Abstract
Abstract Incidental observations of aquatic exotic species may represent important early indicators of established populations. Herein we report ecologically significant observations of 2 exotic fish taxa in southern Alabama—Pterygoplichthys disjunctivus x pardalis (Amazon Sailfin Catfish) and Oreochromis niloticus (Nile Tilapia). Our observations establish the presence and confirm reproduction, respectively, of these species in the state.
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