08-24-2009, 11:11 AM
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Guppies staying at top of aquarium
Hi all, I'm a bit concerned about my new guppies (new tank too), they never go down to the bottom of the tank and seem to just stay swimming around with their noses just breaking the water surface at the top of the tank, i've seen other guppies that don't do this, I was just wondering what might be causing it... I have a hunch that its down to lack of oxygen, and will be purchasing an air pump in the very near future.
Any advice greatly appreciated.