Lernaean Hydra
Nine-Headed Marsh Monster
The Lernaean Hydra (ancient Greek 'Lernaia Hydra', Latin 'Hydra Lernaea') is the most iconic many-headed monster of Greek mythology, the second of Heracles's twelve labours imposed by King Eurystheus of Mycenae. Her birth is fixed by Hesiod (late eighth century BCE) in the 'Theogony' (c. 730 BCE), lines 313-318, as the daughter of the serpent Echidna and the storm-giant Typhon, sister of Cerberus, the Chimaera and the Nemean lion, and was reared by Hera to test Heracles. She is canonically nine-headed, the central head immortal (Pseudo-Apollodorus, 'Bibliotheke' II.5.2, second century BCE), and her decisive power is regenerative: every severed head sprouts two new ones. Heracles defeats her only with the help of his nephew and charioteer Iolaus, who cauterises each cut stump with a flaming torch; the final immortal head Heracles severs and buries beneath a great rock. The Hydra's venomous blood is then collected on Heracles's arrows and goes on to kill the centaur Nessus, the giant Antaeus and, finally, Heracles himself. Her lair is the Lerna marsh of Argolis on the eastern Peloponnese, identified with the archaeological site near modern Myloi village, ten kilometres south of Argos, where the University of Cincinnati expedition (1950-58, John L. Caskey) excavated a Neolithic settlement of the third millennium BCE.
Origin
The direct textual source is Hesiod's 'Theogony' (c. 730 BCE), lines 313-318, which makes the Hydra the offspring of Echidna and Typhon and a tool of Hera's enmity against Heracles. The labour-canon is fixed visually in Attic black-figure pottery of the late sixth century BCE — the Lerna Hydra kylix in the British Museum (registration B 197, c. 530-510 BCE) and the Louvre F 386 kylix — and textually in Pseudo-Apollodorus's 'Bibliotheke' II.5.2 (second century BCE), which fixes the nine heads, the central immortal head and Iolaus's torch. The image runs through Virgil's 'Aeneid' VI.287 (29-19 BCE), the Byzantine 'Chiliades' of Tzetzes (twelfth century), the Aberdeen Bestiary (twelfth century) and Dante's 'Inferno'. The Lerna marsh has been identified with the prehistoric site near Myloi, ten kilometres south of Argos, excavated by Caskey for the University of Cincinnati in 1950-58, making the Hydra a textbook case of myth-archaeology overlap.
Features
- Nine heads, the central head endowed with immortality
- Regenerative power: each severed head sprouts two new ones
- Massive serpent body from which the long necks rise
- Venomous mouth, blood and breath
- Offspring of Echidna and Typhon, sister of Cerberus, the Chimaera and the Nemean lion
- Lairs in the Lerna marsh of Argolis on the eastern Peloponnese
Stories
The model boss of Greek heroic labour narrative, used to teach that brute force alone is insufficient and that companionship and tactics (Iolaus's torch) are required. Her name has been borrowed for the constellation Hydra (the largest of the eighty-eight IAU constellations), for the United States Navy ship USS Hydra and for the fictional secret organisation 'Hydra' in Marvel Comics (introduced by Jack Kirby and Stan Lee in 1965).
Weakness
Each cut stump must be cauterised immediately with fire, otherwise it sprouts two new heads, and the central immortal head must be severed and sealed beneath a great rock to neutralise her — these vulnerabilities are codified in Pseudo-Apollodorus's 'Bibliotheke' II.5.2.
Cultural Significance
The figure is the founding case of the many-headed monster in Western literature and is classified in Indo-European comparative mythology, alongside the Norse Jörmungandr, the Babylonian Tiamat and the Indo-Aryan Vritra, as the Greek variant of the storm-god-versus-many-headed-serpent Chaoskampf, a classification refined by Georges Dumézil and Mircea Eliade.
In Popular Culture
Hesiod's 'Theogony' (c. 730 BCE), Pseudo-Apollodorus's 'Bibliotheke' (second century BCE), Virgil's 'Aeneid' (29-19 BCE), the British Museum Lerna Hydra black-figure kylix (B 197, c. 530-510 BCE), the Louvre kylix F 386, Dante's 'Inferno' (canto 14), Disney's 'Hercules' (1997), D&D 'Monster Manual' (from 1977 onwards) and the Hydra boss of Sony Santa Monica's 'God of War' (2005).
