Rochard, 2001



Citation


Rochard, E. (2001) Migration anadrome estuarienne des géniteurs de grande Alose Alosa alosa, allure du phénomène et influcence du rythme des marées. Bulletin francais de la peche et de la pisciculture [Bull. Fr. Peche Piscic.]., pp. 853-867

Associated characteristics


Species Development state Trait Primary Data Secondary Data
Osmerus eperlanus Egg Egg adhesiveness Adhesive Adhesive
Osmerus eperlanus Egg Incubation time 20-35 27.5 days
Osmerus eperlanus Female Age at sexual maturity 2 [Sometimes 1, sex not specified] 2.0 years
Osmerus eperlanus Egg Egg Buoyancy Demersal Demersal
Alosa alosa Spawning conditions Spawning migration period Make their spawning migrations in April and June [In Gironde], migrations occured between 7.5-24°C, and 90% below 17.5-20°C ['April', 'June']
Osmerus eperlanus Spawning conditions Spawning migration period October-November, migrates into estuarines ['October', 'November']
Osmerus eperlanus Female Absolute fecundity 10-40 25.0 thousand eggs
Osmerus eperlanus Spawning conditions Spawning season February-May ['February', 'April', 'March', 'May']
Osmerus eperlanus Female Age at sexual maturity 2 [Sometimes 1, sex not specified] 2.0 year
Alosa alosa Spawning conditions Parity 95% of individuals make their spawing migration only once No category