Definition of demersal in English:
(Typically of fish) living close to the floor of the sea or a lake. Often contrasted with pelagic.
- The starkest fact highlighting the plight of fishing is that the amount of adult demersal fish - those living on the seabed - has fallen by 90 per cent since the early 1970s.
- A small beginning has been made to developing the theory of metapopulations of demersal fishes, frequently in the context of reef fish management.
- These fish have demersal eggs, but do not bury the eggs and do not attach them to specific substrates.
Definition of demersal in:
- British & World English dictionary
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