Welcome to the Planet! Something's wrong most likely with your water or the husbandry. What test kit are you using? Hopefully a liquid, testtube kind. With such a small bioload (three small fish in a 55 gal) there should be no ammonia or nitrite, unless your filter is way too small, or you don't ...

pleconut wrote:That may help. I am keeping my fingers crossed the red tail catfish recovers.

I hope so & me too
Thanks so much for your help

So certainly not too big for the tank now, as mentioned get as much oxygen into the system by creating as much surface disturbance as possible. Are any of the fish displaying any other symptoms at all? No, both the shovelnose and royal seem just fine. The redtail just went belly up and then I moved ...

Hi i dont want to come over as rude here. As i do want to genuinely help. But red tail catfish shovelnose and royal plecos do grow extremely big, individually I'd say each on their own would substantially outgrow a 55gal for the long term. How big are each of your fish right now. I do acknowledge ...

Never do a water test after a a water change unless your looking to get rid of something :P If I had to guess it sounds like low oxygen levels but its strange its only affecting one fish thus far... Make sure there is plenty of circulation focusing on a agitating the top layer of water and maybe ...

I'm new to this website and I'm not sure if I'm asking in the right place so, please, bear with me guys. I'm a bit desperate. Anyway, we have a 55g that we set up in mid april and let cycle for a month and a half. We then proceeded to adding our Redtail and 2 shovelnose catfish. After about 3 weeks ...