In one corner, swinging in ever so slowly, is the most relaxed guy himself: Sloth! And making a splash in the other corner is Shark, ready to sink her teeth into this competition! Get ready to rumble in this latest instalment of the funny face-off series!

These two amazing animals bring their best game to this closely matched competition. At first glance, they might seem too different to duke out anything, but wait-you're in for a surprise! Readers have a ringside seat to view as they battle it out in 22 kooky and quirky categories, like Coolest Hangout, Weirdest Relatives, Best Smile, Biggest Appetite, and so much more. It's up to you to follow the action and decide who's the ultimate winner! A final spread devoted solely to conservation helps further National Geographic's core mission to save the planet. One thing we know is certain: You'll be a shark and sloth expert by the end of this epic showdown!