Watch: Colossal squid filmed alive for first time since its discovery a century ago

Colossal squid are thought to grow up to seven metres and weigh as much as 500kg, making them the world’s heaviest invertebrate

The juvenile colossal squid, Mesonychoteuthis hamiltoni, in its natural habitat in the Atlantic Ocean (Schmidt Ocean Institute/PA)

A colossal squid has been filmed alive in the wild for the first time, 100 years after the species was discovered.

The rare footage was captured on March 9 by Schmidt Ocean Institute’s remotely operated vehicle SuBastian, at a depth of 600 metres off the South Sandwich Islands in the Atlantic Ocean.