Penaz and Sterba, 1969



Citation


Penaz, M. and Sterba, O. (1969) Notes on the incubation period, growth and mortality of the chub, Leuciscus cephalus (Linné, 1758), in the early life-history stages. Acta Soc. Zool. Bohemoslov, pp. 56-70

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Leuciscus cephalus Egg Egg adhesiveness Stuck to the bottom of the box Adhesive
Leuciscus cephalus Egg Incubation time Middle time of incubation was either 170.3 or 74.4, both at 18°C [In other studies described as 97 hours at 18°C] 170.3 days
Leuciscus cephalus Egg Degree-days for incubation Middle day degrees of inducation either 80.4 or 56.5, both at 18°C [in other studies described as 80.91 DD at 16.7°C] 80.4 °C * day
Leuciscus cephalus Egg Temperature for incubation The whole process of incubation was effected at the constant temperature of water 18°C 18.0 °C
Leuciscus cephalus Egg Egg Buoyancy Stuck to the bottom of the box No category
Leuciscus cephalus Larvae Initial larval size The size of hatched embryos ranged from a mean of 6.09 for the first experiment and 5.31 mm for the second 6.09 mm