Answer 1

Pelagic fish

1. These are generally small in size and swim near the surface.
2. They are found in large shoals and may be caught close to the shore or far out at sea.
3. E.g., macrakel, herring, etc.

Demersal fish

1. These fish live at the bottom of shallow seas.
2. They prefer cooler waters and thus, are most frequently found at depths of about 40 meters where sunlight can easily penetrate.
3. E.g., cod, halibut, etc.