, Volume 8, Issue 4, pp 677-681
Date: 13 Jan 2006

Introduction of the African Catfish Clarias gariepinus (BURCHELL, 1822) into Southern Brazil

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Abstract

We record here the introduction of the African catfish Clarias gariepinus into the Guaraguaçu River basin in Paraná State, Brazil, an area with an extremely rich endemic fish fauna, including many catfishes. C. gariepinus was introduced as escapees from ponds built for recreational angling. These catfishes are very large and hard predators, thus posing serious potential for impact on the native fish fauna. The impact of C. gariepinus needs study with emphasis on finding means for controlling its spread.