Ocean delicacy is a term used to describe edible seafood, such as fish eggs, that are harvested from the ocean. ROE, which is a three-letter word, is one of the most popular ocean delicacies. It is the mass of eggs produced by fish and other aquatic animals, and is often used in sushi dishes. ROE is also known for its high nutritional value, as it is rich in omega-3 fatty acids, vitamins, and minerals.