Tropical Fish Keeping - Aquarium fish care and resources

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zen 02-12-2007 12:48 PM

Mollie on the surface
My mollie who is the only fish in the tank so far seems to spend most of her time on the surface gulping in the air. I'm pretty certain I haven't overfed her, what else could be the problem? Or alternatively, is this common behaviour for mollies?

fish_4_all 02-12-2007 01:01 PM

Could be a gasp for air from a couple things. The first and easiest to fix is a simple lack of dissolved oxygen in the tank. Add an airstone and see if that helps. The second could be the results of either parasites or damaged gills in which case the cause needs to be identified immediately. Check your nitrate, nitrite and ammonia levels. Try to look at the fish's gills and see if they are red or swollen, if they are, post in the disease section to get help.

daisycutter 02-23-2007 05:58 AM

the ones i own tend to do this when they think there getting fed mollies like the filtration a bit stronger than other livebearers

lioness501 02-23-2007 08:45 AM

all 4 of my mollies hang around the surface for a while each day. if there r no signs of illness, id guess that this is normal ;)

Arash 03-04-2007 06:10 AM

hi there
IF there is no lack of oxygen there is no problem some times they like to be there.
and also if you feed with only surfsce foods they won't go down.

but if she is alone try to add some male and females there.

for each 1 good male 3 female is a good deal.

try to incease the oxygen and buy some more mollies.

yopu will see what will happen then.


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