edible fish (broadly including freshwater fish) or shellfish or roe etc
"The chef prepared a delicious seafood platter featuring grilled salmon, steamed mussels, and fried shrimp."
A colloquial term for Fish, shellfish, seaweed, and other edible aquatic life.
"When we ordered seafood at that casual beach shack, our waiter brought out a mixed platter of fish, shrimp, and some local seaweed salad."
In plain English: Seafood is any kind of food that comes from living things found in the ocean, lakes, or rivers.
"The restaurant's special features a fresh selection of seafood."
Usage: Seafood refers to any edible marine animal or plant consumed by humans, including fish, crustaceans like shrimp and crab, as well as mollusks such as oysters and clams. While the term is often used interchangeably with "fish" in casual conversation, it specifically encompasses a broader range of aquatic organisms beyond just finned animals.
The word seafood is a straightforward combination of the words sea and food. It was first used to describe any edible creature that lives in the ocean or other bodies of salt water.