Swollen abdomen

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aewzct created the topic: Swollen abdomen

I keep two 6year old Oscars in a 125g established tank. They eat hikari gold pellets, no feeders ever. The female has started swelling in her abdomen area starting about 2 Weeks ago but is otherwise acting normal. Fasted her, fed peas, multiple water changes. No luck. The swelling has increased slightly. Today she seems to have trouble staying vertical when resting (she tilts slightly to the side) but can easily correct herself and has no trouble swimming down or up. Help? What can I do?! I'm worried.
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DRACO replied the topic: Swollen abdomen

sad to see your fish in that situation. is that the female?
most of the time, female who failed to lay eggs in time
suffer bulging or bloated belly. i just hope it is not sbd.

one of my friend had same situation but develop full sbd.
he tried piercing the belly to removed air but the problem
recur a year later...
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Suprd71 replied the topic: Swollen abdomen

Its quite likely that the fish has a tumor. I have had exactly the same thing happen with a big Oscar. Unfortunately there is no cure or treatment. When the fish quits eating, or wont get off bottom then euthanasia is the right thing to do. As a last ditch option, if the fish is eating, try soaking a meal in an epsom salt solution. Some distilled water, a pinch of es in a big spoon or ladle. Good for the other Oscar as well. If the fish eats it, try that every day for a week


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aewzct replied the topic: Swollen abdomen

Aww.I'm heartbroken at the news. It seemed to come on suddenly. She has laid eggs, I was worried about that. What would I do if it were an egg situation? She is eating. I'll try the es soaked foods. She has been eating peas with nothing passing. Doesn't seem in pain. Also, nitrates keep spiking in my tank and I'm doing like almost daily water changes to control that. What's that about?
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Suprd71 replied the topic: Swollen abdomen

I certainly didn't mean to guarantee your Oscar is terminal. It may well be a blockage. The Esalt soaked food should help if it is that. Could possibly be egg binding, salt may help that as well. Excessive nitrate comes from big bioload. How much volume are you changing? Does your tap water have any nitrate? Water changes are the nitrate controller, providing tap water is nitrate free. If nitrate was at 40ppm(bad) and you did a 75% w/c, the result would be a level of 10ppm(good).


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aewzct replied the topic: Swollen abdomen

Hmm. We've been changing and after each change it's down to a healthy level (under 20) and then within a day we spoke up to 40 or even 60. We've been doing at least 50% changes at least every other day since we noticed this, and each time it's back into a safe range after the change, but then spikes like this?? The tank has been gravel vacuumed, no food or poo laying in it. We use API tap water conditioner. No other changes? Im stumped. Giving the Epsom salt though and hoping for the best
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Suprd71 replied the topic: Swollen abdomen

I can only think of two possibilities. Test kit is giving false readings. What kind is it btw? Your tap water is likely not an issue as you get a decent reading right after water change. Could your filter(s) need a cleaning? Dirty filters, canisters in particular can become nitrate bombs when past due for cleaning. Even 2 Oscars in 125g cannot produce a nitrate creep of 20ppm per day. Virtually impossible. 5ppm per day is quite possible, but then it would take 4-5 days past water change to get to the levels you report. I suggest you try larger volume changes. Take water right down to the fish's back. Something like 80%. Check filtration for cleanliness. What specifically is the filtration on the tank?


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S.S. replied the topic: Swollen abdomen

No news on the situation?
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aewzct replied the topic: Swollen abdomen

No improvement, but still behaving normally. She ate the Epsom salt soaked food. If anything she seems larger, but I don't see much poop on her side of the tank?

Her poor belly soon seemed stretched to the max. It might be my imagination, but it seems to get larger each time she's fed, but stayed a consistent size when fasted. Anything else I can try?
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S.S. replied the topic: Swollen abdomen

If it's blockage peas should have done the job. My first Oscar had it and his belly was really big but after a few peas on the next day it expelled a huge poo. It looked like a small piece of wood. The belly immediately decreased in size and after that it happened no more.

Hope it's not a tumor.
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