Effects of relaxed predation pressure on visual predator recognition in the guppy

By J. Kelley, Anne E. Magurran. Behavioral Ecology and Sociobiology, 2003

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Provenance and threat-sensitive predator avoidance patterns in wild-caught Trinidadian guppies (2009, background): “For example, guppies from high-predation populations exhibit more riskaversive behaviour patterns towards model predators compared to conspecifics from low-predation populations (Kelley and Magurran 2003a,b).”
Risk-taking behaviour in foraging perch: does predation pressure influence age-specific boldness? (2008, background): “…Oers et al. 2004; Sundström et al. 2004), phenotypic response to the environment (Wilson et al. 1993), individual learning, either from conspecifics (Dugatkin & Alfieri 2003; Kelley et al. 2003; Galef & Laland 2005) or from early experience (Hilakiviclarke et al. 1991; Kelley & Magurran 2003a).”
Relaxed selection in the wild. (2009, background): “Thus, laboratory rearing of Poecilia reticulata guppies from habitats differing in predation risk has shown that population differences in some antipredator behaviors are largely the result of plasticity [ 39 ].”