The swim bladder is a thin, translucent layer of muscle fibers above the stomach of a fish, similar to the shape of a tendon. It is also known as the fish belly. It is mainly composed of collagen fibers and is rich in protein and collagen, making it a high-protein, low-fat, low-cholesterol food that is often used to cook a variety of cuisines.

Often, people will cut the swim bladder inside the fish into small pieces and cook it with various ingredients. For example, when grilling, the swim bladder can be thoroughly cleaned, sprinkled with seasonings, and then grilled whole in the oven. Or you can cut the swim bladder into bite-sized pieces, season with salt, chili powder and ginger, and stir-fry them with other vegetables or rice to make them very tasty.

The swim bladder in the fish has a certain nutritional value, which can help the human body to supplement collagen, promote the elasticity of the skin, so that the skin is more smooth and tender; at the same time, it can also provide the human body with high-quality protein and amino acids. Especially for the elderly, pregnant women and children and other groups, the consumption of fish swim bladder can also help to promote the intellectual development of children and maintain the health of the elderly. Therefore, we usually need to consume a variety of food, and moderate consumption of food containing swim bladder can make the health more secure.