almost significantp = 0.051
For only one fish (Fish 1), R D was larger than R B (chi-square test, χ 2 (1) = 4.90, p < 0.05), although R B was larger than R D for Fish 2 (χ 2 (1) = 8.00, p < 0.05) and there was an almost significant trend in Fish 3 (χ 2 (1) = 3.80, p = 0.051).