SCIENTIFIC NAME: Ostrea edulis
SIZE: Can reach more than 20cm long, though most are around 11cm. LIFESPAN: Up to 15 years. They reach maturity between 36 to 60 months old. SEASONALITY: They are generally available in the UK from September to April each year. NAMES: Native oysters are also known as ‘common’ or ‘flat’ oysters. REPRODUCTION: Can shift between the male and female sex twice per season.