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Fish use their gills to filter oxygen from the water. However, if the water is stagnant enough they are unable to get oxygen and suffocate(this is why most fish can't live in puddles or small ponds). Some fish have a labyrinth organ that basically acts as a human lung, so they can breathe both air and underwater and don't have to worry about this(such as betta fish).
What else can I help you with?
What animal gets its oxygen from its gills only?
fish
How fish gets oxygen for respiration from water?
it uses its gills
Do puffer fish need oxygen?
Of course all fish need oxygen even puffer fish....
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.
How long can tropical fish go without having oxygen before they die...?
Water has oxygen dissolved in it. It gets this oxygen from plants, agitation, air stones, air to surface transfer, etc.. Fish require oxygen to live. If there was actually no oxygen in the water, the fish would suffocate in minutes. Otherwise it would depend on the amount of water, the number of fish, and many other factors.
Why do fish not breath water in?
Because it doesn't enter their lungs,it gets converted into oxygen through the gills.
Why is it important to leave air space in a fish jar?
Water gets its oxygen (which the fish need to absorb through their gills to ''breathe'') by absorbing it from the air. If the water surface is not in contact with air, the fish will quickly use up all the oxygen in the water and die.
Why does a fish need the right tempratrue of water?
Because the warmer the water gets the less oxygen the water contains.
Why will a fish in a jar die after some time?
The fish gets its oxygen from the water, from the limited amount dissolved there. Unless more oxygen is added to the water, the fish will "drown" (asphyxiate). In goldfish bowls, it is important to trickle in some water regularly to encourage oxygen intake while also balancing evaporation. In larger aquariums, or with more fish, an aerator bubbles air through the water to add oxygen.
Does gill lamellae use energy to separate oxygen from water?
Oxygen that is dissolved in the water crossed ghe gill menbrane by diffusion. The oxygen is dissolved in the water like carbon dioxide in a beer. This oxygen is not a part of the water molecule. The oxygen in the water molecule is not available to the fish, when dosolved oxygen gets low, yhou have a fish kill.
How do minnow breath?
Fish have gills- thy are similar to lungs, but water gets pumped through them. Oxygen dissolved in the water transfers (in the gills) to the bloodstream of the fish, and carbon dioxide gets flushed out.
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.
