Table 3: Age-length key of Peristedion cataphractum estimated after direct ageing and back-calculation.

Length class (mm)Age class (years)
0.51.52.53.54.55.56.57.58.59.510.5Total

5033
6033
701111
8099
9017219
1009615
110222125
120238444
13057663
14064670
15035742
160341650
1701915135
180831544
19021820141
2001117533
2101119113145
22092820360
230417137243
2401519102138
250412177242
2601113226
27012527118
280194317
29052411
3002324112
31021115
3201113
33011
5628414411795752622622828
87.6142.9181.6217.1237.4259.3268.6284.2299.8311.0321.5
2.11.12.21.71.72.65.14.55.46.08.5
82877248834422713258321042
81.2143.5185.1215.5237.4256.5268.9284.2297.9310.1320.2
0.50.70.91.01.31.92.93.13.54.57.2

TL = total length; = number of fish; = direct; = back-calculated; SE = standard error.