Sea Turtle Facts

Can a sea turtle's cracked shell heal? Yes, because the shell is living bone. Here is how cracks happen, how rehab experts repair a shell, and how long recovery takes.

How did sea turtles survive the dinosaur extinction? Their watery homes, slow metabolisms, and ability to go dormant carried them through the asteroid that ended the dinosaurs.

What to expect on your first Oahu turtle snorkeling tour, hour by hour: hotel pickup, the cruise, snorkeling with honu at Turtle Canyon, a snack, and hula on the way back.

How many sea turtles are left? There is no exact count, but 2026 data shows a mixed picture: green turtles recovering while hawksbills and Kemp's ridleys stay critically endangered.

How old is that sea turtle? You cannot count rings on the shell. Scientists read growth rings in the bones instead. Here is how a honu's age is really measured.

Archelon was the largest sea turtle that ever lived, a Cretaceous giant up to 15 feet long. Here is how big it was, what it ate, and how it compares to today's turtles.