Guangzhou is a famous food city with many delicious seafood. Here are some cheap seafood worth recommending:

1. Huajia: Huajia is a common shellfish seafood with relatively low price but delicious taste. In Guangzhou, you can buy flowers in the night market or seafood market, and then cook with garlic, pepper and other spices. It tastes very good.

2. Shrimp: Shrimp is a nutritious seafood and a favorite food of Guangzhou people. In Guangzhou, you can buy fresh prawns or new prawns and cook them by steaming and boiling. They taste delicious.

3. Carp: Carp is a common freshwater fish and a favorite food of Guangzhou people. In Guangzhou, you can buy fresh carp and cook it by steaming and stewing. It tastes very good.

4. Crab: Crab is a kind of nutritious seafood and a favorite food of Guangzhou people. In Guangzhou, you can buy fresh crabs and cook them with steaming and spicy methods. They taste delicious.

5. Scallop: Scallop is a nutritious seafood and a favorite food of Guangzhou people. In Guangzhou, you can buy fresh scallops and cook them with garlic, vermicelli and other seasonings. They are very delicious.

In a word, there are many delicious seafood in Guangzhou. You can choose different seafood cooking methods according to your personal taste and budget, and enjoy the fun of delicious food.