Kristeen Cherney via Sciencing:

‘Scientists have only explored a fraction of Earth’s ocean, mainly because some areas, like submarine canyons or steep-sided deep valleys, are logistically challenging to explore. Despite that, they continue to study what they can to learn more about sea inhabitants. That research has led to the discovery of the strangest deep sea creatures ever, such as the goblin shark and giant tubeworms. While conducting the first comprehensive environmental DNA (eDNA) analysis of Western Australia‘s Cape Range Canyon and Cloates Canyon, scientists detected that they’re home to one of the most elusive and mysterious creatures: the giant squid (Architeuthis dux)….’