Sasi, 2003



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Leuciscus cephalus Spawning conditions Spawning temperature Between 13.5-20.6°C 17.05 °C
Leuciscus cephalus Female Maximum GSI value 7.37% [In March] 7.37 percent
Leuciscus cephalus Male Onset of spermatogenesis Increase in November ['November']
Leuciscus cephalus Female Relative fecundity 199.05 [Age II], 160.05 [Age III], 219.78 [Age IV], 211.74 [Age V] 199.05 thousand eggs/kg
Leuciscus cephalus Male Maximum GSI value 2.29 [March] 2.29 percent
Leuciscus cephalus Female Age at sexual maturity Females and males first attained sexual maturity in their second year No data
Leuciscus cephalus Female Resting period <1% [From May to September] 1.0 months
Leuciscus cephalus Male Main spermatogenesis activity Around March ['March']
Leuciscus cephalus Female Onset of oogenesis Ovary development began in December [Yet on the GSI curve, slight increase of GSI in September-October] ['October', 'December', 'September']
Leuciscus cephalus Female Intensifying oogenesis activity February-March [From 4 to ca. 7.5] ['February', 'March']
Leuciscus cephalus Male Resting period April to November <0.5 0.5 months
Leuciscus cephalus Egg Oocyte diameter The maximum egg diameter in March and April were 1.350 and 1.275 mm, respectively [as oocytes in ovaries], in other studies: 0.78-1.20, 0.55-1.38, 0.96-1.35 0.99 mm
Leuciscus cephalus Female Absolute fecundity 9.142-53.1 in the ages II-VII 31.121 thousand eggs
Leuciscus cephalus Spawning conditions Spawning season Spawninh took place between March and April [Warm climate in southern Turkey] ['April', 'March']
Leuciscus cephalus Female Weight at sexual maturity Minimum weight at sexual maturity is 41.6 41.6 kg
Leuciscus cephalus Female Length at sexual maturity Minimum length at sexual maturity is 14.4 14.4 cm
Leuciscus cephalus Male Length at sexual maturity Minimum length at sexual maturity is 14.5 14.5 cm
Leuciscus cephalus Male Weight at sexual maturity Minimum weight at sexual maturity is 54.5 g 54.5 kg
Leuciscus cephalus Female Age at sexual maturity Females and males first attained sexual maturity in their second year No data
Leuciscus cephalus Spawning conditions Parity Up to 5 or 6 year classes No category