@Annyiqbal 5 April 2021 more from that month

An octopus entertains the crew of EVNautilus for more than five minutes by stretching its tentacles to form a huge balloon. Spotted at a depth of 1,600 m (5,250 ft), this octopus from the Cirroteuthidae family is about 1.3 m (4.2 ft) in length.