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Fig. s4 Schematic illustration of the social interaction assay with different separation materials. (A-F) Two kinds of materials were used for the separator: metal mesh (A, B, and E) and a clear acrylic plate (C, D, and F). (B, D) Changes of duration time for tester fish, when added to a different number of fish (1–5 fish) as the social cue group, was analyzed in 4 different zones between 6 and 10 min. Multiple trials (n = 5) were performed for each group size. (E, F) Detailed information for duration time for tester fish in different zones over the course of 15 min. Data are presented as mean ± SEM. (PDF 1033 kb)