1. What is the size of your tank?
2. What are your water parameters? State the brand of test kit used.
Pet store took sample of water and said it was perfect. Nitrites, etc all look fine.
3. Is your aquarium set up freshwater or brackish water?
Was freshwater but added salt to help the sick fish.
4. How long the aquarium has been set up?
Have had the tank more than a year and fish has been fine. Lost an oscar before to this same disease and never could save him. About a month ago we moved the tank which required us to empty 95% of the water to be able to move it. The fish had already shown signs before the move.
5. What fish do you have? How many are in your tank? How big are they? How long have you had them?
2 Oscars, african cichlids, convicts, jack dempsey. For the most part the oscars don't fight with the cichlids. One cichlid sometimes picks on my sick oscar now because the oscar is weak.
6. Were the fish placed under quarantine period (minus the first batch from the point wherein the tank is ready to accommodate the inhabitants)?
The fish hasn't been removed or quarantined. I have no place for him other than a 10 gallon tank which would be rough on an oscar I would think.
7. What temperature is the tank water currently? 80. Raised it up to 86 for 10 days trying to kill any parasites.
8. Are there live plants in the aquarium? No
9. What filter are you using? State brand, maintenance routine and power capacity.
Eheim. I forget the model but it is rated for 250 gallons. I put all of the bio stuff in the canister. Also added the foam-type filter things to catch all the debris. No carbon in the last 6 months.
10. Any other equipment used (aside from heater and filter which are two very important components of the tank)?
Heater, 2 airstones to give it a lot of oxygen.
11. Does your aquarium receive natural sunlight at any given part of the day? What is your lighting schedule (assuming you do not rely on sunlight for our viewing pleasure)?
Some during the evening. Usually we turn the lights on from 8-12 at night.
12. When did you perform your last water change and how much water was changed? How often do you change your water? Do you vacuum the substrate?
Yesterday, 3-5 gallons. Been doing small changes every other day trying to keep it clean yet not over do it.
13. What foods do you provide your fish? What is the feeding schedule?
Flakes and now using the Hikari cchlid gold. Petstore told me that koi food would be fine. Later I find that that's more of a vegetarian diet and I possibly started this problem because they weren't getting the nutrients they needed.
14. What unusual signs have you observed in your fish?
Lethargic. Doesn't want to eat as much but still eats some. It's skin is basically rotting away. Look at the picture closely, many of the scales are just decaying. I had a black oscar that had this problem and watched the skin slowly open up into sores and it died after battling for months even though I had it isolated from other fish. I'm more trying to pinpoint what this is so I can research how to save him.
15. Have you treated your fish ahead of diagnosis? If so, what treatments did you use? State your reasons for planning ahead of proper diagnosis.
Already said some things above.
Just look at his skin. Has anyone seen this before? This is my 2nd oscar to have this happen. All other fish do fine in this tank and for some reason this happens to my oscars.
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