Figure 4.

Inhibitory control abilities in male and female cleaner fish. Boxplots, median and interquartile of (a) the proportion of the trials, wherein fish detoured the barrier without touching it, calculated from a total of 20 trials in the detour task; and of (b) the ratio of flakes to prawn consumed in the control (i.e. single plate) or treatment (i.e. presence of an audience) conditions in the audience effect task. p-values were from the statistical analyses (refer to the main text for further details). Coloured circles and triangles are the raw data points, while grey dashed lines connect the female and male of each pair.