I started with 12 in my 5 gallon. I now have 10. I believe two died because I added a Betta Fish (m) to the tank for a day. I saw my betta harassing the shrimp so I moved him to a 2.5gal.
But the two shrimp died because of him stressing them out and trying to kill them. I think.
Anyway, I have an assassin snail and baby pond snails also in my 5 gallon. The snails are slowly dying out thanks to Sassy the Assassin Snail.
I have java moss growing and dwarf hairgrass growing well in the tank. Temperature is stable at 78F. Filter is running and lights (15w) are on 8hrs a day minimum.
I currently have an ornament/decoration in there as well and they seem to all hide in it or sit on it.
Nitrate - 40
Nitrite - 0
pH 6.8 (somewhere between 6.5 and 7)
KH - 80
gh - 60
ammonia - 0
I use ammonia LIQUID test and STRIP tests for the rest currently. Going to switch to liquid as soon as able.
They're hiding and not breeding. I see some eggs, some with saddles, and I have found a molt, so I think it'll come along within a month or so... But they are hiding quite often. I never see more than 3 out at a time unless I knock over the ornament and then they swim into the moss/grass area.
I don't feed them except once I week I'll break off an algae wafer, just a itty bit, and drop it in the tank. I remove the half-eaten remains at the end of the day.