Table 1. Summary of the number of samples, sex ratio, and total length profiles of males and females shortfin mako (Isurus oxyrinchus) from 2013 to 2021

Year Males Females Sex Ratio (M:F)
n Min Max Mean SD n Min Max Mean SD Ratio X2 Comparison (p = 95%)
2013 30 103 237 192.23 28.72 28 144 291 206.8 34.4 1:0.93 0.07 Equal
2014 145 120 283 198.32 33.88 152 127 335 201.9 40.1 1:01.05 0.16 Equal
2015 77 116 269 195.34 34.19 115 89 290 200.7 36.9 1:1.49 7.52 Unequal
2016 43 134 278 208.07 32.1 50 112 310 192.2 41.2 1:1.16 0.53 Equal
2018 42 140 274 197.82 29.13 63 105 305 198.9 41 1:1.5 4.2 Unequal
2019 112 69 310 188.44 44.23 228 70 305 180.4 42.7 1:2.03 39.6 Unequal
2020 58 122 266 194.29 34.88 152 70 326 188.4 43.1 1:2.62 42.1 Unequal
2021 20 138 252 197.45 27.42 71 123 363 193.9 39.4 1:3.55 28.6 Unequal
Total 527 69 310 195.72 35.72 859 70 363 192.4 41.6 1:1.63 79.5 Unequal
M, male; F, female.