The world’s most unusual mouth belongs to the leatherback turtle.

Leatherback sea turtles are the largest turtles on the planetWorld’s largest turtles. Image Credit: Margus Vilbas Photography/shutterstock.com

Of all marine turtle species, the leatherback is the most unique. Being the only surviving member of the Dermochelyidae family, leatherback turtles have the highest migratory distribution of any reptile globally. They can weigh up to 2,000 pounds and reach heights of over six feet.

Leatherback sea turtles have the most unusual mouth.Leatherback sea turtle mouth. Image source: kienthuc.net.vn

Leatherback sea turtles consume up to 1,6000 calories of jellyfish a day.Leather Back turtle eat jellyfish.