Scallop cultures can be classified into three types: hatchery cultures, nursery cultures, and bottom cultures. Hatchery cultures are the fisheries in which scallop spats are cultivated for one year for the nursery or bottom cultures. Scallops spawn around April. After spending a planktonic phase, they settle in a spat bag around May and then they metamorphose into a juvenile. The collected juveniles grow to around 6 mm in length by around August and are placed in a pearl net. Around September, they grow to around 15 mm and are placed in other pearl net with a larger mesh. Around May of the following year, the scallops advance to the growout stage in nursery or bottom cultures. After additional one and a half years of cultivation, they grow to over 10 cm and are ready to be sold.
Photo: Aquaculture Fishery Cooperative of Lake Saroma
Editing: Balanced Ocean Operations Department, Ahn Hyojin
Related course: Scallop Cultures in Lake Saroma
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22 янв 2023
