Animals That Swim

1) Can Fishes Suffocate in Water? How?

• Yes, fishes do suffocate in water when there is not enough amount of dissolved oxygen in the water.
• This prevents the fish from breathing properly, so they suffocate and die.

2) Do Fish Sleep?

• Fishes do not look like sleeping like other animals, as they lack eyelids and cannot close their eyes.
• But they do rest.
• While resting, they either keep floating in the same place or wedge themselves into a surface.