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Will Shrimp Get Sucked Up By Filter?

svenrufus

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It's been suggested to me that it might be a good idea to get some shrimp in my (daughters) small tank as the stocking levels of fish might already be close to being as high as it can be (if not already there), and that shrimp could give more interest with minimal additional load on the tank. I'm open to the idea, although had never considered it before today.

On reading up a bit, on cherry shrimp, I see that they are quite likely to breed, and one comment I saw elsewhere suggested that the spawn(?) are so small that they would get sucked up by the filter. I can't imagine they'd like that.

What size of gap would they not be able to get through? The filter I have came with the tank, is purpose built to fit the space available, and creates a fair current. I'm reluctant to change it outright, but am happy to fiddle with it to make it more suitable, eg with a mesh over it or something. (In fact I have already put the end of a filter into a small upturned old aquarium plant pot with small gaps, to reduce flow rate for fish passing near the intake, or at least keep them more distant from the intake itself.)

Would raising the intake further above the floor of the tank help? Currently it is 2cm from the gravel.

Don't know how much of an issue this is, but don't really want to get something in the tank and then have to deal with carnage in the filter.
 
It's been suggested to me that it might be a good idea to get some shrimp in my (daughters) small tank as the stocking levels of fish might already be close to being as high as it can be (if not already there), and that shrimp could give more interest with minimal additional load on the tank. I'm open to the idea, although had never considered it before today.

On reading up a bit, on cherry shrimp, I see that they are quite likely to breed, and one comment I saw elsewhere suggested that the spawn(?) are so small that they would get sucked up by the filter. I can't imagine they'd like that.

What size of gap would they not be able to get through? The filter I have came with the tank, is purpose built to fit the space available, and creates a fair current. I'm reluctant to change it outright, but am happy to fiddle with it to make it more suitable, eg with a mesh over it or something. (In fact I have already put the end of a filter into a small upturned old aquarium plant pot with small gaps, to reduce flow rate for fish passing near the intake, or at least keep them more distant from the intake itself.)

Would raising the intake further above the floor of the tank help? Currently it is 2cm from the gravel.

Don't know how much of an issue this is, but don't really want to get something in the tank and then have to deal with carnage in the filter.

I would try putting a stocking around the filter to help stop them being sucked up
 
I would try putting a stocking around the filter to help stop them being sucked up
Really? Is the stocking neutral in terms of impacting water quality? I'm new to this, that may well be a tried and tested method, but it surprised me.
thanks for the tip
 
I would try putting a stocking around the filter to help stop them being sucked up
Really? Is the stocking neutral in terms of impacting water quality? I'm new to this, that may well be a tried and tested method, but it surprised me.
thanks for the tip

Thats what I do in my tank, it does slow down the current a little bit I've noticed, but it still works fine for me
 
From what i've tested, i've noticed that cutting a peice of sponge(same kind of sponge you use as filter media) and sliding it over the intake has less of an impact than a stocking did. Sounds like it should be the opposite though right? :p

I ran an external canister filter on my 20g long tank and even my adult cherries got sucked into it. I would have imagined it being stressful but every week or two when I would rinse out the media baskets, the shrimp were ALWAYS alive at the bottom of the canister and probably loving life with all the detritus and stuff in it. But, I would recommend avoiding this because I could have just been lucky.
 
I don't know if my cherry shrimp got sucked up the filter or if they went willingly, but the up shot was I found them all as happy as pigs in mud living on top of the filter medium. I am sure it was not an ideal home for them to be in but no sooner did I track them all down and put them back in the the tank, they just went straight back up the filter inlet :/ . A lot of people do put stockings over the inlet and others as stated have put filter sponges over the inlet both options seem to work well. I personally just don't have shrimp in the tank where they where getting into the filter any more and all of my other tanks have HOB filters and the shrimp have shown no desire to hang out in these.
 

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