Red sea urchin is red or orange in appearance.

The red sea urchin is a small, spiny invertebrate that lives in shallow coastal waters. It is one of the longest-lived animals on earth. They can live for 100 years, and some even live for 200 years or more, and remain healthy and show no signs of aging.

It lives in the shallow waters of the Pacific coast and other oceans from Alaska to Baja, California. It feeds on marine plants and protects itself from intrusion with its sharp spines.

red sea urchin is a nutritious seafood with the following nutritional values:

1. Protein: Red Sea urchin is rich in high-quality protein, which is one of the important nutrients needed by the body and is essential for cell repair and tissue growth.

2. Fat: Red sea urchin contains moderate amounts of fat, including Omega-3 fatty acids, which are beneficial for heart health and inflammation suppression.

3. Vitamins: Red sea urchin is rich in multiple vitamins, including vitamin A, vitamin B12, folic acid and vitamin D. Vitamin A is essential for vision and immune system function, vitamin B12 is essential for normal nervous system function, folic acid plays an important role in women's health and the development of babies, and vitamin D aids in calcium absorption and bone health.

4. Minerals: Red sea urchin is rich in various minerals, such as calcium, magnesium, zinc, iron and phosphorus. These minerals play important roles in bone health, muscle function, and blood production.

It should be noted that the specific nutritional content of red sea urchin may vary depending on the region and individual differences. When enjoying red sea urchin, be sure to choose fresh, healthy sea urchin and eat it with a balanced diet. For specific health concerns or special dietary requirements, please seek the advice of a professional physician or nutritionist.

Red sea urchin is usually eaten raw and is popular for its delicious texture and unique flavor. Here's a common way to cook red sea urchin:

1. Sashimi or sushi: Cut the fresh red sea urchin into pieces, take out the sea urchin meat inside, and then eat it in the form of sashimi or sushi. Can be paired with other seafood, rice and sauces such as soy sauce, mustard or vinegar to add flavor.

In addition to eating it raw, some people also like to use red sea urchin in some cooking methods, such as:

2. Sea urchin sauce: Stir red sea urchin into a slurry, then mix with other seasonings, such as lemon juice, olive oil, garlic and herbs, to make sea urchin sauce. Sea urchin sauce can be used to dip seafood, bread or accompany other dishes.

No matter which way you cook it, be sure to use fresh, healthy red sea urchin, seasoned and paired according to your personal tastes and preferences. Because red sea urchin has a unique texture and flavor, some people may need to get used to its flavor. If you're trying red sea urchin for the first time or have concerns about a specific ingredient, ask a professional chef or seafood expert for advice.