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Table 1 Mean ± SD length and weight of age-0 Oncorhynchus mykiss used to evaluate 8-mm PIT tags in the Wind River, 2017

From: A field evaluation of the growth and survival of age-0 Oncorhynchus mykiss tagged with 8-mm passive integrated transponder (PIT) tags

Site Group Size Tagging Recapture Growth (mm/d) Growth (g/g/d)
N FL (mm) WT (g) N FL (mm) WT (g)
Layout Tag Small 53 44 ± 2.2 0.9 ± 0.2 11 54 ± 4.9 1.8 ± 0.5a 0.16 ± 0.012 0.012 ± 0.006
Control Small 53 44 ± 2.2 0.9 ± 0.2 2 58 ± 7.1 2.2 ± 1.1 0.24 ± 0.126 0.016 ± 0.012
Trapper Tag Small 70 48 ± 3.0 1.2 ± 0.3 20 61 ± 4.3 2.9 ± 0.6 0.21 ± 0.062 0.018 ± 0.005
Control Small 69 47 ± 3.5 1.2 ± 0.3 2 60 ± 1.4 2.7 ± 0.2 0.22 ± 0.025 0.017 ± 0.002
Tag Large 32 59 ± 2.7 2.3 ± 0.4 5 71 ± 3.8 3.8 ± 0.8 0.19 ± 0.082 0.010 ± 0.007
Control Large 30 59 ± 3.2 2.2 ± 0.3 3 63 ± 4.6 3.6 ± 1.3 0.07 ± 0.081 0.012 ± 0.010
Wind Tag Small 74 48 ± 3.0 1.1 ± 0.2 11 59 ± 5.1 2.6 ± 0.6 0.22 ± 0.059 0.020 ± 0.008
Control Small 72 49 ± 3.0 1.2 ± 0.2 0 0 0   
Tag Large 7 56 ± 1.4 1.6 ± 0.2 1 66 3.2 0.20 0.019
Control Large 6 55 ± 0.8 1.5 ± 0.2 1 55 1.9 − 0.006 0.006
Paradise Tag Small 74 49 ± 3.8 1.2 ± 0.4 22 61 ± 5.3 2.9 ± 0.6 0.20 ± 0.085 0.017 ± 0.006
Control Small 71 49 ± 3.8 1.3 ± 0.4 7 58 ± 4.7 2.2 ± 0.6 0.17 ± 0.083 0.011 ± 0.006
Tag Large 41 57 ± 1.7 1.8 ± 0.2 13 67 ± 5.7 3.5 ± 0.8 0.19 ± 0.087 0.016 ± 0.006
Control Large 39 57 ± 1.5 1.9 ± 0.3 2 66 ± 1.4 3.3 ± 0.1 0.16 ± 0.025 0.013 ± 0.006
All Tag Small 271 47 ± 3.5 1.1 ± 0.3 64b 59 ± 5.3 2.7 ± 0.7 0.20 ± 0.073x 0.017 ± 0.006x
Control Small 265 47 ± 3.6 1.2 ± 0.3 11 58 ± 4.3 2.3 ± 0.6 0.19 ± 0.083 0.013 ± 0.007
Tag Large 80 58 ± 2.5 1.9 ± 0.4 19 68 ± 5.2 3.5 ± 0.8 0.19 ± 0.081x 0.015 ± 0.007x
  1. Small (42–54 mm) and large (55–64 mm) control fish had their right or left pelvic fin clipped, respectively. Growth was calculated over 57 d. Growth in weight was mass standardized. Although not statistically analyzed, growth metrics of small and large control fish are shown for comparison. Means with the same letter are not significantly different
  2. aThe sample size for calculating mean weight was 9
  3. bThe sample size for calculating mean growth (g/g/d) was 62