Alas and Solak, 2004



Citation


Alas, A. and Solak, K. (2004) The reproductive biology of tench (Tinca tinca L., 1758) in Kayabogazi (Kütahya, Turkey) dam lake. Turk J Vet Anim Sci, pp. 879-885

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Tinca tinca Spawning conditions Spawning temperature Mean temperaturewas 16.1 ±2°C and 19.2 ± 2°C in June and July, respectively 16.1 °C
Tinca tinca Spawning conditions Spawning period duration 7-8 [Spawning took place from the beginning of June to the end of July in almost all individuals] 7.5 weeks
Tinca tinca Female Maximum GSI value Mean of 10.19 ± 0.66 [In June] 10.19 percent
Tinca tinca Female Relative fecundity From 85.7 to 543.9 85.7 thousand eggs/kg
Tinca tinca Female Age at sexual maturity Male attainred sexual maturity at 3 3.0 years
Tinca tinca Female Resting period August-September No data
Tinca tinca Female Onset of oogenesis September-October ['October', 'September']
Tinca tinca Female Intensifying oogenesis activity October to December and April-May ['April', 'October', 'December', 'May']
Tinca tinca Egg Oocyte diameter Mean of 1.078 ± 0.014 [Ripening ovum] 1.078 mm
Tinca tinca Female Absolute fecundity 27.46 ±1.486 to 74.724 ± 5.658 27.46 thousand eggs
Tinca tinca Spawning conditions Spawning season Spawning took place from the beginning of June to the end of July in almost all individuals ['June', 'July']
Tinca tinca Female Weight at sexual maturity Mean of 0.133 for female of 4 0.133 kg
Tinca tinca Female Length at sexual maturity Mean of 20.5 ±0.15 for female at 4 20.5 cm
Tinca tinca Male Length at sexual maturity Mean of 17.4 ± 0.086 for age 3 17.4 cm
Tinca tinca Male Weight at sexual maturity Mean of 0.083 for age 3 0.083 kg
Tinca tinca Female Age at sexual maturity Female attainted maturity in their fourth year No data
Tinca tinca Spawning conditions Parity 7 different age classes No category