Refers to fresh marine products used as food, such as fish, shellfish, and seaweed. Often seen in restaurant names and menus.
You can eat fresh seafood at this restaurant.
You can get fresh seafood at this market.
I ordered a seafood rice bowl.
I savored the local seafood while traveling.
Dishes made with seafood are popular.
海鮮 is used mainly in restaurant and culinary contexts for fresh seafood as an ingredient, whereas 海産物 is a broader term that also covers dried or processed marine goods.
Compound of 海 (sea) and 鮮 (fresh), literally 'sea freshness'. The exact historical derivation is uncertain, but the word is conventionally associated with fresh seafood.