Disclaimer note - WWF - Pakistan
Disclaimer note - WWF - Pakistan
Disclaimer note - WWF - Pakistan
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Detailed Ecological Assessment Report 2008 – Keenjhar Lake<br />
Table 18 – accounts of reproductive biology of T. ilisha<br />
S.<br />
No.<br />
Author(s)/<br />
Locality<br />
1 Pillay<br />
(1958)<br />
Spawning grounds Spawning<br />
season<br />
Hooghly River Spawn<br />
several<br />
times<br />
during<br />
breeding<br />
season<br />
Length<br />
range/<br />
<strong>WWF</strong> <strong>Pakistan</strong> – Indus for All Programme Page 90 of 188<br />
age<br />
169 mm<br />
male;<br />
199 mm<br />
female<br />
Size of<br />
ova<br />
NA NA<br />
fecundity<br />
2 Talbot, Indus River NA NA NA 755,000-<br />
1959<br />
2,917000<br />
3 Swarup<br />
Seasonal<br />
289,000 –<br />
(1961)<br />
fishes in<br />
breeding<br />
season<br />
1,168672<br />
4 Pillay &<br />
Rao, 1962<br />
Godavari River 355 mm<br />
5 Pillay and Hooghly River Monsoon NA Small Not clear<br />
Rosa, 1963<br />
transparent<br />
size 370<br />
um<br />
6 Mathur, Ganga River, India Spawn 350 mm Not Not available<br />
1964<br />
several<br />
times<br />
during<br />
breeding<br />
season<br />
available<br />
7 Qureshi, Hooghly River, Two 19-20 cm Not Not available<br />
1968 a Bangladesh (East strains, 1).<br />
available<br />
<strong>Pakistan</strong>)<br />
Start with<br />
monsoon<br />
(May-Nov.)<br />
2). Jan.-<br />
Feb.sometimes<br />
to March<br />
8 Qureshi, 476 miles from mouth March - 24.7-39.3 0.7 mm 2 million<br />
1968 b of Indus river (before September cm<br />
Indus river G.M. Barrage)<br />
males;<br />
reduced to 190 miles<br />
26.5after<br />
construct G.M.<br />
43.6 cm<br />
Barrage<br />
females<br />
9 Doha & Padma River, Monsoon 273-420 430-729 348,318000-<br />
Hye, 1970 Bangladesh (East<br />
mm Fork um 1,465,969000<br />
<strong>Pakistan</strong>)<br />
length<br />
10 Ramakrish Chilka Lake, India July- 172-187 Not 390,379naiah,<br />
August mm available 1,120,304<br />
1972<br />
(male);<br />
186-515<br />
mm<br />
(female)<br />
11 De (1980) September<br />
Not 373,0120-<br />
-October<br />
available 132,30500<br />
12 Quddus et<br />
342-750<br />
660,000 –<br />
al., 1984<br />
mm<br />
1,547,000<br />
13 Al-Nasiri Shattul Arab River,<br />
70-152 Not<br />
and Al- Iraq<br />
mm available
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