quantities

I have been given a 15 litres tank and have planted it densely with low growing plants . I am wondering is this suitable for red cherry shrimps and am wondering how many to keep in there . Care tips are also welcome

Hi guys, Completely new to the hobby so please forgive me for my naivety. Bought a Biorb Tube 35 litre over the weekend. Having read the reviews I can see they aren't the best tank but wanted to start small. I've set up the tank, added a heater and now letting it cycle. With regard to...