Oscar Not eating

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Grey created the topic: Oscar Not eating

Hey, I bought 2 oscars 1 week ago. Out of two , one is active and eating the pellets that I gave him but the other is not eating anything and always spends more time on surface and he is very shy. Please help me..and the water is clean I do 100 percent water changes almost every week.
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Suprd71 replied the topic: Oscar Not eating

There could be several problems, or none actually. You say the water is clean. More important is the tank cycled? That being zero ammonia, nitrite but small levels of nitrate. How big is this tank? Is the shy fish being bullied by the other? The shy fish could be genetically weaker, could have a parasite or internal infection of sorts. How big are the fish? A week no feed for a baby fish is getting to the dangerous point. It does take fish time to settle in and get comfortable. Very high percentage of the time fish that are "off" normal behavior are reacting negatively to water problems. Any other fish in the tank? If you could answer these questions, provide as much info as possible, we stand a better chance of pinpointing something wrong


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DRACO replied the topic: Oscar Not eating

Suprd71 got you covered....
please response tohis pointers and we will help you.

welcome to the community!
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DRACO replied the topic: Oscar Not eating

Suprd71 got you covered....
please response tohis pointers and we will help you.

welcome to the community!
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Grey replied the topic: Oscar Not eating

I have a filter but I don't know if it's cycling . Tank size is 66cm*33cm*33cm, my tiger oscar which is active, sometimes opens his Mouth and pushes the shy red lutino oscar which as a result runs away but it's not always but rarely,I don't think they hate each other they are always together swimming around. Both might be 8cm in length . No other fishes in the tank. I'm getting a new tank 3x of the current size In a few months. The shy fish is not spending the time on the surface which I mentioned earlier now he is swimming around and got like 30 % more active but still not eating ... thank you
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Grey replied the topic: Oscar Not eating

There seems to be black spots on the ends of the fins of my red lutino oscar...like the ends of the fins is turning black but not completely
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DRACO replied the topic: Oscar Not eating

probably a new membrane... sometime is just a sign of growing
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Suprd71 replied the topic: Oscar Not eating

A couple of major problems here Grey. You are likely uncycled and fish are being exposed to toxins. You tank measurements equal about 18US gallons. We will call it a 20. This tank is 3x too small to be raising a single Oscar, never mind two of them. Your plan to upgrade to 3x bigger in a few months is vastly inadequate. No Oscar should be in a 20g tank for more than a few short weeks, and I speak of baby fish, 5cm or less. A pair of Oscars at say 8 months to a year old should be hovering around a foot long and will need a minimum tank of 6 feet long and 125US gallons. That's a minimum. A single Oscar at needs a tank of 4ft long and 75 gallons. A decently raised Oscar at 2-3yrs old will outgrow any 4 ft tank. Tankspace is one of the 3 keys to keeping healthy cichlids. Oscars grow fast, produce lots of waste, foul their tank water quickly. They need big space, even as babies. If you are serious about keeping Oscars you need some huge upgrades in tank and equipment. Not in a few months, this week. Your fish are suffering by the day as is


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Grey replied the topic: Oscar Not eating

Yea I see the waste they are producing, I remove the floating and submerged excretes manually every day and I do 30% water change every day and 100 percent every week , the water seems clean. Good news is the shy one finally ate some pellets that's for the first time. And the active one is a little bully these days. I have a big concrete tank outside my house that I use to grow fishes like zebra,goldfish,and texedo.. should I remove them a put the oscars in that? The concrete tank is very big let's assume it's more than a 100 gallon.and thank you for replying, you can see my shy oscars in my profile picture :)
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Suprd71 replied the topic: Oscar Not eating

Any way you can manage to give the Oscars proper room, do it. If the outdoor unit can have an Oscar friendly temperature of around 80 degrees, if it is sufficiently filtered and cycled, then use it for Oscars. Oscars and goldfish don't mix, I am not sure what the other 2 species are. Oscars alone in a hundred-ish gallon, cycled, well filtered tank of sorts would be a massive improvement over current conditions


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