Every day I run across the hot lava to explore the tide pools by my treehouse….and today I found this massive crab exoskeleton! It was just a shell, left behind after the crab molted and outgrew it. I gently crushed it and returned it to the lava rock, where it can naturally break down and release calcium and nutrients back into the ecosystem Fun fact: crabs molt up to 20 or more times in their lifetime. They shed their old shell so they can grow, then hide while their new one hardens! Like natu