Found in my guest shower that's rarely used. My folks are in town and my dad asked what the heck this was

Luckily; I recall reading about these things, so out the gloves on, put it in a bag, then in Tupperware, and in the freezer. It will go to the trash in 48 hours

I use pesticide outdoors often but have a lot of slugs in my beds, which this thing eats

Hammerhead worm?

Yep hammerhead worm. Put them in a bag with salt. Disgusting little ****ers.

Nasty things invaded our south CS neighborhood one year. Sidewalks covered in them. Haven't seen one since.

Yep. Looking at the picture I got shiver bumps and wanted to throw up.