The Sái Sùng, or sandworm, also goes under the other local name of Con Mồi.

Its original residence is the island district of Vân Hải, chiefly in the villages of Minh Châu and Quan Lạn. The animals live in beaches, and the local population digs them out as the tide ebbs. Sái Sùng  digging requires experience and technique. The dug-out Sái Sùng  will be browned in fat and then eaten with fresh onions.

Dried Sái Sùng, when roasted, has a yellow color and a salty sea odour. When dipped into chilli and mixed with leaves of Diếp Cá (a strong-tasting vegetable), not to mention with a good beer, it is a local favourite.

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