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Help me troubleshoot shrimp deaths


Hanks Tanks
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Hoping I can save a few of my shrimp which started dying one by one a week ago, or at least learn from the experience to avoid it in the future. 
 

The tank’s been cycled and established about six months with about four months of success and lots of breeding from neocaridina shrimp. Heavily planted community tank with some white clouds and cardinal tetras. 
 

parameters:

ammonia 0

nitrite 0

nitrate 0

temp 74

pH 7.0

3dKH

8dGH


I don’t see an obvious parameter issue and I’ve been monitoring it quite closely since this is my first tank. the shrimp used to swim around the tank and pick at the sand. Now that’s stopped, they’ll often sit on a plant or substrate without moving and I’m losing one or so a day. 

No super obvious signs of parasites or the most common diseases that I’m able to see like vorticella, scutariella or fungus. Some have discoloration and some patchiness.

I’ve attached some pictures of the dying or lethargic shrimp. Is there anything obvious I’m missing?

thank you so much for any help and ideas.927AE774-A725-4FF3-AB18-BA8B3FC3B1F9.jpeg.39e5a224b286c99e14301d9661388cf7.jpegB5AC1225-9782-4632-8344-2974BF7781F4.jpeg.e3f4279f05d9c582798ab3ca86b9ff7a.jpeg

 

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On 4/4/2022 at 10:36 PM, TheSwissAquarist said:

Planaria

Dose with Expel-P

Thank you for your response. Wouldn’t I be able to see them? I’ve been watching like a hawk and haven’t seen the devils. 
 

just for my learning, what points you towards planaria from the above information?

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Possible muscle necrosis with the white patches developing on the back it often caused by function in pH lack of nutrients and low levels of desolved oxygen  treatment it's recommends removing any affected shrimp as it can be contagious and increasing water changes can help shrimp in the early stages 

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On 4/5/2022 at 9:18 AM, Colu said:

Possible muscle necrosis with the white patches developing on the back it often caused by function in pH lack of nutrients and low levels of desolved oxygen  treatment it's recommends removing any affected shrimp as it can be contagious and increasing water changes can help shrimp in the early stages 

This is a good idea-looking at pictures of necrosis, some of the deaths have had a similar whitish look to them. I’ll try to isolate and increase water changes to see if it can help the remaining ones. Really appreciate it. 

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Maybe check for crawlies on the glass and in the tank late at night?

I had the same thing happen to my neo shrimp and couldn't figure out what was happening.  My tank has been established for a year and half, neos were happy and breeding too!  Parameters were good.  All of a sudden they started dying off and I started losing fry (1 to 2 at a time) until they were all gone, along with the adults too.  

Long story short, I think asian leeches (barbronia weberi) were killing my shrimp.  I also didn't see any crawlies on the glass, but I was looking during the day or when my tank light was on.  It wasn't until I so happened to be checking something in my tank in the middle of the night that I saw 5 of these leeches (2-3cm) stuck to the glass!  One of them was attached to a snail!!  I've read various blogs that these leeches are of no danger to shrimp and snails, but I'm not so sure since I witnessed one of them sucking away on a small snail.

Leeches are distinct in that they move like an inchworm.  They have suckers on both ends and can curl up into a little ball when disturbed.  I'm not sure how to get rid of them, but I've been siphoning them out every night with a noted population decrease.

Won't get any new shrimp though until I know the leeches are gone.

 

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On 4/5/2022 at 4:49 PM, Colu said:

I would add an extra air stone what are you feeding them as it can be link to a nutritional deficiencies

I switched some things around and added an air stone to get some more oxygen and flow in the water. I’m hopeful that helps things. There were a lot more little guys than I thought so I’m glad I didn’t just let it alone. 
 

I don’t feed them specific shrimp food, maybe that’s contributing. At the moment my regular food for the whole tank is fluval bug bites with a variety of frozen food 1-2 times a week. 

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On 4/6/2022 at 10:02 AM, Adgepuff said:

Maybe check for crawlies on the glass and in the tank late at night?

I had the same thing happen to my neo shrimp and couldn't figure out what was happening.  My tank has been established for a year and half, neos were happy and breeding too!  Parameters were good.  All of a sudden they started dying off and I started losing fry (1 to 2 at a time) until they were all gone, along with the adults too.  

Long story short, I think asian leeches (barbronia weberi) were killing my shrimp.  I also didn't see any crawlies on the glass, but I was looking during the day or when my tank light was on.  It wasn't until I so happened to be checking something in my tank in the middle of the night that I saw 5 of these leeches (2-3cm) stuck to the glass!  One of them was attached to a snail!!  I've read various blogs that these leeches are of no danger to shrimp and snails, but I'm not so sure since I witnessed one of them sucking away on a small snail.

Leeches are distinct in that they move like an inchworm.  They have suckers on both ends and can curl up into a little ball when disturbed.  I'm not sure how to get rid of them, but I've been siphoning them out every night with a noted population decrease.

Won't get any new shrimp though until I know the leeches are gone.

 

Woof thanks for the nightmare fuel!! 😆 I’m sorry you’re dealing with that, it might be the sort of thing that would make me take a break from the hobby a while. 
 

at the risk of grossing myself out, what does something look like after it’s been leeched? Were things just disappearing?

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On 4/7/2022 at 9:15 AM, Hanks Tanks said:

Woof thanks for the nightmare fuel!! 😆 I’m sorry you’re dealing with that, it might be the sort of thing that would make me take a break from the hobby a while. 
 

at the risk of grossing myself out, what does something look like after it’s been leeched? Were things just disappearing?

Aw man, I'm so sorry!!!!  I didn't mean to totally gross you out and fuel disgusting nightmares!!! 😱  If it's any consolation, the leeches aren't that big (especially if they're young, they're the size of detritus worms), and they aren't like the ones you'd find in a lake or anything.  I found a narrow gravel cleaner off Amazon and use that to siphon them out when I find them so there's minimal handling.  Won't deny they're pretty gross tho!

So, my shrimp were mostly just disappearing one or two at a time until they were all gone.  On occasion I would find dead adult shrimp but I'd never find any dead fry.  

When my shrimp were at their peak, I fed them Glasgarten Shrimp Dinner and Betaglucan + Immunoglobin.  Just a pinch went a long ways but  found they were more active when I started these foods.  My snails appeared to be more active and grew a lot faster too! 

Are you using RO water or tap?  Our local water fluctuates like crazy and I started losing shrimp at the beginning because of this.  I needed to switch to RO water with Seachem Equilibrium... our tap water is insanely hard (sometimes over 400ppm, or 27 drops using Seachem's GH and KH tests) and found there was quite a bit of copper in it (sometimes as high as ~0.6mg/l).  Maybe test for copper if you're using tap water - stresses shrimp out if there's enough copper in your water and can slowly kill them too.

Good luck... hopefully it's not leeches!

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On 4/7/2022 at 1:56 PM, Hanks Tanks said:

don’t feed them specific shrimp food, maybe that’s contributing. At the moment my regular food for the whole tank is fluval bug bites with a variety of frozen food 1-2 times a week. 

I would start feeding them hikari shrimp cuisine 

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On 4/7/2022 at 7:32 AM, Adgepuff said:

Aw man, I'm so sorry!!!!  I didn't mean to totally gross you out and fuel disgusting nightmares!!! 😱  If it's any consolation, the leeches aren't that big (especially if they're young, they're the size of detritus worms), and they aren't like the ones you'd find in a lake or anything.  I found a narrow gravel cleaner off Amazon and use that to siphon them out when I find them so there's minimal handling.  Won't deny they're pretty gross tho!

So, my shrimp were mostly just disappearing one or two at a time until they were all gone.  On occasion I would find dead adult shrimp but I'd never find any dead fry.  

When my shrimp were at their peak, I fed them Glasgarten Shrimp Dinner and Betaglucan + Immunoglobin.  Just a pinch went a long ways but  found they were more active when I started these foods.  My snails appeared to be more active and grew a lot faster too! 

Are you using RO water or tap?  Our local water fluctuates like crazy and I started losing shrimp at the beginning because of this.  I needed to switch to RO water with Seachem Equilibrium... our tap water is insanely hard (sometimes over 400ppm, or 27 drops using Seachem's GH and KH tests) and found there was quite a bit of copper in it (sometimes as high as ~0.6mg/l).  Maybe test for copper if you're using tap water - stresses shrimp out if there's enough copper in your water and can slowly kill them too.

Good luck... hopefully it's not leeches!

I use tap water. Our local water is extremely soft so I usually have the opposite issue. It doesn’t fluctuate which is really nice because I can kind of learn what works from a stable base. I still have made a lot of mistakes though, the first time I saw how stressed out they got when I didn’t match the temperature on a water change made me feel real bad. I haven’t specifically tested for copper though. 
 

thanks for the food suggestions, I think it’s time to spoil them a little. The changes I’ve made seemed to have really helped. No losses in the last few days and everyone seems perkier!

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On 4/8/2022 at 10:41 AM, Hanks Tanks said:

I use tap water. Our local water is extremely soft so I usually have the opposite issue. It doesn’t fluctuate which is really nice because I can kind of learn what works from a stable base. I still have made a lot of mistakes though, the first time I saw how stressed out they got when I didn’t match the temperature on a water change made me feel real bad. I haven’t specifically tested for copper though. 
 

thanks for the food suggestions, I think it’s time to spoil them a little. The changes I’ve made seemed to have really helped. No losses in the last few days and everyone seems perkier!

Indeed!  The water temp on water change makes a big difference.  Sometimes all the little things add up!!  Good luck, hope your shrimp start doing better!!!

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