Over the past few months I have researched peacock mantis shrimp and I decided to get one. So I began researching tanks and I came across a Biocube 32 which would be perfect for one as long as he doesn't decide to punch the glass. Today, as I was adding the dry rock and sand and I noticed that there won't be a lot of floor space for him to move around but I am not sure because I don't have any experience. If anyone has any advice it would be greatly appreciated before a put an animal in a home where it won't be happy, especially because it could result in hundreds of dollars of water damage. Here is a picture: