Piscivore-Prey Fish Interactions: Mechanisms behind Diurnal Patterns in Prey Selectivity in Brown and Clear Water
Figure 3
Pikeperch prey selection of perch (white bars) and roach (grey bars) at different visual ranges at day (a) and night (b) in the laboratory experiments.
The horizontal line at 0.5 represents the null hypothesis of equal prey selection. Error bars denote 1 SE.