Hutchinson and Mills, 1987


Hutchinson, P. and Mills, D.H. (1987) Characteristics of spawning-run smelt, Osmerus eperlanus (L.), from a Scottish river, with recommendations for their conservation and management. Aquaculture and Fisheries management, pp. 249-58

Associated characteristics

Species Development state Trait Primary Data Secondary Data
Osmerus eperlanus Female Absolute fecundity 40.131 [Age 1+], 66.512 [Age 2+] and 105.956 [Age 3+] 40.13 thousand eggs
Osmerus eperlanus Spawning conditions Spawning season Smelt were first detected in the vicinity of the spawning grounds on 10 March, in both 1980 and 1981. ['March']
Osmerus eperlanus Spawning conditions Spawning period duration Fish were present in the river for approximatively 1 week in both years although the spawning grounds were abandoned at times of high flow [Also described as 5-10 days, or 8-10 days; others authors foudn that while spawing could last up to 3-4 weeks, the peak seldom lasted for more than 1 week] 7.5 weeks
Osmerus eperlanus Spawning conditions Nycthemeral period of oviposition Spawning activity had occurred overnight Night
Osmerus eperlanus Spawning conditions Parity Consists chiefly of only two age groups (1+ and 2+) with only a small proportion of 3+ year old individuals No category