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7 Most Dangerous Creatures On Earth

When thinking of the most dangerous animals, the animals that come to mind are bears, tigers, and lions from the animal kingdom. Some of the world’s most threatening animals aren’t as scary and ferocious as you might think, but deadly animals are all around us. Some animals, like the black mamba and saltwater crocodile, are incredibly aggressive. Like the cone snail, others seem a lot less dangerous, but don’t underestimate their potent venom. 

Many dangerous animals take up habitation from remote parts of nature to densely-populated cities worldwide. Here are some of the most ranked, dangerous animals in the world. Watch your back if you encounter any of these in the wild:


Box Jellyfish

These transparent, box-shaped jellyfish swimming along Australia possess tentacles of 3-meter-long lines with lots of tingling cells. These cells contain nematocysts toxins that strike the skin cells, nervous system, and heart simultaneously. In Australia, upon the sting, most victims encountered shock, and of the 60 human deaths caused by this jellyfish led to dying of heart failure or drowning. Those who survived for weeks after report hindering pain and long scarring. These animals seem harmless but have been named the most deadly animals in the world.

Black Mamba

Black mambas are infamous throughout Africa. Black mambas are widely feared due to their lethal venom, aggression, and speed. Black mambas are known to be the fastest land snake in the world. The grayish-brown snake was named for the color of its mouth. A mamba opens its mouth when threatened to show the black lining as a warning signal. To kill a human, it only takes two drops of black mamba’s venom. The fatality rate is 100 percent without antivenom.

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Saltwater Crocodile

Saltwater crocodiles are the largest of their species. They are very aggressive, with a bite force rivaling the T-Rex and holding the largest species globally. Saltwater crocodiles are easily provoked, growing up to 6 meters long and 800 kg, and very offensive towards anything that comes their way. This dangerous animal can be found prowling the Indo-Pacific region, ranging from parts of India and Vietnam to Australia. Crocodiles kill hundreds of people and are one of the most dangerous animals that attack each year worldwide.


A hippopotamus can be a deadly, dangerous, and aggressive animal. They are responsible for at least 3,000 deaths of people per year. In Africa alone, hippos kill 500 people every year. They can crush humans to death by weighing between 3,000 to 9,000 pounds. They can be unpredictable and aggressive, which makes them more deadly. They are known to bite people with their sharp and huge teeth and attack boats for no reason.

Cone Snail

Small cone snails can kill and paralyze a living being with their venom. They are ranked among one the deadliest animals on earth. These short and venomous snails are not a joke just because they are small in size. These 15-cm small animals with concealed teeth carrying conotoxin, a complex venom, sting their victims and paralyze them.

The victim only has moments to survive once paralyzed as there is no antivenom present for it. The brown-and-white shelled snails are responsible for nearly 30 to 40 human deaths yearly. Found in the shallow tropical shores of Hawaii, Indonesia, and the Caribbean.

Cape Buffalo

If provoked, cape buffaloes can be deadly. Buffalos do not usually come to mind when you think of a human-killing, fearsome machine. Their ability to kill when provoked is high, and do not underestimate these massive animals. Cape Buffaloes, weighing nearly 2000 pounds and 6.5 feet tall, are responsible for nearly 200 human deaths annually.

They are typically peaceful animals and, to stay hydrated, are known to gather around watering holes. Their calves can also be threatened when they unveil their scary side. They will not stop attacking if provoked and do not delay attacking moving vehicles. They are responsible for most hunters’ deaths in Africa. 

Golden Poison Dart Frog

A Golden Poison Dart Frog is deadly, even by just merely touching it. The Golden Poison Dart Frog inhabiting the rainforests along the Pacific Coast hides deadly venom under its skin. When connected or touched, the victim’s survival rate is the least. The Embera people used it as a lethal weapon and laced their arrow tips because the poison was potent enough to kill ten men. The venom can remain on the arrows for a year. These bright-yellow frogs are considered roughly the size of a paper clip yet deadly and ranked among the world’s most dangerous animals.

Final Thoughts

Many threats and dangers await humans in the outside world, from large animals to parasites and insects. While many people think of large animals as responsible for the most human deaths in one year, this is far from the truth. As mentioned above, even a small snail can be as deadly as a lion. So be careful.