Penaz, 1968


Penaz, M. (1968) Development of chub, Leuciscus cephalus (Linnaeus, 1758) in the posthatching period. Zool. Listy., pp. 269-278

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Leuciscus cephalus Egg Egg size after water-hardening 1.97 [Eggs stripped] 1.97 mm
Leuciscus cephalus Egg Incubation time 75.5 hours at 18°C 75.5 days
Leuciscus cephalus Egg Temperature for incubation At constant temperature of 18°C 18.0 °C
Leuciscus cephalus Egg Degree-days for incubation 56.6 DD at 18°C 56.6 °C * day
Leuciscus cephalus Larvae Initial larval size Average standard length: 4.9 mm 4.9 mm
Leuciscus cephalus Larvae Larvae behaviour The embryos are positioned sideways on the bottom of the contained in the immobile condition, and only at times they give violent jerks ahead Demersal
Leuciscus cephalus Larvae Reaction to light Not respondind to light Photopositive
Leuciscus cephalus Larvae Temperature during larval development Temperature was not regulated, range from 15.4-17.8°C 16.6 °C
Leuciscus cephalus Larvae Full yolk-sac resorption 11 days, consumption of yolk sac finished at temperature between 15.4 and 17.8°C 11.0 °C * day
Leuciscus cephalus Larvae Onset of exogeneous feeding 9 days, oral feeding started at temperature between 15.4 and 17.8°C 9.0 °C * day
Leuciscus cephalus Spawning conditions Spawning substrate Lithophilous fishes Lithophils