noun
bottom-dwelling fish; demersal fish
Refers to fish that live near the sea floor. The term is used in biology and fisheries contexts.
底魚は海底近くに生息する魚の総称です。
Bottom-dwelling fish is a general term for fish that live near the sea floor.
この海域では底魚の漁獲量が増えている。
The catch of demersal fish is increasing in this sea area.