A mystery sea beast that’s more than 23 feet long, weighs an estimated four tonnes and has no face will be probed by scientists in a bid to discover its true identity.

The colossal creature was found on Broad Haven South Beach in Pembrokeshire, Wales, last week and reported to the UK Cetacean Strandings Investigation Programme (CSIP).

But with the gloopy remains already decomposing, experts couldn’t make a firm identification and now a sample from the sea beast must be sent for testing.

Matthew Westfield, the CSIP stranding co-ordinator for Wales, said: “It’s very difficult to tell for certain what it is because it’s so badly decomposed.

“It died at sea and had been dead for a while before it washed up on the beach, so it would have come in with one of the high tides.”

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