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im having a row with my girlfriend2007-11-24 23:37:02

do fish urinate? i believe they do.

Answers:

Yes they do.

Read this:

http://www.fishdoc.co.uk/water/osmoregul.

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maybe they sweat through there scales instead.

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yes they do!.xxxx

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I think you may be right there.

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Never mind about the fish, I want to know what you two are arguing about.

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Salt water fish do. They have to, to get rid of the excess salt they take in. Fresh water fish don't even have to drink.

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They poo, but I don't know about wee wee!

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Okay.simple stuff we learned in kindergarten.if it eats & drinks, it pees & poops..

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all fish urinate, fresh water fish urinate quite a lot where as salt water fish do not urinate as much. so the answer is yes. YOU WIN!

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ALL animals urinate.otherwise, they'd literally explode and die.

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They only have one orifice for excreting waste. Most of it comes out as a solid, but some is not quite as solid. It does not, however, emerge as a liquid. Therefore does not qualify as urine.

So, no, fish do not urinate as mammals do.

They do fart, though.

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Well they poop so yes!

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YES THEY MIX IT WITH THERE POOP

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I think the poo and wee are going out the same time as the chicken does.

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strange question lol, never thought whether a bird wee's either !!

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has your tank overflowed lately?

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YES THEY DO,THEY WEE AND POO,YOU CAN GET STRIPS TO TEST THE WATER FOR NITRATES-NO2 AND NO3(WEE,POO);PH;GH(GENERAL HARDNES OF THE WATER).

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Yes fish can urinate.

Birds however, cannot.

Birds have no urinary tract, which is why their poo is a mixture of wastes and concentrated uric acid.

This is why bird poo is corrosive.

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Of course they do

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Fish urinate constantly, a very weak solution, it's about 25-30% of their body mass every day.:S