Found in the coastal regions of the Indo-Pacific, the stonefish is the most venomous fish in the world.
Although their dangerousness is often exaggerated, certain species can be aggressive, especially if they're hungry or during the breeding season. They're known for their sharp teeth and powerful jaws.
Considered by many experts to be the most dangerous shark to humans due to its aggressive nature, presence in shallow waters, and tendency to frequent areas where humans swim.
Famous for its size and role in the media as a fearsome predator, the great white shark is capable of causing fatal attacks on humans, although such incidents are rare.
Known for its voracious appetite, it's considered one of the sharks most dangerous to humans.
While generally not aggressive towards humans, moray eels can inflict serious wounds if provoked. Their bites can lead to infections due to bacteria in their mouths.
Native to the Indo-Pacific but invasive in other areas, including the East Coast of the United States.
Found in South American rivers, it's capable of generating powerful electric shocks, up to 600 volts, to stun prey or defend itself.