Reverse disc curl? HELP!

On saturday picked 3 pearl/motoro from one person and picked up 2 motoro from the airport the same day, a blue motoro and a Royal. The pearl/motoro's where in a cooler themselves when I picked up the motoro's at the airport. I realized the Royal had high ammonia in the bag so I immediately put the motoro in the cooler with the 3 pearl/motoro to prevent anymore damage to the stingray as I still had 1 1/2hr drive home. I used no water from the bag and put the stingray straight in the cooler. The motoro I moved into the cooler had it's disc burnt from the ammonia and I treated the tank with 1lb of salt per 100gallons and turned up the heat to 86. I haven't really seen any of the rays eat but that might be expected from stress from shipping. I tried worms but I am not sure if they ate them. All the rays seem to be doing fine except for one.

Well this is day 5 and the Blue Motoro is curling it's disc downward. I had the light on checking them for a few minutes and this same ray actually flipped right around and was laying on it's back. I can actually put my hand in and turn him back around without him moving. It's breathing doesn't look normal but his disc isn't turning upward it's turning downward. It is also darker in color then the other rays. I have done 2 water changes in the last 5 days and tested the water and everything is zero and the ph is 7.5. Should anything else be done besides water changes and food? The pearl/motoros are healthy and the Royal is still on his last legs from the ammonia burn.

It died so the emergency is over.

This is what it looked like. I talked with someone that breeds rays and he said they are very skinny and hasn't looked like they have ate anything in a while. This might have been the problem. Too weak and died!

CrAzYNeSs;3614945; said:

what.... a .... shame.... I don't understand why those ppl dont take care of them prior to shipping... pisses me off.

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I don't know why people do this either. Should never piss off the customer.
I haven't showed the pic of the other ray with the ammonia burn from shipping. I have only had the rays since saturday so if the don't come with something to rectify the problem, I might get a bit angry as it cost me $500.00. For the hell of it here is the supposed Royal with the ammonia burn. I doubt he will make it as he is skinny also and not eating. They sent pics of the rays that I was supposed to get and they aren't even the same ones I received as you could tell the base of the tail was real skinny in the ones I received.