Estimates of how many animal species are found in the world vary between 20 and 100 million. In addition to our dog and cat friends, there are many animals that are not friends and that even need to be kept away. We have collected the 5 most dangerous animals in the world for you.

1. Box Jellyfish

This creature is the most dangerous animal on earth. It lives in the oceans and seas of the Austrian and Asian continents. About 6,000 people have died since the 1950s. 

The poisons present in this organism damage human skin, the nervous system and the heart. There are 60 poisonous needles touching the body of the jellyfish box. Although not an aggressive animal, it uses its zoos to defend itself against nutrition and external attacks. 

One of the most interesting aspects of this creature is its 24-eyed appearance. The box jellyfish, capable of moving at a speed of 150 cm per second, produces about 350 times more venom than a normal jellyfish. 

This jellyfish can cause paralysis by giving a burning and painful sensation when a person is stung. In particular, these creatures are the main reason surfers wear clothing that completely hugs their bodies. Use leads to the danger this creature can create.

2. Dart Frog

Poison Dart Frog lives in Colombia and America. This frog has around 200 explored species. A person can become paralyzed when this frog disappears and is touched, or a person who accidentally swallows this frog will die in less than a minute. 

Poison Dart Frog's entire body is covered in poison, the 1-inch frog will immediately start spreading poison to the body of those who touch it. The poison that is on the skin of this dangerous animal on earth is at a level that can easily kill 200 people.

3. Blue Ringed Octopus

The blue-ringed octopus is a dangerous animal on earth and is an animal that can have deadly consequences. This octopus is the size of a golf ball, the poison in its body is more than enough to kill 30 people. This creature, which lives in Japan and Australia, takes only 2 minutes to kill a human.

4. Funnel-Web Spiders

These spiders like to live about 20 cm below the ground and express themselves by forming a funnel-shaped web at the mouth of the nest. This spider, which also lives in Sydney, is quite funny and attacks immediately without thinking about the person or creature it sees as the enemy. 

The funnel spider has the ability to jump up to 2 meters in height and can grow up to 3 cm in size. The funnel spider is commonly seen in January and March and kills the poisoned person or creature within 30 minutes. After this spider attacks a human, there is a fairly short time to intervene.

5. Black Mamba

The Black Mamba is quite poisonous and aggressive as one would expect. The true homeland of this creature is Africa and ranks second among the longest snakes in the world. 

The adult black mamba snake is usually around 2.5 meters tall, but these snakes can grow up to 5 meters. Since the mouth is black, the body of this snake, called a black mamba, has a dark green colour and, due to this colour and darkness in the mouth, it has a very repulsive and frightening image. 

Having the ability to reach speeds of 20 km / h, the snake can cause the deaths of 150 people. After the bite of this snake, the antidote must be done immediately. The black mamba has the venom that causes the fastest death.