Unacceptable losses

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I don't believe it is the sand depth. Mine is at least 1" deep all over some places deeper by the time the rays are done. I stir it once a week (all over) to make sure it gets turned over with no dead spots. I would lean towards internal parasites like the others stated, with the observations you have referred to. And that is at best a guess since fecal samples werent taken and looked at.
And then once again you may never know.


Sucks I know.

Sorry
 
gaz025;3247418; said:
did you see it eat anything ?

sometimes they eat and spit it out so are you sure it was eating ? if so what ?

if you were taking some sand out have you been doing large water changes to replace the water you took out ?

just my opinion . but i think its more likley somethign to do with the water . specially if you only had the ray two weeks.
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Yes, live black worms.

I pulled a bunch of the sand out during a water change.

The water is RO/DI water with Seachems RO reconstitution chemicals.

If you can think of any parameters I should be testing let me know.
 
If you kept a constant supply of blackworms in the tank even with parasites it would keep up.
If you were using r/o water there is a good chance your ph would have been fluctuating.
What is your normal water readings from your tap? ph,kh
 
well the hydrogen sulfide didnt help... you were obviously missing areas or you wouldnt have had it...
 
how big and how often are the water changes . with ro water even with chemicles i think there could be problems i had ro before and ended up using water stright from teh tap . i sold the ro unit and the gear to go with it .

cant actually remmber why but my rays didnt like ro water even in small quantities.

i have had problems with ph in the past by doing large changes and most likely with ro water.

i would point to that . for it to live so long and all of a sudden die of internal parasites just two weeks after you got it and introduced it to a completley new enviroment says to me its more likley the new enviroment than anythign its been carrying up to now .

sorry to put a downer on this but if you get a new ray anything positive that comes from this rays death is a good thing for the next one :) . finding out what was the cause rather than just blaming parisites will be better long term im sure . ( unless it is acutaly parasites and then probably nothing lost )
 
i have had problems with ph in the past by doing large changes and most likely with ro water.
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I had that problem too but only if I did not reconstitute the water. In most municipalities I'd use tap but Lowell water is horrid. I tried it on my discus and it really messed them up. I switched back to RO/DI water and everyone except the ray is happy. I'll see if I can get UMASS Lowell to run a necropsy and get a COD.
 
i wouldnt go on the other tank mates as many times ive had tank mates that are fine but the rays have not been happy .

the rays seem to allways be the ones to show signes of stress or problems first.

do you test the ph ? i think ph is a biger problem for rays than most other fish .

going on what people have said and my own findings. using ro water i would expect some flutcutation even with added minerals .

maybe do several tests next time before . then on the water to go in the tank . and then on the tank water after the change.

that could help . its not garunteed to reflect previous changes but it could prove usefull
 
ph is not a problem unless in a 1 day time it goes from 9 down to 5.... the stuff he is adding will buffer the ph and keep it stable... its not pure RO/DI water...
 
9 down to 5 !

omg thats huge !!!

i think of all water perams ph and amonia are something that are most importatnt to rays.

in two weeks . aditional feeding water changes etc . i think ph and amonia are the ones most likley to be changed more than others.

possibly not but i would be looking at them for sure

i do think ph change is a big problem for rays too i have seen problems that i can only put down to ph changes in my rays when they were smaller . regular water changes woudl keep it pretty constant but with ro water i dont know so much and large water changes i woudl be concerned also .

still . live and learn . :)
 
I would clean that sand bed better or get rid of it.But from the sounds of it the ray just wasnt healthy ,it was newly imported and it probably was going to die no matter what you did for it.Probably never ate until you got it.By then it was just too late for it to be able to survive.

As far as RO/DI {This will will make people scream} i have never used ro right or anything to reconstitute the water,allways straight RO.{And have never had a problem}and i have kept all South American fish that way.
I do more frequent water changes ,and keep it at no more than a 1/3 of the tank when i do bigger ones.
WHen i first started using RO/DI about 15yrs ago ,every one said RO Right had to be used.So i looked up actual trace elements in the Amazon ,Most studdies showed the Amazon is very depleted of the elements that are in RO Right and many others.
 
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