Gruesome images show the decaying body of a human-like creature with a fish tail lying on the sand in Great Yarmouth.
The images were captured on camera by Paul Jones, who captioned the picture: "Today at Great Yarmouth we found what looks like a dead Mermaid washed up on the beach", have been shared hundreds of times on Facebook, related Mirror.
Some conspiracy theorists were convinced the body was that of a real-life mermaid.
Others claimed it was more likely a dead seal with the East Coast having a large colony of grey seals, including one colony at Donna Nook, Lincs, but there are one more simple explanation too: mr Jones's Facebook profile shows him to be a keen modeller, particularly of creepy figures.
Mystery solved ?
Photos - Facebook Paul Jones