See footage of a rare, swift octopus attack on an unsuspecting crab—one so aggressive it surprised even marine biologists. | National Geographic

Just a month after mating, a female octopus can lay as many as 100,000 eggs. | National Geographic

1M views · 7.7K reactions | This octopus hitched one of the coolest rides around—a mako shark. While this might not necessarily be the case here, animals do sometimes latch onto other organisms for travel purposes. It's a phenomenon called phoresy: https://on.natgeo.com/3RyQ5lo Video: University of Auckland | National Geographic | Facebook