A strange video of a 'zombie snail' has gone viral on social media leaving many people feeling grossed out.
Every now and then a post crops up on Twitter that makes you question everything you know about the world around you.
Last week it was two photos of bizarre bathrooms that sent people on the website into total meltdown.
But this week it's something much stranger.
A video of a creature being called a 'zombie snail' has gone viral on the social network, reminding everyone what a weird world we live in.