Advertisement So a "floppy fly" I thought I spotted while doing a project in our basement turned out to be a baby jumping spider. The little thing is 1/4" long, and I believe she was super dehydrated when I caught her. Her abdomen has grown twice as big after I misted her. She is currently residing in the vial our B. Albo came was shipped in along with some coconut fiber in the bottom and a fake ivy vine. She's quite entertaining for such a tiny thing. It blows my mind that such a small animal can be so intelligent!