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Air as such is not needed by most fish but disolved oxygen is an absolute neccessity in the water. That is why boiled water is a 'no no'. Boiling removes the gasses from the water. Most tap and rainwater tank water contains sufficient O for fish to live in quite happily provided a properly cycled filter is in use to remove the Ammonia and Nitrite generated by the fish.
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoThey have Respiratory gills and Fins through which they can take oxygen dissolved in the water. The blood in these fins of the fishes actually flow in tandem fashion so as to extract maximum of the oxygen from the water. The extracted oxygen actually traveels along with oxy carriers in blood to the various organs.
Wiki User
∙ 11y agoMost fish do not breath air. They obtain the Oxygen they need to live from that dissolved in the water in which they swim. Their organ for doing this is galled a 'gill'; fish have 'gills'.
However, there are some fish which can survive out of water by gulping air. These are called 'lung fish' and 'mud skippers'. The air they gulp (not breath) is the same air that you breath; the atmosphere of the planet Earth.
Wiki User
∙ 14y agoFrom what they swim in H2O with the help from gills.
Wiki User
∙ 12y agothey will live for 2 mins unless you put them in a cooler full of water then they will live longer
dont try it u pet abuser. no bad JK
Wiki User
∙ 14y agofish breathe about as often as we do.
Anonymous
Soo fish do not need air right?
Anonymous
Ye
Anonymous
Can ans my q
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Why does a fish die when it is out of water?
because like us they need water to live it's like our air without air we couldn''t survive. So fish need water to survive because it is a basic need
Why is a beta considered a fish if it breathes air?
A betta does not breathe air all the time, it is a fish with gills that lives in water, and it certainly looks like a fish. However, they do need to have an air space at the top of an aquarium and can survive in a wet tissue. They are fascinating fish, but they are definitely fish.
Do fish need air?
They need oxygen definitely to survive. They get this from filtration through their gills. As far as light is concerned, they do not need light to survive as many live below the layer in the ocean that light can permeate. There are fish that lice in total darkness. They have adapted over the years to exist in these conditions.
Why do fish need oxygen to survive?
Fish extract oxygen from water using gills, but gills cannot extract oxygen from air. A few species of fish (e.g. lungfish, snakehead) have some ability to extract oxygen from air (e.g. lungfish use a modified swim bladder like a lung) and can survive short trips across dry land from one shallow pool to another.
What does Archaebacteria need to survive?
Most archaebacteria need to have air and water to survive. Some archaebacteria don't need air only sunlight to survive.
Why do fish need air so badly?
fish need air because they won't be able to breath if they didn't have air, and fish need air badly because they spend most time in the water. fish need air as much as we do.
What is the level of oxygen tropical fish need to survive?
it depends on the fish.
What abiotic thing do biotic things need to survive?
biotic things (living) need many things to survive. but some of the things they need are abiotic (non-living). like a fish, it needs water to survive. the fish is biotic and the water is abiotic. also all plants and animals need water, air, soil, food, sunlight and ideal temperature. these are all abiotic things.
What do you need to research if you want a fish tank?
TheType of fish that you put in the tank and what they need to survive
How do otter survive?
the need fish to survive
Why can't a swan survive in a deciduous forest?
they need water to survive and they also need food (fish).
Do plants fish and soil all need the air that you breath to survive?
yes, because animals breathe it and plants use carbon dixiode
