Rudd serves as the narrator for National Geographic's upcoming docuseries "Secrets of the Octopus" Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since 2013. Her work has ...

Deep under the sea, a real-life master of disguise lies in wait — take a look at the Mimic Octopus (Thaumoctopus mimicus), nature's ultimate chameleon. It can change shape to resemble many sea ...

Different animal species have evolved a number of ways to hide in their environments. One of the most popular tactics is by camouflage, often by matching the background or by having patterns that ...

In a world of predators, this octopus chose deception over defense. The mimic octopus can transform into more than 15 different marine species, from venomous lionfish to deadly sea snakes. This master ...

Paul Rudd (left) and a shot of a mimic octopus featured in National Geographic's Secrets of the Octopus (right) Actor Paul Rudd knows what it takes to transform into another person for a role, and ...