The Facebook post has been shared thousands of times, invaded too many timelines and generally freaked out dog owners everywhere.
"Somebody asked me to pass this along..." begins the caption.
Well, at first blush, that "somebody" seems like a sadist. How many millions of dog lovers will see this picture and run to their dogs, prying open their mouths with all the wonder and horror of some Egyptian tomb?
Because this image seems about 1 percent health warning and 99 percent about scaring the bejesus out of us.
Well, hold up. There is that 1 percent.
After this article was published, Connie Tootle Loring of the Florida-based Hands & Paws for Pasco wrote to The Dodo. She says she has seen several similar cases.