A survey of freshwater gastropods in the Microrregião Serrana of the State of Rio de Janeiro, Brazil

Thiengo, Silvana Carvalho; Fernandez, Mônica Ammon; Boaventura, M. Fernanda; Stortti, Marcelo A

doi:10.1590/s0074-02761998000700041

Cited by 21 publications

(30 citation statements)

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“…The present study extended the geographical distribution of B. tenagophila in the state of Rio de Janeiro (Paraense 1986, Thiengo et al 1998, 2001, 2002ab, 2004 In relation to the non-vector planorbid species, D. anatinum was the most common, followed by D. cimex. In the previously studied mesoregions, the most frequent species were D. anatinum in the Metropolitana and Centro Fluminense Mesoregions (Thiengo et al 2001(Thiengo et al , 2002a, D. cimex in the Baixadas Mesoregion (Thiengo et al 2002b) and D. lucidum in the Sul Fluminense Mesoregion (Thiengo et al 2004).…”

Section: Discussionsupporting

confidence: 62%

“…In the previously studied mesoregions, the most frequent species were D. anatinum in the Metropolitana and Centro Fluminense Mesoregions (Thiengo et al 2001(Thiengo et al , 2002a, D. cimex in the Baixadas Mesoregion (Thiengo et al 2002b) and D. lucidum in the Sul Fluminense Mesoregion (Thiengo et al 2004). The distribution of A. nordestensis, previously known in 28 municipalities in the state (Thiengo et al 1998, Santos et al 1999, Thiengo et al 2001, 2002ab, 2004, is now extended to include Campos, Conceição de Macabu, Macaé, and São Fidélis.…”

Section: Discussionmentioning

confidence: 99%

“…Of the remaining ancylid species, H. moricandi was reported in the Metropolitana Mesoregion only (Thiengo et al 1998), under the name of Gundlachia moricandi (Orbigny, 1837); specimens of Burnupia sp. were found in the Baixadas and Metropolitana Mesoregions whereas those of Ferrissia sp.…”

Section: Discussionmentioning

confidence: 99%

“…An intensive and detailed survey of freshwater snails of the state of Rio de Janeiro has been performed by the authors since 1997 and the results were published in five papers (Thiengo et al 1998(Thiengo et al , 2001(Thiengo et al , 2002ab, 2004. Thus, aiming to carry on that survey collections were made from March, 2002to September, 2003 in the following municipalities of the Norte Fluminense Mesoregion: Carapebus, Conceição de Macabu, Macaé, Quissamã (Macaé Microregion), Campos dos Goytacazes, Cardoso Moreira, São Fidélis, São Francisco de Itabapoana, and São João da Barra (Campos dos Goytacazes Microregion).…”

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confidence: 99%

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Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V - Norte fluminense mesoregion

Thiengo¹,

Mattos²,

Boaventura³

et al. 2004

Mem. Inst. Oswaldo Cruz

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Section: Discussionsupporting

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V - Norte fluminense mesoregion

Thiengo¹,

Mattos²,

Boaventura³

et al. 2004

Mem. Inst. Oswaldo Cruz

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“…These reservoirs exist in a semiarid climate, are highly eutrophic, and generally have high mean water temperatures (>28 °C), which demonstrates the impressive ecological plasticity of this species. These exotic and invasive mollusks can colonise different environments and in different trophic conditions, from oligotrophic to intensely eutrophic, lotic or lentic, and even brackish systems (Roessler et al, 1977;Thiengo et al, 1998;Sinha and Das, 1993;Silva et al,1994;Giovanelli et al, 2005;Vidigal et al, 2005).…”

Section: Ecologymentioning

confidence: 99%

The introduced snail Melanoides Tuberculatus (Muller, 1774) (Mollusca: Thiaridae) in aquatic ecosystems of the Brazilian Semiarid Northeast (Piranhas-Assu River basin, State of Rio Grande do Norte)

Santos

Eskinazi-Sant’Anna

2010

Braz. J. Biol.

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Records of the gastropod Melanoides tuberculatus (Müller, 1774), family Thiaridae, in the Piranhas-Assu River basin in Rio Grande do Norte reveal the dispersal of this native Southeast Asian and East African species into aquatic environments of the Brazilian semiarid region, including artificial environments (reservoirs) and lotic systems. The eutrophic conditions of the local waterbodies appear to favor the present situation, where this invasive species reaches extremely high densities, sometimes over 10,000 ind.m -2 as in Armando Ribeiro Gonçalves Reservoir. These observations indicate the immediate need for new studies on the spatial distribution of the species and its potential impact on the biodiversity and water quality of the waterbodies of the semiarid region of the state. Implantation of regular and systematic monitoring of the aquatic resources of the region is urgently required. ResumoRegistros da presença do gastrópode Melanoides tuberculatus (Müller, 1774), família Thiaridae, na bacia do Rio Piranhas-Assú no Rio Grande do Norte, revelam a dispersão desta espécie nativa do sudeste asiático e leste africano para ambientes aquáticos do semiárido brasileiro, incluindo ambientes artificiais (reservatórios) e sistemas lóticos. As condições eutróficas dos corpos d'água potiguares parecem favorecer a presente situação, em que a espécie invasora atingiu densidades extremamente elevadas, com valores acima de 10.000 ind.m -2 , como no reservatório Armando Ribeiro Gonçalves. Estas observações indicam a necessidade imediata de novos estudos sobre a distribuição espacial da espécie e seu potencial de impacto sobre a biodiversidade e qualidade da água dos corpos d'água do semiárido potiguar. Neste contexto, torna-se urgente a implantação de um regular e sistemático monitoramento dos recursos hídricos da região.Palavras-chave: Thiaridae, Melanoides tuberculatus, espécie invasora, semiárido brasileiro.

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The development of Angiostrongylus vasorum (Baillet, 1866) in the freshwater snail Pomacea canaliculata (Lamarck, 1822)

et al. 2014

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Angiostrongylus vasorum is a parasitic nematode that infects the heart and pulmonary artery and its branches of domestic and wild canids. The parasite can use several species of terrestrial and aquatic molluscs as intermediate hosts, although susceptibility varies. Pomacea canaliculata is a mollusc found in lakes, swamps and rivers in South America. In this study, we evaluated the susceptibility, parasite growth, oviposition and larval development of 282 P. canaliculata infected with 500 A. vasorum first-instar larvae (L1). From day 5 post-infection (pi) to day 30 pi, seven specimens per day were sacrificed to recover the larval instars. We compared 50 egg masses from infected and uninfected molluscs to determine the number of eggs per clutch, the hatching rate and the growth of the molluscs. The percentage of recovered larvae ranged from 39.17% to 67.5%. First-stage larvae (L1) were found until day 19 pi, second-stage larvae (L2) were found from days 11 to 25 pi, and third-stage larvae (L3) were recovered only after day 19 pi. Infected snails exhibited the most eggs during spawning, although the rate of hatching and shell size were lower in the infected snails compared with controls. This is the first report of an experimental infection of P. canaliculata with A. vasorum, and the results confirm the non-specificity of the nematode in relation to the intermediate host and indicate the importance of epidemiological surveys of this parasite and mollusc.

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A survey of freshwater gastropods in the Microrregião Serrana of the State of Rio de Janeiro, Brazil

Cited by 21 publications

References 0 publications

Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V - Norte fluminense mesoregion

Freshwater snails and schistosomiasis mansoni in the state of Rio de Janeiro, Brazil: V - Norte fluminense mesoregion

The introduced snail Melanoides Tuberculatus (Muller, 1774) (Mollusca: Thiaridae) in aquatic ecosystems of the Brazilian Semiarid Northeast (Piranhas-Assu River basin, State of Rio Grande do Norte)

The development of Angiostrongylus vasorum (Baillet, 1866) in the freshwater snail Pomacea canaliculata (Lamarck, 1822)

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