A 17-year-old U.K. schoolgirl received a terrifying surprise when she peeled open her banana this month.

"I took a banana into school and was going to have it in the morning but I spotted something," Hannah John told the Mirror. "There was a hole in it and inside there were around 80 tiny spiders."

"I did let out a scream," she added. "It was horrible and I hate spiders."

NOPE — Teen Bites Into Banana And Finds It's Filled With Spiders http://t.co/QkLpZVYuoMpic.twitter.com/lglbFFBLn0

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Classmate Georgia Davies also got a look at the fruit.

"It was horrible — we had no idea what type of spider they were but they looked horrible," Davies told the Mirror. "It looked like it was just a bit of tissue paper but when you looked closer you could see lots of legs inside the hole. It was disgusting."

Common house spider. (Image source: Shutterstock)

John's biology teacher examined the insects and assured the 17-year-old that they were dead, the Mirror reported — but the teacher still took some precautions.

"My teacher told me to put it in the bin — but not the bin in her classroom," John said.

The schoolgirl said she was given the piece of fruit by her father who purchased it at the local supermarket.

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Featured image courtesy of Shutterstock.