Blanket octopus pairs are some of the undersea world’s oddest couples. What’s so startling is the size difference: Males are about the size of a walnut—less than an inch long—but some ...

A marine biologist managed to capture a blanket octopus on video earlier this year. Jacinta Shackleton was snorkeling near Lady Elliot Island off the coast of Australia when she spotted it.

Recent research has focused on various aspects of octopus digestion, including the transition from endogenous to exogenous feeding, the effects of different diets, and the role of digestive enzymes.