TAL), altura máxima del cuerpo (BMH), alto máximo de la cola (MTH), alto del músculo de la cola (TMH), ancho máximo del cuerpo (BMW), ancho del músculo de la cola (TMW), distancia internarina (IND), distancia interocular interna (IO), diámetro del ojo (E), distancia ojo-narina (EN) y ancho del disco oral (OD), con las que se obtuvieron 11 índices corporales: IC01 (BL/BMW), IC02 (TMW/BMH), IC03 (TMH/TL), IC04 (BMH*BMW* BL), IC05 (OD/BMW), IC06 (MTH*TMW*TAL), IC07 (IC04+IC06), IC08 (IO/IND), IC09 (E*2/BMW), IC10 (EN/BL) e IC11 (IO/BMW). Los tres primeros asocian rasgos del uso de hábitat, desplazamiento y comportamiento antidepredatorio; del IC04 al IC07 relacionan la influencia de los anfibios en el flujo de materia y energía, y del IC08 al IC11 se refieren a rasgos morfológicos que determinan la dieta y percepción del medio. Para cada variable e índice corporal se realizó un análisis univariado que comprendió estimaciones de posición, dispersión y análisis de distribución. Con base en los resultados obtenidos, se infiere que hay diferencias estadísticamente significativas en seis variables corporales (IND, TMW, BMH, TMH, MTH y OD) y en siete índices (IC01, IC02, IC03, IC05, IC06, IC10 y IC11), lo que permite deducir que ejemplares del L2 influyen más que los de L1 en su hábitat. Por lo expuesto, es posible concluir que las presiones ambientales han llevado a las poblaciones analizadas a un desarrollo diferencial del estado larval, que se pone de manifiesto en cambios en las relaciones morfométricas y uso del hábitat.

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Amphibia, Anura, Hylidae, Scinax nasicus (Cope, 1862): distribution extension

Cited by 3 publications

References 0 publications

Treefrog Diversity in the Neotropics: Phylogenetic Relationships of Scinaxini (Anura: Hylidae: Hylinae)

Treefrog Diversity in the Neotropics: Phylogenetic Relationships of Scinaxini (Anura: Hylidae: Hylinae)

First record of the Lesser Snouted Treefrog Scinax nasicus (Cope, 1862) in Brazilian coast and new species records for the state of Rio Grande do Sul

Análisis morfométrico de poblaciones larvales de Rhinella arenarum (Anura: Bufonidae) provenientes de ambientes con distinto nivel de perturbación antropogénica del centro de Argentina

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