Naddafi, 2005



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Associated characteristics


Species Development state Trait Primary Data Secondary Data
Rutilus rutilus Female Maximum GSI value Mean 18%, up to 30% [In April, in Gomishan] and Mean of 15% up to 23% [In April for Anzali] 18.0 percent
Rutilus rutilus Male Maximum GSI value Mean of 4.5, up to 7.5 and even 9% [In March, in Gomishan] and mean of 4, up to 7.5% [In March for Anzali] 4.5 percent
Rutilus rutilus Egg Oocyte diameter The egg diameter, from ovary, varied from 0.9 to 1.45 mm in Gomishan roach compared to 0.95-1.3 mm in Anzali roach 1.125 mm
Rutilus rutilus Female Absolute fecundity The absolute fecundity for Caspain Sea roach has been recorded at the amazing range of 940-140000. In the present study, the ranges were 4262-98804 and 6035-32141 for Gomishan and anzali roach, respectively 70470.0 thousand eggs
Rutilus rutilus Female Weight at sexual maturity Weight of male sampled: 73.95 ± 51.65, range 11.15-467.20 g in Gomishan wetland and 96.41 ± 39.14, range 37.37-238.34 g in Anzali 73.95 kg
Rutilus rutilus Female Length at sexual maturity Length of female sampled: 184.65 ± 26.39, range 104-311 (most 176-180) in Gomishan wetland and 203.69 ± 23.61, range 153-271 (most 191-200) mm in Anzali 184.65 cm
Rutilus rutilus Male Length at sexual maturity Length of male sampled: 167.72 ± 33.58, range 91-237 (most 161-170) in Gomishan wetland and 202.65 ± 21.45, range 137-275 (most 201-210) mm in Anzali 167.72 cm
Rutilus rutilus Male Weight at sexual maturity Weight of male sampled: 53.11 ± 29.36, range 6.38-148.08 g in Gomishan wetland and 93.88 ± 31.56, range 24.21-245 g in Anzali 53.11 kg