SIZE:
13 cm to 20 cm, up to 25 cm; weight ranges from 40 to 45 g.
LIFE EXPECTANCY:
Up to 5 years.
LIFE CYCLE:
Sexual maturity is attained around 3 years of age.
In spring, the adults form large, tightly packed schools and start their migration to the spawning grounds. The males arrive first on the coast and are then joined by the females.
Between April and July, usually at night, capelin “roll” along beaches and sandy bottoms. To reproduce, the male clings to the female. The female contains between 6,000 and 12,000 eggs. Together, they dig the sand and deposit the eggs. Because of a sticky protective substance, the eggs remain on the sand until they hatch 15 to 20 days later.
After breeding, most capelin die of exhaustion or injuries sustained during mating.