On April the 25th 1977 trawling for mackerel off the New Zealand coast the Zuito Maru snagged the rotting carcass of a huge sea creature. Concerned it would ruin the rest of their catch, the Captain ordered the mysterious creature to be dumped over the side – but not before crewman Yano Michihiko took this snapshot of it as well as sample of the animals’ flesh. Was this the remains of a plesiosaur as some scientists claimed? A creature that was supposed to have died out 65 million years ago? And if it wasn’t a monster from the past what was it?