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Discussion Starter · #1 ·
I am a bit confused, I had 17 shrimp I put into my tank. I have seen one (possibly two) that were dead.. I think I saw the same dead one twice. I have a single assassin and it should be ok with pond snails and MTS which are happy planted in the tank.

I do have two good hidden areas that are hard to see into.

But my problem is that ever time I count my shrimp I can only find about 7-8 of them. Where is the 7-10 missing shrimp? Do they hide in the hidden areas? I find it odd that at every shrimp count I get 7-8 not 12-14 which would make more sense. But I see no disembodied shrimp heads or tails.

Any idea - would shrimp eat shrimp that died 100%? or would a single assassin eat 100% of a shrimp? if I had death I would expect to see some "tails and snouts" in the corners of the tank..
 

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Shrimp are very good at hiding. In my 20 gallon I have a Wisteria plant in the back corner that we nicknames the "Shrimp Tree" as there was always a minimum of 6 shrimp in it. If there are hiding spots you will likely never see them all at one time. It's just their nature.

As far as I know assassins don't eat shrimp. Maybe they would go after one if starving. Odds are if you aren't seeing bodies they aren't dead, just hiding.
 

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I had 13 shrimp in a 5 gallon and I could see only 3 sometimes. They are old hat at hiding, especially from fish. If you have a HOB maybe check inside of it as well, I had some ignore it but others were insistent on going in through the outflow.
 

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Discussion Starter · #7 ·
no significant ferts (minimal dose once a month - my plants are all showing quality slow growth, no added Co2 out of minimal excell dose, I dont do water changes so have water column co2 from decay)

thanks for the feedback, sounds like I just need to look harder or add more shrimp!! I will check the filter my outflow is in a area that they could climb into it I guess.
 
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