In both cases, the fish will die first in the sealed container. Oxygen gets into the water through the air, no air = no oxygen = suffocated fish. The gas exchange will also remove CO2, and in a closed system, the CO2 will buildup, killing the fish (even though there is still enough oxygen).
Soop Nazi
EDIT: Lol, Ghappy... thank you for pointing that out to the thumbers.
2007-11-02 15:25:17
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answer #1
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answered by nosoop4u246 7
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1. Depending on the size of the container, and therefore the amount of water....normal water that is exposed to air has about 20ppm of oxygen in the water. If you had a small glass jar that was sealed with one fish in it, it would only last a day before it suffocated. If it was a large sealed container (like 5 gallons) the fish would last out until the water change happened. As for the unsealed container, gas exchange will happen naturally on the surface of the water (that is why you do not fill a goldfish bowl to the top, ideally, you would fill it halfway, providing the most water surface area for oxygen exchange). This fish too however, will perish, as its water will eventually become so toxic due to its own excrements over time. Also, as the water evaporates, it leaves behind a higher and higher mineral content (that is why aquariusts perform regular water changes, not "top-ups")
2. I think you can figure it out based on the answer to number 1.
2007-11-02 15:15:54
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answer #2
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answered by Ed L 4
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Depends on the size of the bowl. If it has enough oxygen for 3 days, the changed water will live forever. On the next question they would either die simultaneously or the sealed container would die first.
Fish could not jump out and breathe if that is the issue.
Ya'll need to have a kid or something!
2007-11-02 15:06:03
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answer #3
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answered by Wine and Window Guy 4
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It would depend upon the type of fish. Fish with labyrinth organs can breath surface "air" and also obtain oxygen from the water. Some fish excrete massive amounts of waste with toxify the water more rapidly than other ( i.e. goldfish). Also, it would depend upon how much water/air is in the sealed container.
Both scenarios are hopefully hypothetical as both would lead to the ultimate demise of the fish. The only answer I can provide with reasonable accuracy is that all the fish will die an uneccesarily excruciating death. Fish with labyrinth organs (such as betta) would survive longer in both scenarios.
2007-11-02 15:07:05
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answer #4
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answered by Finatic 7
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depends on the size of the bowl...and fish i guess
well, obviously the fish without the lid will last longer...because there is are. The fish don't breath air like we do. they get air from the water, through their gills. Bbut you still need air around the bowl, and you would be better off with an air pump and some plants too
2007-11-02 15:15:35
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answer #5
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answered by Anonymous
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Well... The one with the sealed containers die first because my fighting fish needs to breathe and i the bowl is sealed it will die. But if you don't believe me then buy fish and try.
2007-11-04 04:09:17
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answer #6
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answered by Sammy 2
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YES!
A gill is a respiration organ that functions for the extraction of oxygen from water and the excretion of carbon dioxide. Unlike many small aquatic animals, which can absorb oxygen through the entire surface of their bodies, more complex aquatic organisms have gills specially formed to present an adequate surface area to the external environment. Gills are usually thin plates of tissue, branches, or slender tufted processes and, with the exception of some aquatic insects, they contain blood or coelomic fluid, which exchanges gases through their thin walls. Oxygen is carried by the blood to other parts of the body. Carbon dioxide passes from the blood through the thin gill tissue into the water. Gills or gill-like organs, located in different parts of the body, are found in various groups of animalia. These include mollusks, crustaceans, insects, fish, and amphibians
2007-11-02 15:06:43
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answer #7
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answered by Anonymous
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Nothing happens even you put 2 fishes the one changes water. NOTHING. From the facts, the sealed containers make Co2 more so they could die pronto but the 3 times a day clean container fish could have a longer life.
The second......... COMMON SENSE. The fish with no lid will live many years.
Satisfied.
2007-11-02 15:04:19
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answer #8
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answered by Chad, M.D. 4
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I think it is unbelievable to think that two grown adults would get any sort of entertainment or amusement from contemplating the torture death of an innocent creature. Grow up.
2007-11-02 15:05:11
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answer #9
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answered by emma 2
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All these thought out answers and the real question is:
Why don't you all get a life?
2007-11-02 15:13:19
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answer #10
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answered by Anonymous
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