A man in Iowa found something very unusual stuck in a vending machine.

Soso Mesa said he took a photo after several people tried to use a second-floor vending machine located at the Frances Building in Downtown Sioux City.

Mesa, who works for Pepsi, sent the photo to KTIV.

On Thursday, several people who wanted to get some snacks from the machine found something else snapping at them instead.

Mesa said people originally believed there was a mouse in the machine.

Maintenance for the Frances Building called Pepsi about what was happening, so Mesa was sent out to check the machine. When he got there, he found out it was a crab snapping at people.

By the time Mesa got to the machine Friday morning, the crab was dead. Mesa said he took the crab’s body out of the machine and disposed of it.

Strangely enough, another crab was found in the Sioux City Public Library earlier this week. The library and Frances Building are right next to each other downtown and are connected by a skywalk.