Carcinus (Greek: Καρκίνος Karkinos) is a genus of crabs, which includes Carcinus maenas, an important invasive species, and C. aestuarii, a species endemic to the Mediterranean Sea.

In Greek mythology Carcinus was a giant crab which came to the aid of the Hydra in its battle with Heracles at Lerna. The hero crushed it beneath his foot but as a reward for its service the goddess Hera placed it amongst the stars as the constellation Cancer.

Carcinus maenas is a common littoral crab. It is known by different names around the world. In the British Isles, it is generally referred to as the shore crab, or green shore crab. In North America and South Africa, it bears the name European green crab.

Carcinus was a monstrous crab of unknown parentage who appeared during the second Labour of Heracles, the killing of the Lernaean Hydra. Hera was watching the fight between Hydra and Heracles, hoping that the monster she had nurtured would kill her foe.

Cancer also known as Carcinus (Ancient Greek: Καρκίνος, romanized: Karkínos, lit. 'crab') or, simply the Crab, is a giant crab in Greek mythology that inhabited the lagoon of Lerna. [1]

Carcinus maenas, commonly known as the green crab, has been listed as one of the ‘100 worst invasive species’. It is native to European coasts from Iceland and Norway to Mauritania, West Africa.

Conservation of Nature, Carcinus spp. are the most widely distributed intertidal crabs in the world. Their voracious predato-ry activity makes them strong interactors in local communities, and they are recognized as a model for invasiveness in marine systems as well as a …

Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people.

The meaning of CARCINUS is a genus of swimming crabs (family Portunidae) including only the common edible green crab (C. maenas).

Carcinus maenas, the European green crab, is a truly global invader, being present on almost every continent worldwide but only native to one (Europe).