I have a 125 litre fish tank and have had about 15 swordtails for a while now with no previous problems with them. About a week ago my heater broke and I had to replace it with a less powerful one this means the water isn't as warm as normal as usual but it is heated. Since then my swordtails have been dying one by one. It started with a pregnant female and then one by one they have been dying off, I am now left 6 and 2 look like they are going the same way. The dead fish have no bites or abnormal markings or shaped bodies. I have don chemical tests and there was nothing peculiar plus I have two angelfish and 7 neon tetras and so far none of them have been affected. Please help if you do know what might be happening or if you have a cure for it.
Red swordtails dying rapidly
- Thread starter amylizcat
- Start date
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