Is sweet shrimp sea shrimp or river shrimp?

Sea shrimp. Sweet shrimp is a kind of sea shrimp. Sweet shrimp is mainly produced near the Sea of Japan, especially in Hokkaido, and is regarded as a local specialty. Sweet shrimp is very popular in Japanese food and is often used to make sushi and sashimi. In addition, sweet shrimp, also known as "AMAEBI", is a kind of deep-sea shrimp, mainly distributed in Hokkaido and other areas.