Korzelecka and Winnicki, 1998



Citation


Korzelecka, A. and Winnicki, A. (1998) Peculiarities of emryogenesis in Scardinius erythrophthalmus L. Electronic Journal of polish agricultural universities, pp.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Scardinius erythrophthalmus Spawning conditions Spawning temperature Depending on the place of occurrence, the species begin to spawn when the water temperature reaches 14°C 14.0 °C
Scardinius erythrophthalmus Spawning conditions Spawning period duration 6-8 [From April until June or from June from Mid-July] 7.0 weeks
Scardinius erythrophthalmus Egg Egg adhesiveness Eggs were glued Non-Adhesive
Scardinius erythrophthalmus Egg Incubation time 5 days [19°C], 3 says [24°C], 3 [20-22°C] 21.0 days
Scardinius erythrophthalmus Egg Degree-days for incubation 74 [At 21±2°C] 21.0 °C * day
Scardinius erythrophthalmus Egg Egg size after water-hardening Mean of 1.38, range 1.2-1.5 [Egg diameter after water absorption] 1.35 mm
Scardinius erythrophthalmus Egg Oocyte diameter 1-1.5 Not specified] 1.25 mm
Scardinius erythrophthalmus Female Absolute fecundity Varied according to different authors: 20-60, 100, 232 40.0 thousand eggs
Scardinius erythrophthalmus Spawning conditions Spawning season Depending on the place of occurrence, the species begin to spawn when the water temperature reaches 14°C in April, the spawning going on until June. In colder areas, the spawning takes place from June until mid-July ['April', 'June', 'July']
Scardinius erythrophthalmus Larvae Temperature during larval development 21 ±2 21.0 °C
Scardinius erythrophthalmus Larvae Larvae behaviour The newly larva glues its head to the substrate and remains restive until the yolk sac is completely resorbed Demersal
Scardinius erythrophthalmus Spawning conditions Spawning release The eggs are laid in two portions, the first portion consisting of 80% of all the eggs No category