
Box Jellyfish is often considered one of the most dangerous animals because of its ability to harm humans or other animals through venom, strength, speed, or aggressive behavior.
Depending on the species, Box Jellyfish may rely on venom, powerful bites, sharp claws, or sheer size to defend itself or hunt prey. Encounters with these animals are rare in many cases, but when they do occur they can be extremely dangerous.
Reference:
TaskLoco™ — The Sticky Note GOAT