This story appears in the October 2018 issue of National Geographic magazine ... In fact they aren’t any one thing. Many of the creatures lumped together as jellyfish are no more closely ...

The footage is unprecedented because the mysterious creatures are so difficult to capture ... of the colossal squid at home in the deep sea,” says Kat Bolstad, a squid expert at the Auckland ...

Interestingly, a new National Geographic documentary series titled Secrets of the Octopus delves into the enchanting world of these marine creatures ... to the deep sea and everywhere in between ...