Please help! "Death curl"

Hi guys
Today I picked up an 8 inch Henlei and is disk is starting to curl inwards! Please help, I don't want him to die

Thanks in advance


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Ok, thanks
I'll test it right away
Will this probably end up killing him or should it go away after a day or 2?

Oh, man, I havnt tried to feed him yet, I was planning on waiting until tomorrow just so he gets used to the tank first
I saw him at the lfs about a month ago and I asked them to hold him for me for a month just to make sure he was ok and as you know, he is still alive
The tank he was in at the lfs was extremely dirty though, it was litterally hard to see through so that might be an issue. But, his disc wasnt curling at the store
ammonia, and nitrite are at 0 and nitrate is at 5 ppm and ph is 6.8
Should i try to feed him now?

UnstoppableJayD said:

You can try, but I doubt he will eat if stressed... what else is in the tank? Can you get a better pic? Is the whole disk curling? No lights is also a good idea

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He is with a giant gourami and a reticulated stingray. Its only the back that is curling, the rest of his disk looks fine. I'll turn the lights off

KNH said:

His tail is super thin and unless it's the pic, he looks like a hybrid not a hen. I can't believe people sell rays in such bad shape. Clean water and a dark tank is probably the best you can do. I'd try to offer earthworms.

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Yah, his tail is pretty thin but the picture makes it look skinnier than it is. I'll try to get a better picture with my camera, phone pics never come out good
I am pretty disapointed with how this store keeps their fish, the tanks are always very dirty. I thought I might be able to turn it around.