👉 The term "mandu" is a specific type of fish, commonly known as the "red snapper." It is native to the South China Sea and is often referred to as a red snapper due to its vibrant red color. The fish has a long, slender body with a distinctive red belly and can grow up to 15 inches in length. They are also known for their high nutritional value, being rich in omega-3 fatty acids, vitamin B12, and various minerals