Blueback Herring (Alosa aestivalis)

Habitat	-Lives most of his adult life at sea and only enters freshwater to spawn -Generally stays in coastal water (les than 100 m in depth)
Reproduction	-Spawning begins in May -A female can deposit from 45,000 to 350,000 eggs, depending on her size -Incubation takes between 3 to 4 days
Growth	-At age 4, alewives average 23 cm in length and 165 g in weight; at 8 years of age, they mesure about 27 cm and weigh about 355 g -Rarely live longer than 10 years

Source: Scott W.B. and M.G. Scott. 1988. Atlantic Fishes of Canada, University of Toronto Press