The Porcelain Crab is an exquisite reef safe crab and is a very peaceful animal. They have a round flat body with two large claws and a pair of maxillipeds which are used to catch plankton in the water column. The Porcelain Crab really does well in groups and is mostly grazers. They graze over the rock and therefore it is advisable to keep some live rocks in your aquarium. The Porcelain Crab mainly feeds on algae and enjoys grazing and hiding on rocks. They are light blue in color and are covered with small red spots with orange tipped legs that make it a very unique addition to any reef tank. The Porcelain Crab safely conceals itself by rocks and filters the water for planktonic food. Not only this, it also scavenges for large meaty portions.The Porcelain Crab can be fed with shrimp or meaty food, as well as foods designed for filter feeders. It is basically a suspension feeder that collects plankton by waving its thoracic appendages, equipped with brushes through the water. The Porcelain Crab belongs to the Porcellanidae family, and is very similar to true crabs but they are closer to hermit crab. Also, they have much longer antennae than true crabs. The Porcelain Crab has very large and prominent pincers. They have three pair of walking legs with third pair of maxillipeds modified into large feathery brushes that are used for filter feeding.