Is there a freshwater animal that could filter, say, a pond into potable water?

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Claymore132

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Jan 28, 2020
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This is something I have been thinking about for quite some time, but I am having trouble researching it. I have heard that oysters, clams, and sponges filter water, but they are sensitive and require specific conditions. Does anyone know of a species that could filter out extremely dirty water and still thrive?
 

Rbishop

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For what purpose? The fact that they exist in those conditions and remain there doesn't equate to thriving, IMO. But they may be performing a function overall.
 
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Claymore132

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Mostly for the purpose of being able to actually drink the water. Or at least get it close. For example, a retention pond would have a lot of runoff from nearby lawns and roads ( in a city area). This would cause a lot of algae to begin to spawn because of the high phosphorus and nitrogen levels, and eventually lead to a dead zone in that area. So, are there any freshwater animals that act as either a water stabilizer so that it does not contain an over amount of nutrients? And are there any freshwater animals that eat bacteria? (Sry for the large question😅, just very intrested in seeing if there are any existing creatures that exist as a natural filter.)
 
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