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. 2017 Feb 9;5:e2944. doi: 10.7717/peerj.2944

Figure 5. Daily patterns of sound production.

Figure 5

Daily patterns of sound production by spotted seatrout (Cynoscion nebulosus) in (A) Tank 1; (B) Tank 2; and (C) Tank 3. To examine these patterns, we determined the mean number of drums for each time interval (e.g., 12:00–12:02; 12:20–12:22; 12:40–12:42, 13:00–13:02, etc.) during the 14.5 h light photoperiod. The grey box indicates the time span of darkness during the 14.5 h light photoperiod. Standard deviations are reported as vertical bars.