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Fig. 5. The effect of prey type on ram distance. Species that feed on larger, more active prey in the wild (i.e. Petenia splendida, Cichla ocellaris, Crenicichla geayi) showed the greatest increase in ram distance when feeding on guppies, while predators of zooplankton and small insects (i.e. Cichlasoma minckleyi, Heros severus, Cyprichromis leptosoma) showed no prey effect or even a reversal of the trend.