Happy California State Marine Reptile Day, honoring the Leatherback sea turtle (Dermochelys coriacea) — the largest turtle on Earth and California’s official State Marine Reptile, thanks in part to our advocacy! More on this in a post to come. These ancient ocean voyagers have roamed our planet’s seas for over 100 million years, growing up to 7 feet long and weighing nearly 2,000 pounds. Unlike any other sea turtle, leatherbacks have a soft, flexible shell and can dive over 4,000 feet deep in se