Abstract
Introduction: Due to its colors, shape, size, and simplicity of care, the neotropical fish Poecilia reticulata (guppy) is popular in the aquarium trade. It is also valued as mosquito control and is now found in most of the world. Objective: To report its presence in southern Mexico. Methods: Fish were captured with seine nets in a tributary of the Grijalva River, Chiapas, in August 2019, and March 2020. Results: Two hundred and fifty individuals of P. reticulata were captured. Conclusion: The species, found in México in 1971, has extended its range to the Grijalva Usumacinta river system.
Highlights
Due to its colors, shape, size, and simplicity of care, the neotropical fish Poecilia reticulata is popular in the aquarium trade
Due to intentional and nonintentional introductions, its popularity in the aquarium trade and its use for mosquito control (Warbanski et al, 2017), P. reticulata has a global distribution and it is found in all continents except the Antarctica (Fig. 1) (Deacon et al, 2011; Lucinda & Van Der Sleen, 2018)
In the wild P. reticulata has been collected in at least 109 localities (González et al, 2014) and it has been documented that the river drainages of northwestern Mexico, the species has shown a rapid and successful expansion (Ruiz-Campos et al, 2014)
Summary
Shape, size, and simplicity of care, the neotropical fish Poecilia reticulata (guppy) is popular in the aquarium trade. “Primer registro del pez introducido Poecilia reticulata (Cyprinodontiformes: Poeciliidae), en Chiapas, sur de México”. Poecilia reticulata is commonly known as guppy and it is one of the most popular aquarium fish in the world (Lucinda & Van Der Sleen, 2018).
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