Guppy is acting odd

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mPhish

Aquarium Advice Freak
Joined
Jun 18, 2014
Messages
218
One of my guppies swims almost exclusively at the top of the tank. He has been doing this for around 2-2 1/2 weeks now, no other symptoms. His color is less bright than I remember him being and he doesn't swim around with the other fish. He eats and I don't think he's skinnier than normal (usually I can tell). Do you think he is sick or just weird?
 
Guppies are top dwelling fish. They love the surface for the most part. If he is eating, then I would relax a little. Its when fish stop eating that I suspect the worst is about to occur. What do your water tests show?
 
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