So, we mourned and examined the dead body, which was highly interesting to my students. Don't worry, though, we examined it through a plastic bag and didn't actually touch it.
An appropriate amount of time has passed, so today we set up some voting booths and got to vote for a new pet. The question was:
Please circle the pet you would like our class to have. Circle only one.
The grand total -- (click on the image to see it larger)
I guess the Hermit Crab didn't make as much of an impression as I thought it did...