1, fish gills: fresh fish gills cover tightly, bright red in color, some with blood, no mucus and dirt, no peculiar smell. Fish gills are reddish or grayish red, and the fish is not fresh. If the fish gills are gray or black, with thick mucus and dirt, and have a bad smell, it means that the fish has been spoiled.

2, fish eyes: fresh fish eyes are clean and bright, slightly convex, perfect and uncovered. The stale fish eyes are dark and dull, and even covered with a thick paste or dirt, which makes the eyeballs blurred and concave. Corrupt and deteriorated eyeball rupture and displacement.

3. Fin: The epidermis of the fresh fin is close to the fin strip, intact and bright in color. The skin color of stale fins decreased, and there were cracks. The rotten epidermis peeled off and the fins scattered.

Extended data

Precautions for eating fish

1, Don't eat these fish raw: CYPRINIDAE, small miscellaneous fish and freshwater fish are the most vulnerable to the infection of metacercariae in liver fluke disease, so you should avoid eating this kind of raw fish in epidemic areas.

2. Deep-sea fish are not safe: Anisodes is one of the most common parasites in marine fish. The marine fish we often eat, such as salmon, salmon, tuna, cod, eel and grouper, are all hosts of Anisodes.

3, misunderstanding: Some people think that high alcohol, soy sauce, vinegar, garlic, mustard, etc., can kill parasites in sashimi. In fact, these methods are difficult to kill parasites with strong viability like clonorchis sinensis larvae.

4. Safest method: Cooking at high temperature is the safest way to eat fish.

People's Network-Six Ways to Pick Fresh Fish

People's Network-Fish is delicious, but don't eat these six kinds of people.