adjective
- living on or near the bottom of a sea or lake
Usage: marine biology
Examples
- Cod and flounder are demersal fish that feed along the ocean floor.
- The research team studied demersal species in the North Atlantic.
- Demersal fishing requires different techniques than catching surface fish.
- Many demersal fish have adapted to life in deep, cold waters.
- The trawling net was designed to catch demersal species.
- Scientists monitor demersal fish populations to assess ocean health.