I think at your level it's considered overcrowding as it's difficult to maintain the water parameters constantly using a 1ft tank.
I kept 20pcs in 1ft tank previously and most died.
Have you measured the water parameters?




I think at your level it's considered overcrowding as it's difficult to maintain the water parameters constantly using a 1ft tank.
I kept 20pcs in 1ft tank previously and most died.
Have you measured the water parameters?



my shrimps are all fine so far, only lost 3 during a time i edited the tank and made a huge mistake. -.-
forget to put the outflow of the chiller above the water lvl den no oxygen in water den all the shrimps keep hugging the surface.
temp wise it is 25C +1 at most and ph is in the 6 region.
If you want them to breed well, then 40 is way too many.



if just for survival? i currently have about 80 of CRS/BDS in my 1ft tank. and none died. i dont have a chiller, temp is 25-26.5. i have never measured GH/KH/pH.
will putting selected shrimps in smaller breeding tanks (stick on higher water levels) help breeding?

will overcrowding also affect breeding?thought it would be better ..
Try to get a bigger tank,at least 2 ft for breeding.Reason water parameter is more stable.
Impatience Is My Second Name
Yes, overcrowding does affect breeding.
Even if they get berried, they are likely to loose their eggs.
It is a natural birth control.
The shrimps are able to sense this and they avoid getting berried when they feel overcrowded or water parameter issue.
Unless you can keep the water parameter at optimal level all the time, then it is a different story.
Depends on the breed I suppose, my wild type shrimp easily numbers 200+ in my 1.5ft tank, on occasion it doubles! CRS are rumoured to be quite iffy though.
Give a man a fish and you feed him for a day, teach a man to fish and he will drink beer while getting sunburnt.

was thinking is my tank overcrowded also? mine is a 2 ft tank wif about 70 shrims inside.. Have berried shrimps but the survival rate of the shrimplets is only about 10 to 20 percent?Can anyone advise could it be due to overcrowding issues also?

could be that also..cause i am only using a ehiem 2224 wif about 60 litres of water...
A standard 2 feet is 2 x 1 x 1.5. which consist of more than 80 litres of water when filled.
if possible, you can add a non-working and non-leaking external canister in line after the existing external canister to " over filtration " the tank. this way will gives you more media area and additional water for your tank.
CRS - CRazy about Shrimps
- Alan Phang -
You can't explain it simply, you don't understand it (well enough )..." - Albert Einstein



oh no... i just got myself a 60x30x36 which is only 56litres.. can also?![]()
No problem just add a canister or two or even diy your way to get more water for your tank
CRS - CRazy about Shrimps
- Alan Phang -
You can't explain it simply, you don't understand it (well enough )..." - Albert Einstein
it is all about getting the right control and balance. my 1ft tank was having like over 100 crs when i was clearing it, was surprised at that count, didnt expect them to grow so much.
If crs breeds well in a matured tank, the rate goes exponentially.
CRS - CRazy about Shrimps
- Alan Phang -
You can't explain it simply, you don't understand it (well enough )..." - Albert Einstein



i like exponential growth!!!![]()





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