I did, briefly, in my 20gal community. About 5 ghost shrimp. They didn't last long in my tanks, alas. :( Two died within days. And then later on, the others just mysteriously disappeared. I never did find any bodies.
It's 65 here right know :) but it's 11 pm already. Temperature awhile ago did not reach 80 :)). I love you mother nature. After all those 90s and 100s weeks ago, you reward us with a week of cold weather. Hope it never turns hot again for now. :)