The worst pet!

I think it would be anaconda!... (see more)

they are too often aggressive, messy, and not too bright. they are also very expensive to keep, the law doesn't always permit keeping them in cages, and overpopulation is already out of control. one female can produce as many as 50 offspring in a lifetime (see more)

trust me they are not worth it. yes u casn train them to do cool things but with a huge down side. they are messy, dirty, can be violent, and when they are in "the mood" it is quite a big problem (see more)

Earthworm (see more)