Why is tuna called tuna? Yao Ming is nothing like a golden gun.

The appearance color is golden yellow, the back side is dark and the ventral side is silvery white.

Tuna meat is red because it contains a lot of myoglobin, but some tuna meat is white. Tuna is good at swimming and tireless, with an average speed of 30-50 kilometers per hour and a top speed of 160 kilometers per hour. They are one of the fastest swimming marine animals, which can only be matched by extremely fierce sharks and dolphins, even faster than the fastest animals on land.

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Precautions for users to eat tuna:

1, pregnant women need to tonify the kidney when eating tuna during pregnancy, because tuna contains a lot of mercury. If pregnant women often eat some tuna during pregnancy, it is likely to lead to mental retardation of newborn babies and even deformed babies, so pregnant women should pay great attention to this.

2. Many people suffer from diabetes in daily life, so it is suggested that some diabetic users can eat tuna, because tuna can better regulate the blood sugar balance in the human body.

3. Before eating spicy tuna, users should eat it carefully according to their physical condition, and don't lose big because of small. And in daily life, we should reduce the frequency of eating tuna. Although fish is delicious, health is the most important thing.

Baidu encyclopedia-tuna