I was quite the tarantula enthusiast at one time, and also sent and received a lot of spiders in the mail. I once had an Aphonopelma species - a desert dwellin

I was quite the tarantula enthusiast at one time, and also sent and received a lot of spiders in the mail. I once had an Aphonopelma species - a desert dwelling tarantula - arrive completely frozen solid when the shipper said it would have heat packs (and was only a 1 day trip from AZ). I'll skip the boring part of the story, but it thawed, and lived.