It has high nutritional value and extremely delicious meat. It is an indispensable dish on our daily dining table. Fish are very particular about freshness. The meat is very good at the mouth and affects appetite.

2025/07/1521:35:34 food 1355

Fish meat is rich in protein , calcium, unsaturated fatty acids and other trace elements and vitamins. It has high nutritional value and extremely delicious meat. It is an indispensable dish on our daily dining table. Fish are very particular about freshness. The meat is very good at the mouth and affects appetite. Rotten fish will cause damage to your health after eating it. Therefore, when purchasing fish, freshness will be the primary issue to consider. To determine whether a fish is fresh, we mainly identify it from the following aspects.

Gums

Fresh fish: The gills are bright in color, without mucus and dirt, and without odor.

Infresh fish: The gills are light red or gray-red.

Rotten and spoiled fish: The gills of the fish are grayish white or black, with mucus and dirt attached, and have a odor.

Fresh fish eyes

Fresh fish: The fish eyes are smooth and bright, slightly convex, without covering.

Infresh fish: The fish's eyes are dark and dull, and even a thick paste film or dirt is covered with, the eyeballs are blurred and concave.

Rotten and spoiled fish: The fish's eyeball will rupture and displace.

Epidermis

Fresh fish: The epidermis is shiny, the scales are complete and close to the fish body, the scales are distinct, and the thin mucus attached to the fish body is an inherent physiological phenomenon in the fish body.

Not fresh fish: The skin is dark and dull, the scales are loose, the layers are blurred, some fish scales will even discolor, and the skin has thick mucus.

Rotten and spoiled fish: The color changes completely, the skin has thick mucus and smells bad.

Serum

Fresh fish: The fish meat is tightly tissue, the meat is solid, and the elasticity is obvious with your hands. After the hand is loosened, the depression that is pressed is immediately smoothed.

fins

Fresh fish: The skin of the fins will be close to the fin strips, and will be intact and have a bright color.

Infresh fish: The fins have a diminished color and are ruptured.

Rotten fish: The fin skin will deteriorate and fall off, and the fin strips will spread out.

Body shape

Fresh fish: Pick up the fish body, straight body, firm lips, no color change, and tight abdomen.

Infresh fish: The flesh is inelastic when held in the hand, the head and tail are soft and drooping, the lips are pale, the abdomen is swollen and soft, and the anus is protruding.

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