Mann and Mills, 1985



Citation


No detailed citation.

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Leuciscus leuciscus Spawning conditions Spawning substrate Gravel spawner Lithophils
Leuciscus leuciscus Spawning conditions Spawning period duration Spawn over a two or three week period No data
Leuciscus leuciscus Spawning conditions Spawning water type Fast flowinf rivers and streams No category
Leuciscus leuciscus Egg Incubation time Fertilization to larvae (2-4 days after hatching): 26-32 days (mostly 30) at 10°C 3.0 days
Leuciscus leuciscus Female Age at sexual maturity Both sex reach sexual maturity after four years growth, although some fast-growing individuals may do so after three years No data
Leuciscus leuciscus Egg Temperature for incubation Incubated at a constant 10°C in chalk spring water 10.0 °C
Leuciscus leuciscus Egg Oocyte diameter Diameter means range from 1.34 to 1.56 [Unfertilized eggs] 1.34 mm
Leuciscus leuciscus Female Absolute fecundity 5.973-8.714 for a female 200 mm 7.3435 thousand eggs
Leuciscus leuciscus Spawning conditions Spawning season Between late February and early April ['February', 'April']
Leuciscus leuciscus Larvae Initial larval size Means range from 8.24 to 9.38, for larvae 2 to 4 days old 8.24 mm
Leuciscus leuciscus Female Age at sexual maturity Both sex reach sexual maturity after four years growth, although some fast-growing individuals may do so after three years No data
Leuciscus leuciscus Spawning conditions Spawning release Release one batch of egg Mutliple
Leuciscus leuciscus Spawning conditions Parity Release one batch of eggs annually for up to seven successive years. There was no evidence that any female had a rest year from spawning once they were mature No category