Age in years
No.
Length in (cm)
Weight in (g)
Length group
Observed average length
From back calculation
Calculated from Von Bertlanffy's
Calculated from increments summation
Calculated from Von Bertlanffy's
I
52
21-35
29
27.5
28.4
167.46
184.3
II
76
30-44
38
37.2
37.8
421.21
441.5
III
45
40-50
46
46.1
45.8
805.38
790.2
IV
47
48-58
53
52.6
52.5
1205.61
1199.9
V
29
55-61
59
57.6
58.2
1596.56
1640.9
VI
39
58-66
63
62.4
63
2037.38
2088.9
VII
12
65-69
67
66.8
67
2505.50
2525.9
VIII
23
68-72
71
70.7
70.4
2969.82
2939.7
IX
8
72-74
74
73.7
73.3
3375.26
3322.8
X
1
³75
75
76.4
75.8
3766.55
3671.3
Table 6:
Ranges and means of empirical lengths and weights for
B. docmac.