Question

Where are demersal types of fish varieties found?
1. Deep in the sea
2. In the polar region
3. Near the surface of the open ocean
4. Near the equator

Answer 1

Correct Answer - Option 1 : Deep in the sea

The correct answer is Deep in the sea.

• Demersal Zone itself means, the part of the ocean or sea close to the seabed.
• Demersal Fish can be found near the sea floors and beds.
• These can be classified into two types:
  • ​Benthic : Also called 'Groundfish'. These can generally rest on the seabed.
  • Benthopelagic : These lie marginally above the seabed and eat benthos and zooplankton.
• Examples of Demersal fishes includes, Cod, Haddock, and flatfish such as Turbot and Halibut.

• Coastal Demersal Fish : Can be found one the seabeds of coastal waters.
• Deep Water Demersal Fish : Beyond the continental area, these fish dominate. Improved diversity of habitat.