With documented swimming speeds of up to 46 miles per hour, mako sharks represent the world’s fastest elasmobranch species.

Researchers at University of Auckland documented the real-life sharktopus during a December 2023 expedition in the Hauraki ...

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 ...