Appendix Table 7.—Estimated length composition of yellowfin tuna caught by American purse seiners 
in the eastern tropical Atlantic in 1974. 
Midpoint Number of fish by month 
Length 
(en) | oan. | Feo [mor | oun. [ our [ aus. [ sent. | oct. [ tov. | ec. | 
0 0 0 0 87 33 0 
5.0 540 0 
37.0 0 0 0 0 87 0 0 0 0 
39.0 0 0 0 0 745 132 2609 0 0 
41.0 142 139 1893 174 0 
43.0 189 186 2524 793 0 
45.0 241 237 3218 928 0 
47.0 73 72 978 1089 0 
49.0 147 144 1956 875 0 
51.0 121 118 1609 875 0 
53.0 525 516 7003 349 0 
55.0 503 495 6719 1525 0 
57.0 603 592 8044 2854 0 
59.0 366 360 4890 3734 0 
61.0 262 258 3502 2298 0 
63.0 168 165 2240 770 0 
65.0 73 72 978 652 0 
67.0 73 72 978 910 0 
69.0 0 0 0 257 0 
71.0 143 140 1906 201 0 
73.0 191 187 2544 772 0 
75.0 143 140 1906 1311 0 
77.0 96 94 1276 1218 0 
79.0 11 110 1488 2088 0 
81.0 118 116 1572 1141 0 
83.0 276 272 3689 688 0 
85.0 138 136 1845 0 0 
87.0 290 285 3872 457 0 
89.0 274 269 3659 1028 0 
91.0 65 64 874 1336 0 
93.0 18 18 243 457 0 
95.0 16 16 213 201 0 
97.0 32 31 425 288 0 
99.0 34 34 455 370 235 
101.0 138 136 1847 1208 0 
103.0 65 64 874 1226 118 
105.0 0 0 0 1378 118 
107.0 236 232 3155 989 
109.0 280 276 3744 2122 
111.0 358 352 4785 3833 
113.0 298 293 3979 2811 
115.0 147 144 1956 4671 
117.0 95 93 1262 4299 
119.0 139 136 1852 4800 
121.0 63 7 62 844 3131 
123.0 63 7 62 844 3232 
125.0 26 3 26 347 990 
127.0 50 6 49 661 87 
129.0 16 is 6 16 213 594 
131.0 18 2 7 18 243 663 
133.0 0 0 0 0 0 707 0 
135.0 2 0 ] 2 30 292 355 
137.0 5 ] 2 4 61 436 0 
139.0 23 3 8 22 303 349 0 
141.0 2 0 1 2 30 262 0 
143.0 25 3 9 25 334 518 0 
145.0 20 2 8 20 273 493 0 0 
147.0 18 2 7 18 243 349 0 0 
149.0 5 ] 2 & 61 117 0 0 
151.0 14 2 5 13 182 466 0 0 
153.0 1 ] 4 11 152 292 0 0 
155.0 5 ] 2 7 61 0 0 0 
157.0 11 ] é 11 152 174 0 0 0 
159.0 0 0 0 0 0 0 0 0 0 
161.0 9 ] 3 9 121 0 0 0 0 
163.0 5 ] 2 4 61 87 0 0 0 
165.0 2 0 1 2 30 0 0 0 0 
167.0 5 ] 2 4 61 0 0 0 0 
169.0 5 1 2 4 61 0 0 0 0 
171.0 0 0 0 0 0 0 0 0 0 
173.0 2 0 ] 2 30 0 0 0 0 
Total 7592 7458 =| 101351 71134 93195 
18 
