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Old 02-12-2010, 06:29 AM   #1 (permalink)
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Default shrimp keep dying!

I have had four shrimp die now. They all die in the same way. They seem to lose ability of their motor functions and start spazzing out, jerking all over the tank. Then they stop, usually on their backs and continue to kick their legs. Has this happened to anyone.
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Old 02-14-2010, 10:47 AM   #2 (permalink)
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Default Re: shrimp keep dying!

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Originally Posted by tighidden View Post
I have had four shrimp die now. They all die in the same way. They seem to lose ability of their motor functions and start spazzing out, jerking all over the tank. Then they stop, usually on their backs and continue to kick their legs. Has this happened to anyone.
How long were the shrimp in the tank before this happened? Are there any living shrimp still in the tank? If so, how long have the living ones been in there? Are there any snails or fish in the tank? If so, how long have they been there, and do they seem healthy?

I suspect something toxic (to shrimp) in the water--but that leaves a pretty wide field of possibilities! I asked about snails and fish as well, because some things will kill all of them, other things will kill only some.
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Old 02-14-2010, 11:02 AM   #3 (permalink)
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Default Re: shrimp keep dying!

What type(s) of shrimp?

What about your water parameters? pH, GH, KH, temp

I'm also thinking something toxic like copper poisoning.
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Old 02-15-2010, 08:45 AM   #4 (permalink)
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Default Re: shrimp keep dying!

Only some would die, while others seem fine. They are RCS and they are the only things in there. I originally had 4 that I bought from a pet store. They were in there for a week and a half and then one died. Then the other three seemed fine. Then I got 15 shrimp and put them in. Slowly they have been dying as well. The 15 shrimp have been in for maybe a little over a week. Are there any diseases that could be doing this?

The water parameters are:
Ammonia: 0
Nitrite: 0
Nitrate:5 now. However, I think it was 10 or higher before I did the water changes.
pH:7
KH:10
GH:4
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Old 02-15-2010, 11:47 AM   #5 (permalink)
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Default Re: shrimp keep dying!

There isnt anything unusual in your water parameters; except maybe KH a bit high but they like it slightly alkaline.
What about the water temp?

Any additives or additives with copper?

Last edited by Newt; 02-15-2010 at 03:56 PM.. Reason: typo
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Old 02-15-2010, 02:11 PM   #6 (permalink)
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Default Re: shrimp keep dying!

Temp between 70-75 and I was adding ferts to the water for plants but stopped doing that. I really do not understand, they just keep dying off one after the other. I don't see any problems with them except right around when they are going to die, they start jerking around swimming.
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Old 02-15-2010, 02:26 PM   #7 (permalink)
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Default Re: shrimp keep dying!

You might try 75 to 77 deg F.
I keep RCS and havent experienced this. High nitrates will bother them but I've had mine up around 40ppm w/o any issues and with babies.
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Old 02-15-2010, 05:08 PM   #8 (permalink)
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Default Re: shrimp keep dying!

Not sure what ferts you're using but I had a problem w/ a big die-off of RCS when dosing too much CSM+B (and/or Flourish Excel). Since then I have been dosing the entire Seachem line of ferts (N,P,K, Flourish, Excel) w/ no issue for ~1yr--but have been going light on the Excel.
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Old 02-15-2010, 06:26 PM   #9 (permalink)
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Default Re: shrimp keep dying!

i have the SAME problem. haven't figured out the reason yet, either. had a LONG thread going about a year ago and never figured it out. you aren't alone, but i don't have a solution for you, either. sorry

if i find anything, i'll let you know... and if you find the reason, please post the solution here for others (like myself).

good luck
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Old 02-16-2010, 11:07 AM   #10 (permalink)
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Default Re: shrimp keep dying!

Thanks. Yeah it is very frustrating considering this is the first I have ever tried to keep shrimp. The only thing I can think of is I have this white moldish like stuff growing on my driftwood. I've read and been told a number of times that it is harmless, but who knows. The only thing that I could think of to do was to add AC to my filter, its been in for a few days now so we'll see if that helps.
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