Role of the NON-NATIVE fish Oreochromis niloticus in the long-term variations of abundance and species composition of the native ichthyofauna in a Caribbean estuary

ABSTRACT: Changes in native fish abundance (catch per unit effort–CPUE) and species composition were assessed before and after the introduction of Oreochromis niloticus Linnaeus, 1757 (Nile tilapia) in the Caribbean estuary Ciénaga Grande de Santa Marta (CGSM), northern Colombia. Multiple regression...