Aquarium Visitors Catch Some Rays: Rays Are More Active in the Presence of More Visitors

Individual chi-square tests revealed a significant association between active or not active behavior and visitor density level for all three fiddler rays (fiddler 1: χ 2 = 16.392, p < 0.001; fiddler 2: χ 2 = 10.274, p = 0.016; fiddler 3: χ 2 = 27.306, p < 0.001), as well as a trend toward significance for southern stingray 3 (χ 2 = 8.486, p = 0.037) and southern stingray 2 (χ 2 = 7.401, p = 0.060.

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