Q:

Do fishes sleep?

A:

Quick Answer

Fish do not sleep like humans do, unaware of their environment. They do have rest periods that seem to function similar to sleep. While at rest, a fish reduces his activity and slows his metabolism. However, he is conscious of his surroundings at all times.

Continue Reading

Full Answer

Fish do not all rest in the same way. Some simply float at rest, while others hide in mud, vegetation, coral or nests. Certain fish, such as bass, rest at night, while others slow down during the daytime. Minnows busily swim in units - schools - during the day, but, at night, they separate and rest quietly. Sharks also rest, but some species must keep moving. In order to "breathe," they need water to circulate through their mouths continually.

Learn more about Fish

Related Questions

  • Q:

    Does fish contain iron?

    A: Fish is an excellent source of iron, according to the Centers for Disease Control and Prevention. The iron found in fish and other meats is absorbed in the... Full Answer >
    Filed Under:
  • Q:

    Why do fish jump?

    A: Fish jump in order to move through their habitat, catch flying prey and escape predators. Leaping allows them to travel upstream and avoid obstacles. Fish ... Full Answer >
    Filed Under:
  • Q:

    Does a fish have a backbone?

    A: Fish are vertebrates and therefore have backbones. Fish are sometimes observed with curved backbones. This is attributed to a variety of factors, including... Full Answer >
    Filed Under:
  • Q:

    What do wild fish eat?

    A: Fish eat a variety of food including plant life and other organisms such as macroinvertabrates, flies, worms, other fish and anything that may live in the ... Full Answer >
    Filed Under:

Explore