The annual Spanish Mackerel Festival has kicked off at Laoshan District in east China’s Qingdao City, Shandong Province on Tuesday. An 11 kilogram Spanish mackerel was one of the heaviest caught this year. /CFP

Shazikou in Laoshan District is dubbed the home of Spanish mackerel. It is said that a woman adopted a boy and married her daughter to him. /CFP

One day the woman fell ill and wanted to eat fish on her deathbed. The boy braved the elements to buy the fish but the woman failed to wait for his coming. Thereafter, the boy placed Spanish mackerel as an offerings each spring on her tomb. /CFP

The local people fulfill their filial duty to their parents by bringing Spanish mackerel when visiting their parents in spring. /CFP