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2007-03-17 15:11:59 · 10 answers · asked by suzy 2 in Pets Fish

10 answers

Yes, fish do urinate. However, they don't do it like we do; and it doesn't come out with the feces.

Fish "urinate" through their gills. Basically, because their gills are in complete contact with the water (how they get their oxygen), they also excrete wastes directly from the bloodstream here. The main urine-based compound here is ammonia -- that's one of the main sources of ammonia in a tank, and why you see a buildup of ammonia in the tank before the proper bacteria have established themselves in the tank yet.

And fish do drink -- it's all really a matter of maintaining the correct salt levels in their blood. Sometimes they will take it in directly through their mouth, and other times it flows in through their gills where they absorb it.

Hope it helps!

2007-03-19 03:33:59 · answer #1 · answered by lucid696 4 · 0 0

fishs internal organs work in the same way to remove waste fron there bodies so in some ways you could say that they pee as they do use there tank as the toilet.

2007-03-18 03:20:13 · answer #2 · answered by Lucy 2 · 2 0

i wouldn't say pee but fish do poo so i think that the pee is in the poo or they might and we cant see it.

2007-03-18 00:55:25 · answer #3 · answered by Orhan K 2 · 0 0

Yes thats one of the reasons there tank needs to be cleaned.

2007-03-21 04:28:50 · answer #4 · answered by Ollie 7 · 0 0

Yes they urinate. That is part of the ammonia problem with ponds.

2007-03-19 07:45:02 · answer #5 · answered by Anonymous · 0 0

Probably-they have kidneys and a bladder.

2007-03-18 05:50:06 · answer #6 · answered by Anonymous · 0 0

Nope they dont drink anything so why would they need to?

2007-03-18 02:53:56 · answer #7 · answered by Anonymous · 0 1

If fish can crap they can piss.

2007-03-18 12:41:48 · answer #8 · answered by Little Minx 4 · 0 1

i don't know, but they do fart ( blow wind when they Pooh )

2007-03-18 12:28:16 · answer #9 · answered by NIGEL R 7 · 0 0

yes and poo

2007-03-18 13:32:38 · answer #10 · answered by ? 6 · 0 0

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