The video posted on a recent social network shows that there appears to be a giant sea monster, an extremely long body swimming in the water.
The giant squid that appears in Cantabria, Spain has the scientific name of Architeuthis Dux - one of the mysterious giant squid species.
The skeleton revealed on the beach of the Russian island belongs to the ancient sea monster hunted by humans to the point of extinction.
A fossil discovered in Ningxia, China, has created a debate over the past century: is the ancestor of humans and other four-legged animals a prehistoric sea monster?
The organism was identified after scientists dug up a 25cm long skull including large teeth and many sharp little teeth inside.