Recognition of non-native peacock bass, Cichla kelberi by native prey: testing the naiveté hypothesis

Prey naiveté is proposed as one of the main reasons behind species extinctions attributed to invasive predators. This study examined whether the naiveté hypothesis could explain extinctions after the introduction of peacock bass (Cichla kelberi) in Paraná River, Brazil. Our results show that prey responded to both visual and chemical cues of peacock bass… CONTINUE READING