Fish swimming at the top

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Jn2011

Aquarium Advice Newbie
Joined
Nov 28, 2012
Messages
3
Ever since we move our guppies have been staying near the surface of the water. We moved a month ago now and no change. Every once in awhile a couple will swim around but for 90% of the day they stay at the top. Anyone know why???
 
Are they just swimming at the top or are they gasping air at the top. Alot of guppies swim in the upper regions and if that is the case (if they aren't gasping for air) they just may have decided this is where they want to swim. If they aren't sick and are eating I wouldn't worry. Also since your obviously had to move their tank did you check ammonia, nitrite, and nitrate readings to be sure you weren't going through a mini cycle again.
 
It doesnt look like their grasping for air... They never swam at the top like this before
 
Remember when you set your tank up it had to cycle and build up beneficial bacteria? First you get ammonia, then nitrites, then nitrates to show how your cycle is progressing. If you don't have any test kits for these things I strongly suggest getting an API master test kit and start monitoring your water. Do you even know your tanks Ph? When you moved the tank, depending on if you dismantled it or just lowered the water level and moved it as is could have cause the loss of some beneficial bacteria which would need to rebuild up again which means the tank would go through a mini cycle.
 
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