Bonislawska, 2004


No detailed citation.

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Gymnocephalus cernuus Egg Incubation time [First hatching at 123 hours and 50% left the egg shells 4 hour later, the last larvae hatched within additional 5 hour in their experiment, others give: from 4.5 at 15-16°C to 27-29 at 6°C] 15.5 days
Gymnocephalus cernuus Egg Degree-days for incubation [From 1962 to 2032 degree hour, 50% at 2032, others give 67.5 to 174] 1997.0 °C * day
Gymnocephalus cernuus Egg Temperature for incubation Optimal range is 16-18°C [Temperature tested in other studies from 6 to 22°C] 17.0 °C
Gymnocephalus cernuus Egg Oocyte diameter 0.86-1.0 [End of hydratation process, unfertilized egg] 0.93 mm
Gymnocephalus cernuus Larvae Initial larval size 3.85 ± 0.08 [Other give 3.52 to 4.29] 3.85 mm
Gymnocephalus cernuus Larvae Larvae behaviour The larvae easily stayed in the water column and were fully prepapred for independent living in external environment Demersal