Anarithma dorcas is a species of sea snail, a marine gastropod mollusk in the family Mitromorphidae.
The length of the shell varies between 15 mm and 28 mm.
This marine species occurs off the Philippines and Japan.
Mitromorpha dorcas is a type of sea snail that does not release its eggs and sperm into the water like many other marine animals. It is a non-broadcast spawner. Its life cycle also doesn't include the trochophore stage, which is the free-swimming early stage common among the marine creatures.