Melanoides tuberculatus (Müller, 1774): a new threat to the conservation of native aquatic species in Sergipe, Brazil.

In this study the occurrence of the exotic snail Melanoides tuberculatus was registered for the first time in Sergipe State, Brazil, in two conservation areas. In total, 227 snails were collected from rivers and a lake in both coastal and semi-arid regions (Lagoa Azul and Rio Sao Francisco). Owing to the fact that M. tuberculatus can act as an intermediate host of Centrocestus formosanus, the occurrence of this exotic species is a threat to local biodiversity in addition to becoming a serious problem of environment sanitarity.

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