Porcelain Anemone CrabHow to Care for Porcelain Anemone Crab written by Dave Burr The Porcelain Crab usually lives together in pairs in an anemone which provides protection. It uses its large claws to fend off predators. Although they will compete with clowns for anemones, clownfish usually win the competition. Growth: Maintaining proper Ca, Alk, & Mg levels is important for growth of their shells. Care Level: Easy Reef Compatible: Yes Diet: Carnivore, filter feeder Range: