when they don't move - The Planted Tank Forum
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post #1 of 18 (permalink) Old 04-20-2018, 01:49 AM Thread Starter
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I'm on my first batch of shrimp and they've been doing their thing for a month or so and seem great.
My shrimp seem to always be moving and/or feeding (mouth-parts moving).
When I don't see any movement I get worried.
I've never observed a molt, maybe they stop moving before molting?
Or maybe berried females occasionally stop moving, as it's just the females I see doing this.
What should I be thinking?

Aw y'all know this right?
All I'm asking is do y'all's shrimp sometimes just not move and not feed?
For a little while?
Found this elsewhere, so maybe the answer is molting:
"They shouldn't be sitting in one spot it a sign that something is wrong. Even with a tank full of CPDS and dario dario my RCS are always on the move grazing. the only time the hide is when they are molting."


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Last edited by Darkblade48; 04-20-2018 at 04:41 PM. Reason: Please use the edit function for back to back posts to keep threads cleaner
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post #2 of 18 (permalink) Old 04-20-2018, 03:58 PM
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I do notice that mine are less active when a water change is needed. Afterwards they are all swimming around quite a bit.
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post #3 of 18 (permalink) Old 04-20-2018, 04:04 PM
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For a little while, yes. Mine like to post up in certain spots and just chill out for a bit. They're usually off foraging the next time I notice, though. How long are they just sitting there? Hours at a time?

I seldom do water changes on shrimp tanks. The crazy running around after a water change is usually stress related due to the change in water parameters.
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post #4 of 18 (permalink) Old 04-20-2018, 04:42 PM
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I would say if ALL your shrimp aren't moving or feeding at the same time, that's unusual and could be a problem. If it's just a few here and there though, totally normal as madcrafted said for them to occasionally post up and chill out.
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post #5 of 18 (permalink) Old 04-21-2018, 04:04 AM Thread Starter
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very helpful than you!
It's not all of them for sure.
And not for long, maybe an hour or two.
It's always females.
Remember, I've just started and I have about five males and five females with three of them holding eggs.
So, I won't worry.
Yeah Mad, you hear about critters swimming about vigorously after a water-change and I always think it's probably a tossup as to whether that's vigor or stress.
Thanks again, I very much appreciate your thoughts.


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post #6 of 18 (permalink) Old 04-21-2018, 04:08 AM
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Don't worry. New shrimps do this. Mine did this as well. Stay stationery and nothing moves. They will be fine soon.
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post #7 of 18 (permalink) Old 04-21-2018, 01:48 PM
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Yep, sounds perfectly normal. 3 out of 5 females berried? That's great! Be sure to offer them plenty of protein.
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post #8 of 18 (permalink) Old 04-21-2018, 03:18 PM Thread Starter
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Thanks that's good to hear.
Uh, oh, maybe I don't know the definition of berried, but from the right angle I can see yellowish spheres.
Maybe all females go from saddle to spheres, but only some get those eggs fertilized?
Or maybe I'm counting the same female more than once. I'll check and try to get a pic.

Ok so I'm clear about what is berried, but I'll be dogged if I know for sure about mine.
With magnifying glass in hand...
One looks like green eggs, but what's brown looking and why so few?
And another looks yellow, but I thought she had more yesterday.
And another looks white or is that just her legs.
And another looks like it has a saddle, but I thought that one looked different yesterday.
And the 5th, oh wait is that the one I already looked at or that is that..., durn it come out from underneath that leaf!
Oh my god is the temperature over 80F! Quick, replace some water and bring that temperature down.
Durn heater is either too hot or to cold, I'm going to order that controller today.
So, that's how I felt today.
I'm keeping shrimp alive and so that feels really good.
And I've got a feeling that I'll get some reproduction eventually, sigh, he, he.


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post #9 of 18 (permalink) Old 04-23-2018, 05:07 AM
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Why not just take the heater out? Not required.
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post #10 of 18 (permalink) Old 04-23-2018, 05:53 AM Thread Starter
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I guess I had it in my mind I was shooting for 72-75F and I was getting a bit cold, like 68-70F.
Not a problem?


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post #11 of 18 (permalink) Old 04-23-2018, 01:28 PM
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No, not a problem. Cold would be mid 60's and below, which shrimp can handle colder temps better than warm.
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post #12 of 18 (permalink) Old 04-24-2018, 02:59 AM Thread Starter
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Well good grief. Somehow I got in my mind 75F was ideal.
Thank you!
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post #13 of 18 (permalink) Old 04-24-2018, 05:21 AM
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I see noticeable less molts in tanks with snails, if you got any in your tank.

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Originally Posted by dmastin View Post
Ok so I'm clear about what is berried, but I'll be dogged if I know for sure about mine.
With magnifying glass in hand...
One looks like green eggs, but what's brown looking and why so few?
And another looks yellow, but I thought she had more yesterday.
And another looks white or is that just her legs.
And another looks like it has a saddle, but I thought that one looked different yesterday.
And the 5th, oh wait is that the one I already looked at or that is that..., durn it come out from underneath that
Not to cause alarm, but with green eggs, I would make sure it's egg and not ellobiopsidae. Colors of eggs vary quite a lot in my shrimps anyways.
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post #14 of 18 (permalink) Old 04-24-2018, 06:15 AM Thread Starter
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Interesting, yeah that makes sense about snail maybe using up minerals?
That had not occurred to me. I feel like I need a few at this point to help out cleaning and to monitor water quality (i.e. I know how snails typically behave).
Thanks, that's info to keep in mind.
Also thanks for the advice about the green eggs.
Looking at the pictures of what can go wrong with shrimp is like looking in a book of STDs, for me anyway. Gives me the heebee jeebies.
But the green doesn't look like the pictures at this point, but I'll keep an eye out.
I just need one successful batch and I won't feel like my population is teetering on extinction due to low population.
I received 20 or so and a month later I have ten with no deaths for two or three weeks.
Most of the deaths I attribute to taking the 10 and splitting them between two tanks and one of the tanks crashed.
I moved the shrimp quickly, but it may have been too late.
In any case the 10 I have seem robust, but having 20 or 30 would seem much safer.
Thanks again!


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post #15 of 18 (permalink) Old 04-28-2018, 02:49 AM Thread Starter
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Ok, finally got a good picture.
It does look like I have three with eggs. I have six males and four females, I think.
And I think three of the four are berried. First time shrimp tank. First time I've ever had shrimp more than 48 hours.
Question, are first time females as successful as those that have had eggs before?
I'm just worried these "new" females may not know what to do, like are they tumbling enough.
I have a closeup showing eggs of one of them if anyone wants to see.
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