12 List of Most Dangerous Animals in the World

Almost all animals that live in this world have natural powers that can protect themselves from enemy attacks, be it humans or other animals. This power can be in the form of sharp teeth, very strong energy, and also poison or it can come from his organs. Many of us think that poison is the same as venom. Although they have similarities, but basically poison and venom are two different things. Where poison is a substance that can irritate or kill by ingesting or absorbing it. While venom is a poison that is in the bodies of animals such as snakes, bees, and also scorpions by injecting it into the bodies of humans or other animals. Either through a bite or a tail sting.

Animals that have poison or can are one of the most dangerous types of animals in the world. Because, not infrequently the poison and venom that is released can stretch a human life in just a short time. What do you think are the most dangerous animals in the world? Let’s find the answer below.

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List of Most Dangerous Animals in the World

There are so many animals that have a cute appearance but actually endanger other living things to the point of killing humans. In this world, it turns out that there are lots of animals that live side by side with humans. These animals are very dangerous to lethal. Never underestimate the animals listed below, including:

1. Box Jellyfish

This marine animal is often found floating or moving slowly in the Indo-Pacific waters. This is an invertebrate that has a transparent body shape and can barely be seen. Where this animal is considered by the National Oceanic and Atmospheric Administration as one of the most venomous marine animals in the world.


This box jellyfish contains up to 15 tentacles, each of which grows to a length of 10 feet. All the tentacles on the jellyfish’s body are lined with thousands of stinging cells called nematocysts. These stinging cells contain toxins that can simultaneously attack the nervous system, heart, and skin cells.

The poison in it is very powerful and overwhelming. So many people are victims of violence. Almost every year, there are many people who go into shock, drown, and even die of heart failure due to being stung by this box jellyfish. If there are survivors, they usually have to undergo a long course of treatment, almost taking several weeks.

2. Viper Snake

One of the most dangerous animals in the world is the viper snake. Where this snake has scales that are shaped like saws and often live in some areas that are deep, especially in areas with a desert climate. Sometimes, they will camouflage naturally. So it is often invisible to humans.

In addition, this type of snake is usually active at night and often makes a hissing sound as a form of self-defense. The sound comes from a behavior known as stridulation, which is when the snake rolls up and rubs its scales together. This viper snake is also very aggressive with double the lethal dose in every bite.

3. Pufferfish

Pufferfish or also known as blowfish usually live in tropical seas around the world. Although they are among the second most toxic vertebrate animals in the world, they can also be said to be more dangerous because their neurotoxins are found in fish skin, liver, muscle tissue, kidneys, and also gonads. All of which should not be consumed by humans.

Even if you meet this fish in the wild, it will still be dangerous. The risk of death from puffer fish increases when eaten in countries such as Japan. This fish is considered one of the delicious foods known as fugu and can only be prepared or cooked by a trained and officially licensed chef.

Tetrodotoxin is a substance that is 1,200 times more toxic than cyanide and can cause numbness of the lips and tongue, vomiting, dizziness, difficulty breathing, arrhythmias, muscle paralysis, and even death.

4. Black Mamba

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Although species such as the king cobra or boomslang are very dangerous because of the poison in their bodies, the black mamba is still more deadly because of its speed. This one species can grow up to 14 feet in length and is one of the fastest species of all types of snakes in the world. They will crawl at speeds of up to 12.5 miles per hour.

Fortunately, these black mamba will generally attack when they feel threatened. However, when they do, they will bite repeatedly and deliver enough venom in one bite, which can kill up to 10 people at once. If a person does not receive the correlative antivenom within 20 minutes, then the bite is almost 100 percent fatal because it can cause death.

5. Sydney Funnel-Web Spider

Some types of spiders show off their lethality with striking colors, but not the Sydney Funnel-Web Spider. The bite of this spider can cause death in just 30 minutes. Because, the atraxotoxin in its venom will cause the human nervous system to become short. Meanwhile, this type of spider is very aggressive and its fangs can penetrate human nails. It can even penetrate human shoes because it is so sharp.

6. Saltwater Crocodile

The next most dangerous animal in the world is the saltwater crocodile. This vicious killer can grow up to 23 feet in length. Then it can weigh more than a tonne and is known to kill hundreds of people every year. This type of crocodile is very dangerous because they are reliable swimmers in salt water or fresh water and can attack very quickly.

7. Tsetse Flies

This fly is often considered the most dangerous fly in the world. This type of fly is usually found in Sub-Saharan Africa, especially in all countries in the center of the continent. While this type of fly is a blood-sucking insect that generally eats for hours. Actually, the terror of these animals lies in the protozoa they spread. These parasites are known as Trypanosomes. This microscopic pathogen is a causative agent of African sleeping sickness, a disease characterized by neurological symptoms as well as meningoencephalitis, including behavioral changes, poor coordination, and disturbances in the sleep cycle that give the disease its name.

If left untreated, this condition can be very fatal. Although neither vaccine nor drug can prevent infection, methods of protection include wearing neutral-colored clothing, as this type of fly likes dark colors, avoids bushes during the day, and wears permethrin-treated gear in very remote areas.

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