Russia is located in Eurasia and is rich in marine resources, so seafood is a major feature of Russian cuisine. Here are some delicious Russian seafood:

1. Russian caviar: Russian caviar is a world-famous food, usually made from the caviar of sturgeon or salmon. It tastes delicate and delicious.

2. Grilled fish: Russian grilled fish is very famous. Commonly used fish are salmon, cod, perch and so on. When baking, a lot of spices and seasonings are added, which is rich in flavor.

3. Russian sour fish: Russian sour fish is a traditional fish food, pickled with vinegar and seasoning, sour and delicious.

4. Fish salad: Russian fish salad is a common seafood dish. Cut the fresh fish into pieces and mix well with vegetables and salad dressing. It's delicious.

5. Russian-style fish soup: Russian-style fish soup is a traditional seafood dish, which is often cooked with salmon, cod and other fish, accompanied by seasonings such as potatoes, carrots and onions. It is rich in taste and delicious.

To sum up, Russian seafood has a wide variety and delicious taste, which is a major feature of Russian cuisine.