This is colossal crustacean from a satellite image– believed to be 50ft across – circulating on the website Weird Whitstable.
Since then, it has spawned believers, hoax-busters and just a crazy, curious following.
The world’s largest recorded crab is the Japanese spider crab, a species which can grow to around 12ft and weigh up to three stone.
Big Daddy is a huge Japanese Spider Crab
Is this Crabzilla? ‘Giant Crab’ Measures 50ft Spotted Off British Coast