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Figure 2


Fig. 2. Success rate (%) and mean search time (s) of M. canis under four experimental conditions: intact and lateral line lesioned with streptomycin in the light and in the dark. (A) Lateral line lesion reduced success rate: non-significant in the light (WSR=3.0, N=8, P=0.2) and significant in the dark (WSR=10.5, P=0.03, N=8). Lighting alone did not affect success rate (WSR=0, N=10, P=1). (B) Lateral line lesion significantly increased search time in the light (WSR=–18.0, P=0.008, N=8) and even more so in the dark (WSR=–14.0, P=0.01, N=8). Lighting alone did not affect search time (WSR=0, N=10, P=1). Gray bars, fluorescent light (light); black bars, infrared light (dark).