All fish need oxygen to live, but not all fish get it the same way. Some fish, such as bettas and gouramis (labyrinth family) have a special ability to obtain oxygen directly from the air - as if "breathing" it. Others need oxygen refreshed, or difused, into the water. In low oxygen conditions, you will often see fish at the surface "gasping" because it is the breaking of the surface tension between the air and water that inputs oxygen into the water (although high ammonia or nitrite levels can cause the same reaction). So... yes, molly fish do need oxygen.
2006-06-28 18:55:47
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answer #1
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answered by Jason M 2
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The only fish that don't need oxygen is the fresh water fish and chinese fighters, the rest of them all need oxygen
2006-06-29 04:48:51
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answer #2
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answered by Anonymous
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Any living thing needs oxygen.
About air pumps... Contrary to common belief, air pumps do not add any oxygen to the water. The bubbles go up to the surface, and break the surface of the water, thus allowing c02 out and 02 in. A powerhead is more efficient because it allows more surface disruption.
2006-06-29 19:31:43
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answer #3
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answered by Anonymous
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Of course, every living creature need oxygen. But If you mean aerator, it depends on the size of tank and how many molly do you keep in there.
2006-06-29 02:59:21
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answer #4
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answered by Henk 2
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Yes,all living things need oxygen!
2006-06-29 04:24:21
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answer #5
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answered by Diya 1
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all fish need oxygen
2006-06-29 00:31:31
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answer #6
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answered by jkelmagic 3
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Do they need aeration? Yes. Get an air pump and a small air stone to bury under his/her gravel. Make sure you have a filter and a heater, too.
2006-06-29 00:38:06
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answer #7
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answered by birdistasty 5
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Every kind of fish needs oxigent, but don't give 'em to much
2006-06-29 00:32:29
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answer #8
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answered by mighty_gandalf 1
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Yes, i believe they need a water filter pump. if you want air breathers look for goldfish or siamese fighting fish.
2006-06-29 00:32:17
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answer #9
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answered by Anonymous
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they need an aerator just like any fish yes.
2006-06-29 00:31:34
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answer #10
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answered by yeller 6
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