Porcelain Anemone crab (Neopetrolisthes maculatus) is one of the saltwater crabs common in Indo-Pacific region. They are well known for their remarkable spot patterns and for being symbiotically associated with sea anemones. So, if you are looking to add some variety to your marine tank, or maybe you just want a change of pace in your community tank, these anemone crabs will be a great choice.

Porcellanidae, commonly known as porcelain crabs, is a family of decapods belonging to the infraorder Anomura. Therefore, Porcelain Anemone crabs are not true crabs. They superficially resemble true crabs and have flattened bodies adapted to living in crevices and under rocks. However, they are more related to hermit crabs than crabs.

In addition, unlike the true crabs, the abdomens of Neopetrolisthes maculatus still retain a tail fan similar to that of lobsters or shrimp.