Abstract

Occasional release of guppy, Poecilia reticulata (Cyprinodontiformes, Poeciliidae) in Upper Paraguay River Basin, Mato Grosso State: a new threat to rivers forming the Brazilian Pantanal?

Highlights

  • The guppy, Poecilia reticulata Peters, 1859 is an ovoviviparous freshwater fish of low waters native to the Caribbean Islands, Venezuela, Guyana, and northern Brazil (Amapá and Pará States) (Reis et al, 2013)

  • This paper reports the first record of non-native P. reticulata in water bodies at midwest Brazil

  • Voucher material is deposited in the fish collection of the ‘Museu de História Natural Capão da Imbuia’, Curitiba, State of Paraná, Brazil (MHNCI)

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Summary

Introduction

The guppy, Poecilia reticulata Peters, 1859 is an ovoviviparous freshwater fish of low waters native to the Caribbean Islands, Venezuela, Guyana, and northern Brazil (Amapá and Pará States) (Reis et al, 2013). Guppies are among the most popular fishes in the aquarium trade (Magalhães and Jacobi, 2013), and they are introduced into water bodies in many parts of Brazil through the aquarium dumping (Oliveira et al, 2014).

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