The Zebra Hermit Crab, Calcinus laevimanus, also known as the Left Handed Hermit Crab, features black and white banded legs. They are peaceful, reef safe, and are proficient tank cleaners and algae-eaters. Additionally, they can help maintain clean sand and water quality as aerators. Like cleaning crew species, the Zebra Hermit will only be a beneficial member of your tank.