"Carcinus (Greek: \u039A\u03B1\u03C1\u03BA\u03AF\u03BD\u03BF\u03C2 Karkinos) is a genus of crabs, which includes Carcinus maenas, an important invasive species, and C. aestuarii, a species endemic to the Mediterranean Sea."@en . . . . . . . . . .