Japanese delicacy is a broad term that encompasses many different types of food. Sushi, which is made from vinegared rice and various ingredients such as raw fish, vegetables, and sometimes tropical fruits, is a popular Japanese delicacy. ROE, which is the eggs of fish or shellfish, is also a popular Japanese delicacy. EEL, which is a type of fish, is often served grilled or in sushi. Seasnake, which is a type of EEL, is also a popular Japanese delicacy.