My new goldfish were swimming earlier, sort of lopsided, not completely sideways, just leaning over. On their filter, there's a switch that makes the oxygen going into the water bubble, and I'm assuming that it puts more oxygen in the water, but if you flip the switch, it stops bubbling, but you can still feel stuff coming out of it. When they were on their side, no matter how I had the switch, it wouldn't bubble, I believe the oxygen tube thingy was cut off somewhere, but I could still feel stuff coming out of it, so I thought it was fine. That's when they were leaning over. It's bubbling now, I straightened out the tube, and they're both very energetic now (if you read some of my questions earlier you know that) but I'm just curious, if I see them doing that again, is it something I should worry about? And if it is, what should I do about it?
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