Recommendation on Shrimp dwelling in closed terrarium.

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  1. So, shrimp without dissolved oxygen tend to die. They need less than fish but sealed systems do not have agitation or a air stone tend to have inadequate gas exchange. This can be overcome with live plants but, as others have mentioned, these set ups don’t have enough in my estimation.
    Another issue – Neos need food sources other than algae. While they eat specific types of algae, they need other sources of food to keep them healthy. The only type that can survive solely on algae is Amanos. For experience, a single Amano needs at least a five gallon tank for this to be feasible….so you will need to feed regularly.
    Lastly, for these set ups which look like a 1 gallon and a 3 maybe, your looking at like maybe 8 total shrimp in stocking.
    Edit: wide heat range so as long as the room is heated you should be fine. Just know that they temperature variation, and pH, in set ups that small can be extreme…this will also lead to quick shrimp death. So the level isn’t the problem, it is keeping the temperature consistent that is the obstacle.

  2. Much better off with snails imo, you just can’t really close shrimp off in a jar you will have to help sustain them.

  3. Don’t lock/close that. Oxygen is needed.
    Shrimp jump also. Mesh top like window screen might benefit here

  4. Just to be clear, these are technically “aquariums” not “terrariums”. A terrarium (terra) refers to land and an aquarium (aqua) refers to water.

  5. I’ve got a few shrimp in a walstad setup similar to yours. def need to leave the lid off or use mesh lid. mine’s been up for almost a year with carpet, small driftwood and floating plants. haven’t had any issues thus far.

  6. I’ve been keeping opae ula (brackish, not freshwater) in closed tanks with macro algae and snails for about 10 years .. mostly in 1 gallon jars like the ones you have pictured, but I have a few half gallon jugs as well as 2 gallon anchor hocking jar (had a lid but not a gasket). They’re really great, entertaining critters, but they do need more space and resources than the little sealed globes you can buy online (which are not sufficient) I typically don’t have to feed them and don’t do water changes, but on occasion I’ve swapped them into different containers if it felt like their habitat wasn’t working as well as it could be. They can go pretty much indefinitely without supplemental food as long as things are balanced but if I notice the algae dying back or the snail population suddenly growing I will adjust the placement to give them more or less light. Sometimes I will give them a tiny bit of spirulina if it looks like the environment needs a little boost. Over the years I’ve also swapped in fresh algae when an existing clump was dying back a bit . My colonies have grown slowly, but if you really want to have them breed in great numbers you do have to be really attentive to parameters and adjust as necessary. There are lots of good resources online on how to care for these guys but in my experience once you get a stable tank they really do take care of themselves. One thing to keep in mind is that there aren’t many variations on types of plants or snails that you can keep in an opae ula tank– any creative ideas you have will probably be limited to your choice of lava rock placement…

    I’m just setting up nano planted tanks for dwarf freshwater shrimp for the first time now and it feels like there is a lot more to keep an eye on to ensure their health and happiness — I suspect a closed system probably wouldn’t be a fit for any of these

  7. Am I the only one asking myself how anyone could possibly think and/or recommend shrimps for these two really small jars? Even if kept open, they could never provide a decent life because of the size.

  8. The smaller the tank, the less stable it is. Especially without a filter, it would be really easy for your tank to get out of balance, and shrimp need stability. A single shrimp/snail death could spike ammonia levels massively, killing everyone else. Not impossible, but rather difficult.

    You should also check out the Walstad method, if you haven’t already. It’s a kind of tank that is typically very low-tech (no heater, no filter etc.) and it seems exactly like what you’re looking for. You’d need a LOT more plant growth though. I’d suggest checking out r/walstad and reading her book.

    I think I agree with others about the need for oxygenation. Although more plants does = more oxygen, at the moment you don’t have enough plants to produce oxygen to sustain a shrimp colony. You could probably test the oxygenation of the jars by placing a snail in there, if they only hang out at the top I’d assume that the water at the bottom doesn’t have enough oxygen.

    I’d also evaluate your jars’ denitrifying capabilities before adding shrimp. Add ammonia (like a piece of fish food), and test the next few days to see if the plants can handle the ammonia, nitrites, & nitrates. Because if they can’t, the shrimp are toast.

    Best of luck 👍

  9. You’ll need an open lid and an air stone

  10. Add water for sure!

  11. You’re abusing animals and won’t listen to others who are patiently explaining to you

  12. you’ll need more plants and floaters for nitirate and the shrimp will do good, i’m not sure how they get food though

  13. It’s YOUR responsibility to make sure they live happy and healthy. If you don’t know how to make that happen, don’t own the animal.

  14. No shrimp like The_McS said, but scuds will work.

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