An elderly couple were shocked to find a python wrapped around the toilet seat in their house.
The snake, nicknamed Lulu, is now being cared for at the Scottish SPCA's Glasgow Animal and Rehoming Centre in Cardonald.
The Paisley couple found the young royal python in the bathroom of their flat in the town's Storie Street on Saturday evening.
They called the Scottish SPCA for help and the charity are wanting to reunite Lulu, who is well fed and in good condition, with her owner.
Chief Inspector Fiona Henderson said: "We understand Lulu managed to make her way into the bathroom by squeezing through a gap in the wall next to the toilet pipe.
"The lady who found her got quite a fright, but did the right thing by containing the snake in the room and calling us for help.
"Pythons are generally known for their placid nature and relatively small size, so although they can look a bit scary, they aren't dangerous.
"We're keen to reunite Lulu with her owner, who probably lives close by. She's in good body condition and well fed so we're sure someone is missing her."
Anyone who recognises Lulu is being asked to call the Scottish SPCA Animal Helpline on 03000 999 999.