Sea Turtle Facts

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.

Turtle Canyon vs Hanauma Bay for snorkeling with turtles on Oahu: reliability, crowds, cost, and reservations compared honestly. Here is which one to pick.

Turtle snorkeling on Oahu with kids: ages, safety, what is included, and tips for families. Calm water, all gear, and free Waikiki hotel pickup make it easy.

Green sea turtle vs hawksbill: how to tell Hawaii's two sea turtles apart by shell, beak, size, and diet. A simple side by side ID guide for snorkelers.

Do sea turtles see in color? Yes. Honu have color vision tuned to blue, green, and yellow, and can even see ultraviolet light humans cannot. Here is how a turtle sees the reef.

Sea turtle camouflage is a clever trick called countershading. A honu's dark back and light belly help it vanish from predators above and below. Here is how it works.