A California man reclining on a couch was in for a slithery surprise. It was a Vietnamese blue beauty rat snake seven feet long.

A video posted to YouTube by 9News shows the lizard curled up and hiding beneath the couch cushion. Alex Tejo, snake expert and proprietor of So-Cal Rattlesnake Removal, is shown holding the reptile on its tail in another video uploaded on Facebook. “OK, I’m at a loss for what to do right now.” “So, someone phoned me to remove the snake,” Tejo says in the video. Meanwhile, the snake approaches him, and he instinctively retracts but does not let go of the reptile.

“One in a lifetime snake rescue!” reads the caption of the clip. It is still a mystery how the snake ended up on the couch. “We are still unsure about that, “So-Cal Rattlesnake Removal Facebook user replied to a query on how the snake ended up in the house.