Bichers in brackish water?!?!?!?!?!

[Puffer puffer pass]

To syddakyd
That definitely makes sense, if they can only be in very light brackish waters than it would completely change the parameters of what I can keep with him! again I'm just trying to get as much info I can so not to be rude at all... How do you know how much brackish water they can go in? If there is an article that you read this on or any info could you send me the link because I am incredibly curious!


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[Zfishies]

As for the atmospheric breathing question, I still don't see the connection you are drawing between the ability to breath atmospheric oxygen and the ability to survive higher salinities.


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Atmospheric breathing would help so the fish does not have to "drink" the water constantly but when they need to they would drink the high salt content water but can they last long enough for their system to flush out the excesses salt, and get their system back to their normal salinity level. So could they just keep doing this? From your post i see that they do not absorb the salt from their bodies but they absorb it from drinking the water.




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[jclyde13]

Atmospheric breathing would help so the fish does not have to "drink" the water constantly but when they need to they would drink the high salt content water but can they last long enough for their system to flush out the excesses salt, and get their system back to their normal salinity level. So could they just keep doing this? From your post i see that they do not absorb the salt from their bodies but they absorb it from drinking the water.




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The problem that makes fw fish die in saltwater is that they DON'T drink the water like sw fish do, it just passes straight through their gills. If they did, they would probably be able to survive in a sw environment. An air-breathing fw fish would still dehydrate the same way any other fw fish would, because it still would not be replacing any of the water it is losing through osmosis.


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