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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.
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Why is water important to fish?
because fish need it to breathe. just like humans need air to breate. to fish, water is air.
How do blind fish see?
They see the shadow right in front of their face or they sense the other fish.
Why Arona fish swims only on top layer of fish tank?
you dont have enough O2 in your tank, you may need to buy a air stone and pump, they stay up top because there is more air in the water up there. maesure you have good circulation and lighting
How does a fish's bladder cause the fish to move like a submarine?
Their is an air chamber in most fishes just like in submarines. When it gets filled with air the fish moves up. While, when air is released the fish moves down. This is precisely what happens in a submarine.
What does an electric air pump do for aquariums?
An electric air pump oxygenates the water in an aquarium, this allows the fish in the fish tank to breath. if there was no air pump the water would lose its oxygen and the fish would drown.
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.
Why is water important to fish?
because fish need it to breathe. just like humans need air to breate. to fish, water is air.
Do you need air to breath?
not if you are a fish
Why aren't whales fish?
They need to come up for air, unlike fish.
Does all living things need air?
no some dont need air like fish dont they need water
Why is air important for fish?
Fish would actually die without air because they need oxegen, zinc and water.
What makes a sea horse a fish?
it doesnt need air
How do noctunal fish breathe?
All fish, whether nocturnal or not, use their gills. They don't need AIR to breathe, they need water...
Can a kissing fish be kept in a fish bowl?
No, they need air, filtrtion and regulated temperature. Not many fish can be kept in bowls.
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.
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
Do fish need some oxygen?
Yes fish need some oxegen because every living organism needs air.:D
