Trojan Cetus
A sea monster sent by Poseidon to ravage Troy, fought by Heracles in exchange for divine horses
The Myth of Trojan Cetus
Poseidon and Apollo built the walls of Troy for King Laomedon, and Laomedon refused to pay. Poseidon's revenge was twofold: a flood and a monster. The cetus rose from the Aegean and began systematically destroying the Trojan coastline — harbours, fishing villages, farmland. Nothing within reach of the sea was safe.
The oracle prescribed the standard remedy: sacrifice a princess. Laomedon's daughter Hesione was chained to rocks at the waterline and left for the creature. The king, desperate enough to accept any offer, promised Heracles the divine horses that Zeus had given Troy as compensation for Ganymede — if the hero could kill the beast.
Appearance and Powers
Heracles agreed. In the most common version, he did not fight the cetus conventionally. He waited until it opened its enormous jaws to swallow Hesione, then leaped inside its mouth and attacked from within. For three days he cut and hacked at the creature's innards. He emerged from the carcass alive but hairless — the digestive fluids had burned away every follicle on his body.
Hesione was freed. And then Laomedon did what Laomedon always did: he broke his promise and refused to hand over the horses. Heracles left Troy furious, and years later returned with an army, sacked the city, killed Laomedon, and took the horses by force.
Parents
Poseidon (sent by)
Symbols
Fun Fact
Heracles killed this sea monster from the inside — he spent three days cutting his way out of its stomach and emerged alive but completely bald
Explore Further
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🐉 creaturesea monsters
A colossal sea monster sent by Poseidon to ravage the coast of Ethiopia
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The monstrous children of Phorcys and Ceto, including the Gorgons, Graeae, and other terrors
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The generic class of great sea monsters in Greek myth — enormous serpentine or whale-like creatures of the deep ocean, of which Cetus is the most famous individual.
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Ethiopian king who chained his own daughter Andromeda to a rock to appease Poseidon's sea monster.
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A horse-bodied sea creature with a fish or serpent tail that pulled Poseidon's chariot
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A giant crab sent by Hera to aid the Hydra against Heracles during his second labour
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Ethiopian princess chained to a rock as sacrifice to a sea monster, rescued by Perseus, and placed among the stars.
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