Table 8. Population estimation of Rastrelliger kanagurta in Barru waters

Length class (cm)	Catch (in numbers)	Population (N)	Fishing mortality (F)	Steady-state biomass (tons)	Yields (tons)
10.5	24,000,000	2,992,611,328	0.0749	37.18	18.59
11.5	169,000,000	2,616,108,288	0.5912	43.56	21.78
12.5	322,000,000	2,132,680,192	1.3772	45.74	22.87
13.5	312,000,000	1,553,492,352	1.7864	43.03	21.515
14.5	166,000,000	1,049,378,304	1.2911	39.24	19.62
15.5	48,000,000	741,948,992	0.4693	38.13	19.065
16.5	50,000,000	581,434,944	0.5901	38.1	19.05
17.5	28,000,000	438,226,304	0.4027	37.3	18.65
18.5	43,000,000	333,736,800	0.7801	34.93	17.465
19.5	34,000,000	230,104,224	0.8318	30.33	15.165
20.5	6,000,000	151,142,128	0.1911	27.06	13.53
21.5	20,000,000	110,611,864	0.8571	23.2	11.6
22.5	20,000,000	64,943,120	1.4301	15.94	7.97
23.5	15,000,000	29,559,776	2.5067	7.77	3.885
24.5	2,000,000	7,977,227	0.8541	3.45	1.725
25.5	2,000,000	3,401,274	1.57	2.11	1.055
Total				467.07	233.53