small tanks

So I have this 1.5 gallon cubic tank that I was going to put some plants in. I've heard people say that size is okay for shrimp but I just want to make sure. I'm planning on picking up two, maybe more blue velvet shrimp for the tank. I have a few questions: is it cruel to put shrimp in a tank of...

Hi, Sorry if this this subject has been discussed before, but I can't seem to find the thread if it has. Basically, I want to know how one goes about adding fish that like to be in schools to a smaller aquarium (10-20g) that can't handle such a sudden jump in bioload. For example, it seems to...