Total growth in length of 5(five) fish species in site 1 16
Length (cm)
14 12
tengra
10
punti
8
taki
6
foli
4
kholisha
2 0 June
July
August
September
October
November
Month
Fig 2.1 Total growth in length of 5(five) fish species in site 1. In fig. 2.1, foli (Notopterus notopterus) displayed highest total growth in length followed by taki (Channa punctatus) while the lowest total growth was represented by kholisha (Colisa faciatus). In site 2, foli (Notopterus notopterus) has displayed the maximum average growth (1.78 cm per month) in length followed by taki (Channa punctatus) having 1.77 cm/month during study period. The minimum average growth in length per month was exhibited by kholisha (Colisa faciatus) having 0.67 cm followed by punti (Puntius sarana) having 0.83 cm. Moderate average growth in length was shown by tengra (Mystus tengra) having 1.40 cm per month in site 2 (Table 1.2). Table 1.2 Average increase of length during observation period in site 2. Sl. no .
Fish species
Average increase of Average length of fish before (cm) recruitment No of fish observed in each month (cm) June July August
1 2 3 4 5
M. tengra P. sarana C. punctatus N. notopterus C. faciatus
2 3 4.1 5.1 2
10 10 10 10 10
0 0 0.1 0.1 0
2.1 1.1 2.3 2.6 1
2.7 1.3 2.5 3.4 1.1