I have two black moors and three goldfish. Reccently I found the larger one (still smaller than the golfish, though) sitting at the bottom of the tank, all droopy fins and just looking really sad. However, when I went closer to check if he was dead, he just started swimming back to normal. No clamped fins, no wonky swimming whatsoever. He also went swimming all around the fish tank with no problems, eating is all fine. This continued for a couple of days, but I didn't think much of it since he always looked fine enough later. This would happen multiple times in a day, with him sitting on top of the gravel and me rushing out to check, and then he's fine. He's always sitting at the same spot, somewhere beneath the filter. Then today, one goldie and the other black moor started lying on the bottom with him too. That got me worried, so I'm asking here. They all show the same symptoms, completely normal afterwards. They were also lying straight up, not sideways or anything.
So I'm just worried if there's a problem or if they were just taking a nap? Seems a little too frequent to be naps, though...
Before anyone asks, no, unfortunately I can't get my water tested because my parents wouldn't allow it, and also because of covid. However, I do have some aquarium salt around just in case I need it, and anti-chlorine. I also have a bottle of something that can "supposedly" treat all kinds of fungus and bacterial infection, but I'm hesitant to use it because "can be used for anything!" usually translates to... not very good at everything. All I can do rn is change the water and put aquarium salt, not much besides that, so any and all help is appreciated.
So I'm just worried if there's a problem or if they were just taking a nap? Seems a little too frequent to be naps, though...
Before anyone asks, no, unfortunately I can't get my water tested because my parents wouldn't allow it, and also because of covid. However, I do have some aquarium salt around just in case I need it, and anti-chlorine. I also have a bottle of something that can "supposedly" treat all kinds of fungus and bacterial infection, but I'm hesitant to use it because "can be used for anything!" usually translates to... not very good at everything. All I can do rn is change the water and put aquarium salt, not much besides that, so any and all help is appreciated.