Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. These five research-backed insights show why the octopus ...

We named him Squirt—not because he was the smallest of the 16 cuttlefish in the pool, but because anyone with the audacity to scoop him into a separate tank to study him was likely to get soaked.

Today, octopuses? octopi? Whatever they are called, they are widely considered one of the smartest animals in the world. They have been seen navigating mazes, opening containers, escaping enclosures, ...

Octopuses often look like creatures from another world. With soft, boneless bodies, eight flexible arms, and even a doughnut-shaped brain, these ocean dwellers are some of the most fascinating animals ...