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Table 1 The number of individuals, size ranges, and mean length with standard deviation (mean ± SD) of the Pacific bluefin tuna (Thunnus orientalis) collected from 2004 to 2013

From: The relationship between fishing characteristics of Pacific bluefin tuna (Thunnus orientalis) and ocean conditions around Jeju Island

Month January February March April May June July August September October November December Total Size ranges (mean ± SD)
Year
2004   87 12 72 126 217 72      11 597 40.6~115.7 cm (58.15 ± 15.05 cm)
2005 73 97 47 40   42 294    113   73 779 40.0~78.5 cm (51.18 ± 6.35 cm)
2006 1054 520 833 586 149 225 320 419     117 4223 31.0~82.4 cm (55.9 ± 11.11 cm)
2007 1383 1222 371 1 15 281 306 144 96 123   417 4359 23.1~146.9 cm (52.63 ± 10.04 cm)
2008 2409 1406 1425 713 800 728 1474 172 24 127 81 855 10,214 32.0~187.0 cm (58.08 ± 25.67 cm)
2009 1191 1028 2432 800   393 80 894 416 89 63 37 7468 30.0~171.0 cm (57.76 ± 20.35 cm)
2010 130 82 1413 344   302 46 107   188   51 2663 38.0~178.0 cm (73.84 ± 27.54 cm)
2011 113 210 598 375 95 288 119 112 89 36 466 91 2592 30.0~182.0 cm (46.89 ± 7.01 cm)
2012 824 1043 150   855 330 598 23   5 1 57 3886 34.0~168.0 cm (54.32 ± 15.01 cm)
2013 419 21 362 289 29 389 10 33   27 21 14 1614 19.0~193.0 cm (57.81± 18.75 cm)
Total 7596 5716 7643 3220 2069 3195 3319 1904 670 708 632 1723 38,395  
Size ranges (mean ± SD) 19.0~82.1 cm (49.31 ± 8.25 cm) 31.0~158.0 cm (50.00 ± 29.58 cm) 31.7~171.0 cm (64.79 ± 29.58 cm) 35.0~193.0 cm (66.66 ± 30.43 cm) 34.0~168.0 cm (59.19 ± 22.80 cm) 39.0~169.0 cm (59.20 ± 16.18 cm) 23.1~115.7 cm (53.56 ± 8.31 cm) 30.0~187.0 cm (58.20 ± 8.33 cm) 30.0~68.0 cm (43.07 ± 8.26 cm) 36.0~72.1 cm (48.68 ± 9.04 cm) 40.0~125.0 cm (50.62 ± 8.33 cm) 38.0~81.0 cm (62.44 ± 12.78 cm)