SIZE :
From 15 to 30 cm, up to 60 cm.
LIFE EXPECTANCY :
Up to 18 years.
LIFE CYCLE :
Sexual maturity is reached at approximately 2 years of age.
Spawning occurs near the end of November. The female will lay up to 60,000 eggs. The male is responsible for the protection of the eggs during a period of 3 months, up until they hatch.