What are the world’s scariest sea monsters? Whether or not you believe the creepy sea monster stories below, with less than 5% of the Earth's seas explored, who knows what's out there?! Vote up the stories about sea monsters, real or not, that you find most frightening.
Even though this mythical evil mermaid has some human-like qualities, its green skin and long, grotesque fingernails distinguish it from mere mortals. The Qalupalik likes to kidnap children playing near the shore, using a humming voice to lure them to the edge of the water. Some say she feasts on the young, others say she feeds off their youthful energy to preserve her beauty. Either way, it's a fateful ending.
This beast will give you hell in all kinds of ways. Believed to be the guardian of the underworld, this massive monster knows the perfect way to use its knife-sharp teeth and poisonous breath to slaughter virtuous sailors. It’s also equipped with an additional special power: if one of its multiple heads is cut off, two will grow back in its place.
With arms, legs, and five-fingered hands, the Ningen's most horrifying feature is that it looks just like a human being. In fact, Ningen means "human" in Japanese. But when you catch a glimpse of its noseless face, fins, and tail, there's no mistaking this thing as a cold-blooded killer. They live to spook shipmates by putting their spine-tingling physique on display above the surface.
In a case of fire-meets-water, the Leviathan combines two of Earth's natural elements to massacre innocent sailors. This fire-breathing sea monster boils the surrounding water to a skin-melting temperature, resulting in turmoil and violent deaths. Its sinister nature and ferocious behavior are detailed in the Bible, which depicts the creature as a savage primordial sea serpent.