Abstract

Leprieur et al.’s observation that fish invasions are blurred by human activity (Leprieur et al. 2008 doi:10.1371/journal.pbio.0060028) correctly reflected the well established understanding that fish invasion is human mediated (1-4). However, shortcomings in Leprieur et al’s (2008) article stem from confusion between introduction and invasion, a crude analysis of human activity which has lead to a misrepresentation of introduction hotspots and lastly, a misunderstanding of ecological impacts associated with non-native fish introduction.

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