Mark the traits of the fish’s adaptability to the aquatic environment.

Streamlined body shape that helps you move faster in the water.
The lateral line, which serves as a “hearing” for fish and helps them navigate in the water space.
A swim bladder that helps all bony fish stay in the water and not sink.
Composure, which helps fish to live in the aquatic environment and not freeze.
The gills, which perform the function of the lungs in fish, filtering water and extracting oxygen from it necessary for breathing.