Longli fish is also called pedal fish, beef tongue fish, sole fish and tongue sole. Longli fish is tender and nutritious, belonging to high-quality marine fish with high meat yield and delicious taste. Longli fish has only the middle spine, with less thorns and more meat, and almost no fishy smell. It tastes good when fried.

Black fish, also known as mullet, raw fish, wealth fish, snake fish, salamander and so on. The snakehead is big, fast growing and of high economic value. Snakehead has less bone spurs, high meat content and rich nutrition, which is higher than protein contained in chicken and beef. As a medicine, snakehead has the functions of removing blood stasis, promoting tissue regeneration, nourishing and recuperating. After operation, snakehead has the functions of promoting granulation, enriching blood and promoting wound healing, and its nutritional value is very rich. Cooking methods mainly include black fish in clear soup, black fish in soy sauce, black fish in vinegar sauce, black fish in pickled cabbage, black fish in dry burning, black fish in braised steam, black fish in stewed soup, black fish in garlic and so on.