Q:

How long can a fish live out of water?

A:

Quick Answer

How long a fish can live out of water depends on the species of fish, as some fish can survive for up to a few days while others can only survive for minutes. The fish that can survive for a few days without water do so by breathing the air or by absorbing it through skin.

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Full Answer

Fish are able to swim and breathe underwater thanks to their intricate gill system. The gills have filters that remove the oxygen from the water that enters and then process the oxygen for use in the fish's system. Scientists believe that fish were found on the Earth approximately 1.7 million years ago and evolved from another species.

It is recommended that an owner of a pet fish not take their fish out of water ever unless transferring between two water areas because pet fish have a tendency to die quickly when left out of water. It is also inhumane to kill a fish by leaving it out of water to suffocate. Most scientists and veterinarians agree that a fish is dead after 10 minutes without gill movement.

Fish can swim for long periods of time, but whenever they get tired they will let themselves flow freely on a current in the water. This helps them avoid using too much energy and oxygen.

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Related Questions

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    What are some facts about betta fish?

    A:

    Betta fish can breathe oxygen both from the water through their gills and directly from the air above the surface of their bowls for small periods of time. The fish can live for a short period of time in oxygen-deficient water though they thrive in small aquariums. Betta fish were first spotted in Southeast Asia, where they live in rice paddies, drainage ditches and flood plains.

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    How do bony fish reproduce?

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    Bony fish have a variety of reproductive strategies, but in most species two separate sexes release sperm and eggs into the water, and fertilization occurs externally. Parental care is quite rare, but seahorses and a few other species do care for their young. Some bony fish change sexes depending on conditions, while others fertilize eggs internally or even birth live young.

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  • Q:

    How long does tap water have to sit out before you put a fish in it?

    A:

    Tap water must sit out and be put through aeration practices for a minimum of 12 hours before fish can be put into the water. The reason for this is that all tap water has chlorine in it and chlorine is harmful to fish.

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    What makes a fish a fish?

    A:

    By definition, fish are animals that live in water, have gills and lack limbs. They are also chordates, which means they have a backbone-like structure that provides support for the body and acts as an anchor for the major muscles.

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