This octopus got more than it bargained for when hunting a mantis shrimp. The mantis shrimp has the fastest strike of any animal on earth - each punch has the force of a .22 calibre bullet, making the mantis shrimp an unsuspecting threat. See predators in all shapes and sizes this April. Tune in to Deadliest Month Ever from Monday April 1st at 8pm, only on National Geographic WILD UK. | National Geographic UK

A little self-care goes a long way! The beautiful-yet-deadly peacock mantis shrimp has incredibly complex eyes, able to see in both infrared and ultraviolet spectra. With 16 color-detecting receptors compared to the three that humans have, it can see many more colors than we can. This mantis shrimp at Shedd was seen cleaning those incredible peepers! | Shedd Aquarium

Armed with the most sophisticated vision and fastest strike of any predator on Earth, the mantis shrimp is an unsuspecting threat. | National Geographic