75 Gallon Tank Emergency Giant Danio at the top of tank barely swimming.

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the228guy

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What is the water volume of the tank? 75 Gallons
How long has the tank been running? At least 2 years.
Does it have a filter? FX4 and 75 Gallon canister
Does it have a heater? Yes
What is the water temperature? 77 Degrees.
What is the entire stocking of this tank? (Please list all fish and inverts.) 2 1/2"Gold Severum, 2" Firemouth, 6 Giant Danios.

Maintenance
How often do you change the water? weekly
How much of the water do you change? 20 gallons.
What do you use to treat your water? Seachem Prime
Do you vacuum the substrate or just the water? Gravel vac.

*Parameters - Very Important
Did you cycle your tank before adding fish? It has been cycled for around 2 years
What do you use to test the water? YEs
What are your parameters? We need to know the exact numbers, not just “fine” or “safe”.

Ammonia: 0ppm
Nitrite: 0ppm
Nitrate: 10-80ppm
pH: 7

Feeding
How often do you feed your fish? twice daily
How much do you feed your fish? until they stop eating
What brand of food do you feed your fish? Wardley flakes, Fluval flakes, freeze dried blood worms, and tubifex worms, fluval cichlid pellets, tropical granules, hikari small pellets, frozen shrimp broken up, frozen brine shrimp.
Do you feed frozen or freeze-dried foods? yes above

Illness & Symptoms
How long have you had this fish? 6 days
How long ago did you first notice these symptoms? Yesterday
In a few words, can you explain the symptoms? One single giant danio is swimming at the top not eating, he also won't stay with the school. I dosed the tank with paraguard when I got them.
Have you started any treatment for the illness? Paraguard but I don't think it will help with him swimming at the top.
Was your fish physically ill or injured upon purchase? I inspected them all and they looked fine at the store. He was fine at my house for the first few days as well
How has its behavior and appearance changed, if at all? Used to school now it doesn't floats at the top kicking its tail every once in a while \

 
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Megaanemp

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What are your water parameters right now? If the Nitrates are over 40ppm it is immediately toxic to the fish. I also think you are over feeding. Which could cause health issues as well as high nitrates. My danios eat their entire food portion in about 7 seconds.
 
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the228guy

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I don't feed them all that at once. And its a single fish that is acting weird. I am testing my water now and will post a photo but I highly doubt its my water parameters. Most of my media is biological and I have pathos and lucky bamboo growing out my filter.
 
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Megaanemp

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the228guy said:
I don't feed them all that at once. And its a single fish that is acting weird. I am testing my water now and will post a photo but I highly doubt its my water parameters. Most of my media is biological and I have pathos and lucky bamboo growing out my filter.
Alright, maybe I misunderstood but I though you said you feed them until they stop eating? Definitely double check water parameters though Because you mentioned nitrates are between 10ppm-80ppm. Nitrates over 40ppm is dangerous
 
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the228guy

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If I fed them a certain amount the severum and firemouth would never get an opportunity to eat so I just drop a few of whatever I'm feeding at the time until I'm satisfied the cichlids have eaten enough.
 

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the228guy

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I just would like to know if I should move the fish the only problem is all of my other tanks are stocked and they're all above 78 degrees.
 
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Megaanemp

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the228guy said:
If I fed them a certain amount the severum and firemouth would never get an opportunity to eat so I just drop a few of whatever I'm feeding at the time until I'm satisfied the cichlids have eaten enough.
Oh I see:) Looks like your water is good. I don’t think I’d put danios into a warmer tank. How old are the danios approximately? Hopefully someone else will chime in too.
 
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Cody

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How does the fish physically look? Is it skinnier or have anything distinct that looks different compared to the others? The lack of eating and swimming near the top is a symptom of something else but we need to determine what.
 
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the228guy

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Cody said:
How does the fish physically look? Is it skinnier or have anything distinct that looks different compared to the others? The lack of eating and swimming near the top is a symptom of something else but we need to determine what.
They looked around the same when I left. I went on a 3 hour trip today and when I got home he was stuck to the fx4 intake so I removed him. After bolting away I thought he was good and walked away for a minute to grab my left overs and he was floating upside down. His stomach looks full and its collapsed in the middle. He hasn't eaten since I got him so his belly should definitely not be that full. Anyway I moved my Blue Acara to a 20 gallon with 8 large neons and turned the heater to 75 in the 10 gallon and im acclimating him as we speak hopefully he'll make it.
 
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