Features of Fish: Structures and Adaptations of Fishes

Fishes are the oldest and most numerous vertebrates, with over 24,000 species. They have adapted well to aquatic environments, featuring streamlined bodies, scales, and swim bladders for efficient movement. Fishes possess advanced senses, such as keen vision and smell, aided by the olfactory lobe and lateral line system. They respire using gills, which facilitate gas exchange. These adaptations make fishes highly suited for aquatic life.

Explain the function of the lateral line system in fishes.

What role do gills play in the survival of fish in aquatic environments?