Oscar struggling to breath and not eating

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Razer126 created the topic: Oscar struggling to breath and not eating

Hello, although I’ve used this forum for advice many times over the years this is my first post, although long I wanted to include all the info so people don’t need to ask! My Oscar has recently had a big change of behaviour and has gone from being very lively and Intrested to just moping around at the back, near the aerator or surface. He is gaping and appears to be struggling for oxygen. This is now the 5th day and he hasn’t visibly eaten in this time either so is starting to loose a little weight. I’ve had him for about 5 1/2 Years now since a juvenile along with another Oscar bought at the same time. Their tankmates are 4x silver dollers and a common plec. Nothing has changed in terms of the setup or anything to cause stress. Everything is the same as it has been for 5 years. Temp is fine, water parameters are fine, my nitrate is always a little high but no higher than usual. Filtration is a fluval fx5, an Eheim professional 3e, and a UV Vecton V2 600. Same setup as always and haven’t missed a waterchange. Everything is as normal. All other fish in the tank are completely fine and the tank has twin air pumps as well as a spray bar so O2 levels are more than sufficient. Other than this he appears in good health, I’m assuming an internal bacterial infection that’s got through the UV, any suggestions of orther causes or treatments? (Tank is custom 5x2x2) Thanks
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Suprd71 replied the topic: Oscar struggling to breath and not eating

That's a big bioload, even in 150g. Saying parameters are "fine", nitrate is a "little high", is a bit vague. If your fish has been living in high nitrate long term, you may be seeing the effects. Symptoms do lean towards a bacterial infection, possibly in the gills, in which case a treatment of Tetracyclene may help. FYI though, water must be pristine for any med to be effective. Nitrate near or under 10ppm


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Razer126 replied the topic: Oscar struggling to breath and not eating

Thanks, Ammonia and Nitrite are zero but Nitrate is always around 20ppm occasionally will rise up to 30. I have started a precautionary course of anti-bacterial today (my LFS recommended Chloramine). Any advice on how to keep my nitrate lower while I do this? Unfortunately i have some of the highest levels in the country in my tap water, so frequent water changes don't lower it. I'll keep you updated on the treatment.
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Suprd71 replied the topic: Oscar struggling to breath and not eating

Nitrate from the tap is always a pain to deal with. There are de-nitrator filters, heavy plant population either in tank or in a sump, but no quick action to help right away. Chloramine is a good recommendation, wish you luck


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