We extensively surveyed eight estuaries along the coast of the state of Ceará in
northeastern Brazil. We include local samples and data compiled from online databases and …

Poecilia sphenops is a native species recently recorded in the Balsas basin and the
Amacuzac River in Morelos (Mexico), in which it is abundant and widely distributed. This …

This study reports the expansion of the known distribution of the invasive fish Xiphophorus
maculatus (Günther, 1866) into the upper Magdalena river basin. The new record comes …

We provide the first record of Xiphophorus maculatus (Günther, 1866) in a river basin in
northeastern Brazil. Specimens were collected in the Jaguaribe River basin, João Pessoa …

Despite the numerous reported introduction events of live-bearing poeciliids in tropical and
subtropical environments, the identification based only on alpha taxonomy is sometimes …

This study reports data on the first observation and biology of the Molly Poecilia sphenops,
an exotic fish species recently introduced into two natural and artificial aquatic hydrosystems …

In this note we report the new findings of two species of ornamental poeciliids: Xiphophorus
hellerii, first record for Argentina, and Poecilia reticulata, first record for the Salí River basin …

An annotated list of the freshwater fishes of the Río Alvarado drainage, Upper Río
Magdalena Basin is presented. Fishes were captured from nine localities, quarterly sampled …