The Haition Tree Snail Shell

These shells are very common an come in a variety of different colours. Just look at the picture, they have multiple colours in stripes that surround the shell. They are also worn by many different hermit crabs. The shell opening is circular enough for Coenobita clypeatus yet close enough to a "D" shape that a Coenobita compressus is even willing to wear them. They are also long enough that they can support a Coenobita violascens long abdomen. One issue about this shell is that they only come in small sizes and sometimes the shell insides have abnormalities that discourage crabs from using them.

Ratings:
Coenobita Brevimanus 1/5 This shell gets a 1 rating for this species. This shell can support this hermit crab but it is seldom chosen by this species because this species is typically larger, the abdomen of this species is thicker and wouldn't fit in the shell too comfortably, and this is a light weight shell and this species tends to prefer heavier shells.
Coenobita clypeatus 3.5 This shell gets a 3.5 rating for this species. This shell is worn by this species quite frequently when this species is smaller, myself I have had several take this type of shell. Not to mention it is readily recognized as a favourite of this species.
Coenobita compressus 1/5 This shell has a pretty good opening shape for this species but doesn't get chosen often. A friend of mine had this species make it's home out of one of these shells, it wasn't much of a shock to me but he was surprised since he hadn't heard of them taking this shell (not many people have).
Coenobita perlatus 1/5 This species doesn't show much interest in this shell at all. I am sure this species will give this shell a chance if it is in need off a shell and there are no others shells that it would prefer around the crabitat.
Coenobita purpureus 1/5 I don't have much information on this shell with this species but if given few other choices I am sure this species will give this shell a chance.
Coenobita rugosus 2.5/5 This species chooses this shell on occasion, I had one take this type of shell and wear it till he was way to big, here is a picture of him:
Coenobita variabilis 1/5 Again I don't have much information on this shell with this species but if given few other choices I am sure this species will give this shell a chance.
Coenobita violascens 1/5 This shell is definitely long enough for one of these species but since this species seldom changes shells it is not changed into often. I have however reshelled one of these species in this type of shell after he was running around naked but after a couple of days he switched into a different shell.

Please leave your comments. Also if you have any situations where a Coenobita purpurues, or variabilis wore this shell please comment about how long it stayed in the shell and other information.