Help!!!, stingray infection

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thank you guys for all the help, the ray that was in the picture died this morning she was in my tank for about a year with no problems, RAYKEPR you were right about the salt, some of it fall on the disc of another ray and it appears to burn the skin on it. kind of a big white spot. i feed my rays with frozen bloodworms and shrimp i´ll try on something alive. thanks anyway. another one is infected , think she´s going to die also. do you think is contagious?? because my two males aren´t infected and i have them in the same tank
 
Is the Disc seperating???
 
yes, another one died today just a few minutes ago, the disc is white on the edges . don´t really know what to do, i have another two and im affraid that they´re going to get sick also. the ones that died were females, both males don´t seem to be infected
 
sorry to hear that. it will tear you up for a while. I have only lost one ray, and it was due to the salt. i feel for you. i never recommend it. please pass it on, in the future.

again sorry for your loss, don't give up, though, they are wonderus creatures.
try the live food if they are not eating anything else.

have you done any water changes?
what kind of filter?
what size tank

again if you are not doing it, try extreme water changes 30 to 50 percent everyother day, a python works okay, i use a 1 and half inch tube purchased at a hardware store, yeah i suck on the end, and it pulls the water out faster. then i use mr. python to fill it up. cuts waterchanges almost in half.
 
I am confused. I have been lucky enough not to have any health problems with my rays. I have lost several (more than I want to admit) to dumb mistakes but, never to an infection.

While I have never used salt with my rays I do not understand how it could be bad for them. Salt (composed of various minerals) is present in our tap/well water. It is necessary for osmoregulation and gill function.

Changing any water parameter too much or too fast is bad and it can cause problems.

I would like to hear more about this. Is there a theory on how the salt created a burn? What biological/chemical reaction took place?

I would like to know more.

Thanks and I am bery sorry about your rays.

Colin
 
i do my water changes every week, like i´ve read in thousands of articles, my water parameters are ok, ph around 8 (tap water of my city) but my rays haver been ok with this , i´ve had them for almost a year and no problem, ammonia level 0, nitrites 0 and nitrates equal, i have a wet dry home made filter for almost 8 months working fine, like rvrrays say i´ve lost a lot of rays because of dumb mistakes, but never seen this i´ve read a lot of articles but none say anything about a thing like this, i think that is an infection because first strike on one of my females then the other one started to present the same symptoms my theory is , recently (two weeks ago) i bought a male p. motoro, looked fine when i see it in the lfs, he died within a week, think he had the infection and pass it to my rays. I think salt is ok, but you have to dilute it first. i´ll try to post a pic tonight of the burn in my ray so you can see it and tell me your opinions
 
nop, maybe the best thing to do is that, let the water "age" for a few days before put it on the tank (160gal) , look at this pictures about the burning on the skin (probably salt) and give me your opinion, sorry for the size of the pics, again thanks for all the help, my 2 rays left are eating and swimming normally any change will be posted

burn1.JPG

burn2.JPG
 
I'm sorry for your loss. They are really neat creatures and I hate to lose any kind of fish at that. Now I don't know much about rays honestly but couldn't a bacterial infection be the likely culprit of the changes you saw in the skin/coloration? Did you try to treat with any anti-biotics? Do you have a Q-tank you can isolate and treat in should one of the males come down with it? Did you test the ammonia and nitrites at the time of death and/or afterward. I say this because do to my own recent experience if you add salt and raise the salinity to quickly you can cause a massive die-off of bene. bacteria and get ammonia and nitrite spikes that could have ultimately led the the rays death. I am not certain but suspect that is what just happened to an ill brackish fish I just obtained that was being kept in freshwater. In my excitement to optimize water quality for it I didn't think about the bacteria having to adjust/re-colonize or what not. I failed to check ammonia and nitrites until it was too late (nitrites were off the charts!). There are so many levels to fish keeping it can be so frustrating to not think of something and lose a fish because of it. Anyway, just my input to try and help. I wish you luck.
 
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