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No. They have gills remember. Even though it might seem like they come up to breathe the air at the top of the tank. That is very true and they do breathe a little air, but not enough to were when we take away the house hold plants that they will die.

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14y ago

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What kind of gas do plants give off which the fish need?

It is oxygen.


What does the gills enable the fish to do?

Breath! All living things need oxygen to live (except plants). oxygen gets trapped in the water and the fish use it to breath.


Do fish need oxygen plants to live and is it all right to get them from a creek?

Fish need oxygen to survive and obtain it through their gills by extracting it from the water. While aquatic plants can contribute to oxygen levels in a tank or environment, fish primarily rely on dissolved oxygen. It is not recommended to take plants from a creek and place them directly in a fish tank, as they may introduce harmful parasites or contaminants to the aquarium.


Why do you need water plants in aquariums?

Fishes also need oxygen underwater and water plants provide that necessity. It is like trees and plants here above water. We need oxygen given off by them to be able to survive.We keep water plants inside the aquarium to supply oxygen as oxygen is very essential for survival.


Floran fish need the oxygen?

Floran fish need oxygen other wise it will death . so always need oxygen


What gas do eels need to live?

Oxygen. Living things, even ones with gills, need oxygen. The gills filter the oxygen out of the water. If you had a fishtank that did not have plants or something that mixed oxygen into the water, the fish or eels would suffocate.


Why is it possible to grow plants in a closed glass bottle but a goldfish bowl must be open to for the goldfish to survive?

Fish need to breath oxygen and they create carbon dioxide. As the oxygen gets tied up in the CO2, there is no longer any oxygen to support the fish and it dies. Plants break down CO2 and create oxygen.


What type of fish doesnt need oxygen?

All fish need oxygen....


Do baby molly fish need oxygen?

All fish, whether baby or older, need oxygen.


What do plants give off that animals need?

The animals need the oxygen that plants release.


How are plants and fish working together to make resources for one another?

Plants and fish work together because they are part of an entire cycle. Fish make carbon dioxide as a byproduct of respiration and plants use carbon dioxide and water to make carbohydrates and energy while giving off oxygen that the fish need.


Where do fish the air they need?

Fish do not need air they need Oxygen which is a component of air. Nature always tries to balance things out so the surface of the water (meniscus) allows the transfer of gases. CO2 goes out into the air above and O is absorbed by the water. Plants also make Oxygen and use up Carbon dioxide. The fish have gills in which the membranes do the same thing as our lungs.