Maybe some kind of flatworm? https://en.m.wikipedia.org/wiki/Platydemus_manokwari
What is this thing?
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Yup i think so, Microplana terrestris (given by someone else here) seems to match!
Almost definitely a leech. They do live in western Europe, although I've only met them in very watery areas (Friesland)
I was almost sure too but i poured hot water on it to kill it (and kill any from my pipes), and the belly part is white (see pic) and i cant find any leech type with white "belly".
Not an entomologist, but I'm thinking terrestrial flatworm - with the white belly perhaps microplana terrestris?
Yup, i think you are right! Still dont know how he managed to get there, but at least im a little bit less worried to take my shower now...
I had a lot of snails these days in my garden and these flatworm prey on them, so that makes sense.
Leeches have distinctive mouths, so there's one way to find out. Well, two ways, I guess. You can put it on your leg and see if it starts sucking your blood. I'd advise just checking its mouth parts.
Reminds me of that X-Files episode with the worm guy
Not a leech, leeches have transversal rings and this guy looks very smooth.