Figure 5
From: Size discrimination in adult zebrafish (Danio rerio): Normative data and individual variation
Results of Control Experiment A. The Y-axis refers to the proportion of choices for the bigger hole in the four ratios tested. Zebrafish showed to prefer the larger hole in all four ratios. Asterisks (*) denote a significant departure from chance level (0.5). Bars represent the standard error.
