No, there are a lot of microorganisms in aquatic products, with a high proportion of bacteria such as Vibrio parahaemolyticus and Vibrio cholerae, and even many parasites. Must be effectively heated and sterilized to ensure safety.

Extended data:

Crabs are rich in protein, high in cholesterol and purine. Gout patients should be self-made when eating, and patients with colds, hepatitis and cardiovascular diseases should not eat crabs. China has a tradition of eating crabs around the Mid-Autumn Festival. Chinese medicine believes that crabs are cold, so ginger and perilla are often used to prepare the seasoning for eating crabs.

Crabs are rich in protein and trace elements, which have a good nourishing effect on the body. Crabs contain more vitamin A, which is helpful for skin keratinization. Crabs also have anti-tuberculosis effects, and eating crabs is of great benefit to the rehabilitation of tuberculosis.

References:

Baidu Encyclopedia-Crab, People.com-How many of those taboos about eating crabs are true?