Top 10 Most Venomous Animals in the World

A small amount can be fatal, are you curious what species they are and what they look like? Let's find out!

1. Puffer fish

The Puffer fish delicacy is not only rare in Korea and Japan, but also contains a terrifying risk of toxicity. If accidentally exposed to Puffer fish skin, the victim may experience numbness of the tongue and mouth, dizziness, vomiting, decreased heart rate, difficulty breathing, and paralysis of the limbs. This condition occurs rapidly and can lead to death within 4 - 24 hours.

What is more worrying is that there is no effective antidote for Puffer fish toxins. In Japan, only highly certified and licensed chefs are allowed to prepare the Puffer fish delicacy Fugu to serve diners.
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2. Taipan

The Taipan is a venomous snake that lives mainly in Australia and is the most feared snake in the world with a terrible toxin, up to 300 times more than that of the cobra. A single bite can take the lives of 100 people or an 'army of 250,000 lab rats'. Victims will die within 45 minutes. Taipans are usually very shy and afraid of humans, only using their venom to defend themselves when necessary.

Taipans belong to the genus Oxyuranus in the agile family. They move quickly, are highly toxic and are characteristic of Australasia. There are three recognized species, of which the coastal taipan is divided into two subspecies. Taipans are considered one of the most dangerous snakes, their venom strongly affects the victim's nervous system and blood system, can cause paralysis and rapid blood clotting.
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3. Dart Frog

Dart frogs, native to the Americas, have venom strong enough to kill 10 people or even an elephant. They live mainly in forests from Costa Rica to Brazil. The color of this frog is diverse, from yellow, strawberry red to sapphire blue, black or other shades. Thanks to their characteristic color, they warn all predators of danger and stay away. The name 'dart frog' comes from the Indians in Central and South America, they use the poison from this frog to coat the tip of their darts, serving to hunt animals.

Among the dart frog species, the sapphire blue stands out. They are usually not found underwater due to their poor swimming ability. As one of the four most poisonous dart frogs, the yellow striped frog is less toxic, can cause pain, mild convulsions and sometimes paralysis when poisoned.
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4. Stonefish

With a rough appearance, stonefish are capable of secreting a venom that causes the victim to feel the “most terrible pain a human can ever experience”. Their bites cause dizziness, difficulty breathing and quickly lead to death. Scattered on the ocean floor in the Pacific, Indian and Red Seas, stonefish are masters of camouflage, able to blend in with their surroundings and lose their mark in coral reefs.

They even look like rocks you might accidentally step on. Measuring up to 50cm in size and weighing about 2.2kg, stonefish have 13 sharp fins on their bodies, each fin containing 2 venom glands ready to spray when disturbed. Their venom can kill a victim in less than an hour.
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5. Brazilian Spider

The Brazilian spider, also known as the Phoneutria, was once a star in the Guinness Book of World Records as the most venomous spider. Just 0.006 mg of Phoneutria venom is enough to kill a mouse. Notably, this spider can live anywhere, in any climate, weather conditions and is ready to attack any creature that threatens their territory.

All Brazilian spiders are brown, with gray hair and black spots on their abdomens. Large in size, with legs about 15 cm long and a body about 5 cm long, they are true nocturnal hunters. Living in crevices or under logs, they are active at night to hunt, eating insects, small reptiles, amphibians, mice and even other small spiders.
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6. Blue-ringed octopus

The blue-ringed octopus, a small octopus the size of a golf ball, is decorated with delicate blue-black spots that look like jewels. In general, this external beauty is in harmony with the elemental poison inside, causing a bite to leave a person with only 2 minutes to stop breathing. A single blue-ringed octopus has enough poison to end 26 lives at once. They are commonly found in the Pacific Ocean, from Japan to Australia.

Carrying tetrodotoxin (TTX) in their saliva, the blue-ringed octopus is a threat to humans, especially fishermen. TTX, a powerful neurotoxin, blocks the movement of sodium ions in nerve cells when entering the bloodstream. When bitten, symptoms of poisoning appear after 1-5 minutes, especially threatening to those who use their bare hands when catching seafood. People can also be poisoned if they mistake the blue-ringed octopus for a common octopus. Ingestion can cause symptoms within 10-20 minutes.
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7. Stalker Scorpion

There are more than 2,500 species of scorpions in the world, 25 of which are highly venomous. The Death Stalker, which is pale yellow and 10cm long, is notable for its two venomous pincers. It likes to eat insects, snakes and even other scorpions.

Stalker Scorpions, which live mainly in North Africa and the Middle East, do not just cause pain and swelling like regular scorpions. Their venom can be fatal, causing the victim to experience excruciating pain, high fever and fainting. Although dangerous, there are now treatments for people bitten by Stalker Scorpions, helping many victims survive.
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8. King Cobra

The King Cobra, also known as the cobra in Vietnam, is famous for its ability to hunt other snakes. One bite is enough to make the victim critically ill for a few seconds. The venom of the Cobra can kill an elephant within 3 hours if it attacks sensitive parts such as the trunk. It lives mainly in South and Southeast Asia, especially in high mountain forests.

The king cobra is known for its intelligence, nest-building ability, and huge size, up to 7m long. With a 'king' physique, when threatening, they hold 1/3 of their body up, spread their hoods wide, and always look intently at the enemy without blinking (they have transparent eyelids). The majestic demeanor of a 'master'.
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9. Marbled Cone Snail

Don't let the small and gentle appearance of the Marbled Cone snail fool you, because they are one of the most venomous animals on earth. Just one drop of Marbled Cone saliva can kill at least 20 people. If you happen to see them crawling on the wall or under the grass, do not dare to pick them up or you will suffer tragic consequences.

Marbled Cone saliva can cause the person who gets it to tremble, paralyze the limbs, blur the vision and stop breathing after just a few hours. However, the function of this extremely toxic substance is only for self-defense and hunting, they never attack humans. So far, about 30 people have died from encountering Marbled Cone saliva.
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10. Box Jelly Fish

Topping the list of the world's most venomous creatures is the Box Jelly Fish. According to scientists, this small creature with deadly venom has claimed the lives of 5,567 people since 1954.

Even humans cannot create a drug with as many dangerous toxins as the Box Jelly Fish. The poison of this fish attacks the cardiovascular system, nervous system and skin cells so quickly that victims bitten by the Box Jelly Fish will die immediately from heart failure before they can feel the pain. This fish often lives in the deep seas of the Pacific Ocean, Asia and Australia.
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