Table 2 Summary of acoustic detections for apparently predated tagged yellow perch in the Detroit River
From: Identification of predation events in wild fish using novel acoustic transmitters
Tagging group | Fish ID | Total length (mm) | Total detections | Total receivers | Days with detections | Timespan detected (days) | Total timespan detected (days) |
|---|---|---|---|---|---|---|---|
May 2018 | YP02 | 126 | 17,389/136 | 16/4 | 74/14 | 98.9/80.6 | 179.9 |
YP10 | 108 | 2703/151 | 17/13 | 11/3 | 10/6.4 | 16.5 | |
YP12 | 182 | 3276/1295 | 13/6 | 55/50 | 53.9/58.4 | 113.1 | |
YP17 | 115 | 2963/3 | 15/2 | 33/3 | 62.1/82.1 | 153.5 | |
YP19 | 115 | 11,778/1696 | 14/2 | 85/22 | 87.3/92.1 | 180.0 | |
YP22 | 118 | 2870/275 | 12/9 | 19/4 | 18.3/3.2 | 21.5 | |
YP23 | 176 | 703/50,771 | 15/8 | 2/180 | 1/179 | 180.0 | |
YP26 | 175 | 5671/107 | 7/1 | 31/9 | 30.5/21.4 | 53.0 | |
YP33 | 181 | 116/28 | 6/6 | 2/2 | 0.7/0.9 | 25.0 | |
YP34 | 118 | 575/443 | 6/8 | 3/4 | 2.4/2.4 | 4.8 | |
YP38 | 133 | 12,750/22 | 10/6 | 90/2 | 95.4/1.1 | 96.6 | |
YP39 | 140 | 13,025/561 | 11/1 | 84/13 | 93.5/85.9 | 179.9 | |
July 2018 | YP42 | 106 | 377/36 | 2/4 | 4/2 | 2.8/0.5 | 3.8 |
YP43 | 160 | 1548/2364 | 8/3 | 35/58 | 37.2/131.4 | 168.6 | |
YP44 | 180 | 2283/1206 | 10/9 | 27/53 | 26.1/153.8 | 179.9 | |
YP47 | 160 | 4038/11 | 11/1 | 29/1 | 28.3/0.2 | 29.4 | |
YP51 | 103 | 597/8266 | 4/2 | 4/44 | 2.6/132 | 134.6 | |
YP52 | 109 | 239/2037 | 2/1 | 3/47 | 1.7/146.9 | 148.6 | |
YP54 | 154 | 640/33 | 7/2 | 32/5 | 31.4/138.1 | 169.7 | |
Mean | 139.9 | 4396.9/3654.8 | 9.8/4.6 | 32.8/27.2 | 36/69.3 | 107.3 | |
S.D. | 29.4 | 5264.8/11,567.7 | 4.6/3.5 | 30.6/42.3 | 35.4/63.6 | 71.2 | |
Range (pre) | 103–182 | 116–17,389 | 2–17 | 2–90 | 0.7–98.9 | 3.8–180 | |
Range (post) | 3 - 50,771 | 1 – 13 | 1 – 180 | 0.2 – 179 |