1. Look at the color. The color of wild Monopterus albus is bluish yellow or orange, and the patterns and spots on both sides of abdomen and body are large and deep.

2. Look at the body shape. Wild Monopterus albus has a slender tail and a streamlined body.

3. according to taste. Wild Monopterus albus has firm meat, tough taste, chewy head and unique sweetness.

4. The color of blood is different. The blood of wild Monopterus albus is dark red or dark red after division, which is sticky and rich.

5. Look at the strength. Wild Monopterus albus is muscular and powerful.

6. Stay alert. Wild Monopterus albus is more alert and active because it lives in the wild.

Extended data:

Nutritional value of wild Monopterus albus;

1. Wild Monopterus albus is warm and sweet. Entering the liver, spleen and kidney meridian has the function of tonifying kidney.

2. It contains high vitamin A, which can improve vision and promote the metabolism of skin membrane.

3. It contains lecithin, which can improve memory and has the function of nourishing the brain and keeping fit.

4. It has the effects of invigorating middle energizer, nourishing blood, stopping bleeding, nourishing liver and kidney, expelling wind and dredging collaterals.

Reference source: Baidu Encyclopedia-Monopterus albus