found on or near the bottom of a sea, lake, etc.; benthic
Origin of demersalfrom Classical Latin demersus, past participle of demergere, to submerge from de-, de- + mergere, to sink (see merge) + -al
- Dwelling at or near the bottom of a body of water: a demersal fish.
- Sinking to or deposited near the bottom of a body of water: demersal fish eggs.
Origin of demersalFrom Latin dēmersus past participle of dēmergere to sink dē- de- mergere to sink
(comparative more demersal, superlative most demersal)
- (biology) That lives near the bottom of a body of water.
- (living near the bottom of a body of water): planktonic