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post #1 of 24 (permalink) Old 07-12-2012, 06:30 PM Thread Starter
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Shy Shrimp

I have a little 2.5 gallon Shrimp tank in my kitchen and I put 2 large pieces of Cholla in the tank to hide the filter intake and keep the outlet from moving the substrate around, I also thought it would a good place to hide and breed. However I rarely see my shrimp, I was feeding once a week and the most I've ever seen feed was 7 out of 13, now I might see three or four, until today when I placed a new Pyrex dish in the tank and nobody has come out to feed. I did see what has to be a new fry this morning, the shrimp have been in the tank for 5 weeks and this guy was a tiny Tangerine Tiger, I think.

Any way do you think they are getting shy hiding in the Cholla all the time??

new fry close up



tank, the food has been in the bowl for 2 hours with no takers, last feeding was Sunday.

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post #2 of 24 (permalink) Old 07-12-2012, 06:40 PM Thread Starter
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BTW I got 8 Tangerine Tigers & 8 Taiwan Pianted Fire Reds on 6-6-12, that's 5.1 weeks. I had 3 deaths the first week but after that they were all fine, I use RO water with a gH of 5 and kH 1 or 2 at most and the pH should be about neutral but the tank has AS so it may be 6.8 or so. I do a 10% (1 quart) water change weekly and rinse the filter sponge and prefilter intake sponge on alternate weeks along with a half teaspoon of carbon, and a new white filter pad every week, they are scraps from a large piece and I have plenty but they get dirty quickly.

intake pre filter

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post #3 of 24 (permalink) Old 07-12-2012, 06:44 PM
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silly question but you don't rinse the filter in tap water right?
that would ad a small amount of toxins to the tank. But tahts all I got sorry
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post #4 of 24 (permalink) Old 07-12-2012, 07:29 PM Thread Starter
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I do rinse stuff in tap water but we have well water with a whole house softener, so it's not perfect for keeping shrimp but it would do and we have no Chlorine or Chloramines to deal with, and like you said it's a minute amount.

But the shrimp aren't dead or dying they are just getting skittish, I noticed it last week when a TT was getting ready to eat so I put my elbows on the counter and squatted down to watch and he backed off and took cover, after he and a couple friends started chowing down they didn't mind me watching.

Today I remove the Pyrex dish and dumped all the food except one little piece I put back in the tank to see if they will come out.
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post #5 of 24 (permalink) Old 07-12-2012, 07:39 PM
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If you're sure they're not dying and are just being skittish, I wonder if they'd feel more comfortable coming out if there were more plants in the tank? Maybe a ground cover or some moss? Something that will make them feel less exposed?

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post #6 of 24 (permalink) Old 07-12-2012, 09:31 PM Thread Starter
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That would be almost the same if they were hiding in the carpet. An hour after I removed the Pyrex a single TT came out to eat and I've haven't seen the new fry since this morning.

That is another point, there is no way fry is hatching if the Adults are dying off, they are in the Cholla eating it and breeding, heck I would come out either I'd be like Kastanza on Seinfeld in bed with my girl and eating a sub.
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post #7 of 24 (permalink) Old 07-12-2012, 09:56 PM
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That would be almost the same if they were hiding in the carpet.
Not necessarily. You can still see them in the carpet. It's not as if the carpet would be so lush (don't we wish) that it will completely cover the entire area.

You could do something like crypt lucens or crypt parva. Either one would give the shrimp a feeling of safety so they'd come out, but neither would hide the shrimp to the point you couldn't see them. I have crypt lucens in my 5g RCS tank, and I can see my shrimp great.

If you don't like the idea, that's fine. Just wanted to clarify that I'm not talking about a lush carpet that totally hides the shrimp.

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post #8 of 24 (permalink) Old 07-12-2012, 10:01 PM
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We like exact params around here so we can get a feel for the tank. So can you please test GH, KH, pH and temp for us? Can you also test your ammonia, nitrite and nitrate please?

Is this a newly set-up tank? If so, how did you cycle it?

Have you actually accounted for everyone to be sure they're not dead? Pick up the cholla and take it out of the water, they should rain out if they're still alive but just hiding.

Since you're using RO, what are you using to remineralize it?

I'm a bit confused about your filter cleaning regimen. You clean the actual sponge filter one week and you clean the pre-filter the next? If so, you're killing your cycle. You're rinsing away half of your beneficial bacteria every week.

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post #9 of 24 (permalink) Old 07-12-2012, 11:28 PM
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You could do something like crypt lucens or crypt parva.
+1. I only have RCS and they are very comfortable hanging out underneath my crpyts. Too comfortable probably because there are fish in there and they like to swim around sometimes.
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post #10 of 24 (permalink) Old 07-12-2012, 11:55 PM
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Shrimp hide mostly when something is wrong
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post #11 of 24 (permalink) Old 07-13-2012, 03:13 AM Thread Starter
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The tank has been set up for 6 months or so, there is no nitrate, trites, or ammonia, I use a blend of Equilibrium and Barr's gH booster and Seachem alkalinity booster, I don't really clean the sponges but I squeeze them out lightly as the get dirty quickly and the Red Sea nano filter is not great when it comes to flow.

It's a small tank but there are only 13 shrimp plus what ever new shrimp from a brood, I think I need some more shrimp.


I think if anything is wrong it would be from low flow but my water parameters are good enough but I think the filter is the tanks weak point, maybe I should just pick up a 10 or 20 gallon so there is a larger volume of water.

I hate to pull out the cholla but maybe I will to see what comes out, I just don't want to squish the new fry.
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post #12 of 24 (permalink) Old 07-13-2012, 03:57 AM
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Can you add an airstone? Shrimp in smaller groups will hide more than larger groups, but that's a fairly small tank. What's the temperature, its hot right now and small tanks change temperature fast.
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post #13 of 24 (permalink) Old 07-13-2012, 04:09 AM
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Could it be chemicals used in the kitchen? I know stuff from nonstick pans will kill birds pretty quick. Cleaners, too.
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post #14 of 24 (permalink) Old 07-13-2012, 01:54 PM
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Can you test the GH, KH, pH and temp?

I really think you should take out the cholla to make sure they're really alive. Of course you can put it right back.

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post #15 of 24 (permalink) Old 07-13-2012, 03:29 PM Thread Starter
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The tank is room temp at 76 degrees, also it's covered so no cleaners, etc. and you really have to smoke a Teflon pan to kill a bird but that's a real strech for shrimp.

I did find a small problem today, no ammonia but the kH & gH are both 3, correct me if I'm wrong but I think I would like the gH at 5 and the kH at 1, what do the shrimp guru's say?
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