▲The big danger with this animal is that it's easily confused with a rock or coral reef. The slightest contact can have serious consequences, as its toxins can cause paralysis and shock, as well as extreme pain.

▲This species of frog is mainly found in South and Central America. Its poison can be fatal and one dose could kill up to 20 adult humans.

▲The smallest touch can infect people with its venom, so the best thing is to appreciate this animal's beautiful coloring from afar.

▲This species is known for its beautiful colored rings and can be found in Australia and Japan.

▲A black widow bite is extremely painful and can be fatal.

▲These spiders are found in North American. The female has a red mark in the middle of its abdomen, and a lifespan four times that of the male.

▲Also known as the stonefish, this is the most venomous known species of fish. It lives in the Pacific and Indian Oceans. Its venom causes such pain that some people who have been stung prefer to have the affected limb amputated.

▲This semi-aquatic mammal is native to Australia, including Tasmania. Only male platypus carry venom, which is found in their ankle spurs.

▲Its toxins are so strong that they can kill up to 26 adults in a matter of minutes. The octopus can produce two kinds of venom: one to kill victims and another to weaken them.

▲More commonly known as the pufferfish, this friendly looking fish is the second-most poisonous vertebrate in the world, with only the poison dart frog containing a more deadly venom.

▲This fish is usually found in the Pacific, Atlantic, and Indian oceans and its toxins can cause paralysis, loss of consciousness, respiratory problems, and nausea.

▲This jellyfish's venom spreads through the body and can reach the heart, nervous system, and skin cells. It causes extreme pain which can lead to paralysis.

▲Platypus are not poisonous enough to kill humans, but they can kill other animals, including dogs. If a human was stung by a platypus they would feel an intense and unbearable pain.

▲Some say they are the most poisonous and dangerous creatures in the world. This marine animal lives in the Australian and Asian oceans and can kill people with a single touch.

▲This snake is quite aggressive and just a drop of its poison can kill a human. Its coloring makes it easily mistaken for a vine, allowing it to attack without warning.

▲Despite the risk, there are no recorded deaths from this animal's venom as it doesn't usually attack. Even so, better safe than sorry.

▲This snake is mainly found in Australia and can kill humans with its venom.

▲This is the most venomous species of snake in the world. Its poison can kill a human in a matter of seconds.

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A bite from one of these can cause pain lasting several hours and even death.

▲A bite from a king cobra can inject five times more venom than most snakes, meaning it can kill up to twenty humans in just one attack.

▲This kind of spider is native to South America and is the most dangerous and poisonous of its species. It is aggressive and its venom is highly toxic; just 6 mg can kill a rat.

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Lots of species of animals are dangerous, but the most deadly may not be the big natural predators but those that can kill humans and other animals with just a touch. These venomous animals can cause paralysis, respiratory problems, and even cardiac arrest.

Meet the planet's most poisonous animals!

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Sometimes the victim's body goes blue due to internal hemorrhaging caused by the venom. This can lead to a slow and painful death.

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It is considered the most dangerous type of scorpion and one sting can kill a person or leave them unconscious. Its sting causes extremely intense pain.

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This is the world's most venomous snake and can be found in Australia. Its toxin is the strongest of all snakes and it is so poisonous that it can kill up to 100 humans very quickly.

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This animal can be found in North Africa and the Middle East. It carries a poison that can kill humans.

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It is so far the only venomous bird to be discovered. Its toxins cause paralysis and can be fatal, as they also stop the heart.

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This snake, native to Africa, rarely attacks humans but its venom can cause great pain.

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This small bird is native to New Guinea and its feathers contain venom that is capable of killing multiple people.