What is the most feared beast that live in the sea?

The most feared beast in the sea is often considered to be the great white shark. Known for its size, power, and predatory skills, this apex predator instills fear in many due to its reputation for attacks on humans. Other contenders include the colossal squid and various species of jellyfish, which can also be dangerous, but the great white shark remains the iconic symbol of marine terror. Its presence in popular culture further amplifies the fear surrounding it.