Snakes are probably one of the scariest animals around. By merely hearing someone say snake, you could probably imagine its hissing sound and you can get some goose bumps already. What makes snakes even scarier is the fact that they can be very scheming. You might not see them easily and when they attack you, you will never know what hit you. There are different types of snakes, some more dangerous than the others. In this list, we will show you the 10 deadliest snakes in the world based on the amount of venom necessary to kill mice tested in a laboratory. This is called the LD50 or the median lethal dose. The lower the dose needed, the deadlier the snake is.
10 Tiger Snake
The tiger snake is striped like real tigers. There are several varieties of this snake that can be found in different places but it is predominantly present in Australia. Some of its favorite spots are coastal areas and creeks. The median lethal dose for the tiger snake varies from an LD50 of 0.4 for the Chappell Island tiger snake variety and it can go as low as 0.12 for the peninsular tiger snake. A tiger snakebite that remains untreated can rapidly cause problems in breathing, paralysis, and even death 60% of the time.
9 Desert Horned Viper
The desert horned viper is characterized by its little horns over each eye that makes it easy to recognize. It is known for its side-winding move. It presses its weight on the sand to enable it to move across the sand’s loose surface. The desert horned viper is commonly found across North Africa and the Middle East. Scientists have different opinions on the desert horned viper’s venom toxicity that varies from an LD50 range of 0.4 to 0.1.
8 Common Krait
The common krait usually feeds on lizards, small mammals, and other snakes. What makes this snake very dangerous is that it often attacks you in your sleep. You might not even realize that a snake bit you because its bite is painless. You may think that you were only bitten by a mosquito or an ant. The common krait’s venom takes several hours to take effect but it can be fatal through respiratory failure. This snake is commonly found in India. It is one of the species that causes the most number of snakebite cases in South Asia. The common krait has an LD50 of 0.09.
The boomslang is a small, beautiful, and brightly colored snake. Its venom is released through its fangs at the rear of its jaw rather than at the front. The effect of the snakebite will normally be felt after several hours. It can cause internal and external bleeding since the blood clotting process is disabled. The boomslang is normally found in Africa. It is not as aggressive as other types of snake as it would prefer to retreat than to attack. While deaths caused by a boomslang’s bite are relatively rare, it still remains dangerous with a high venom toxicity of 0.07 LD50.
6 Tiger Rattlesnake
A tiger rattlesnake is a striped snake commonly found in northwestern Mexico and southwestern United States. It is touted to have the highest toxicity among all rattlesnakes. Any tiger rattlesnake bite should be considered as a critical emergency. Experts have different opinions on the strength of the venom of the tiger rattlesnake but it can go as low as 0.06.
5 Black Mamba
The black mamba is a big, black, long, quick, and deadly type of snake. It is recorded as the world’s fastest snake and the second longest venomous snake. Its can move at the speed of 14 miles per hour and it has an average length of 8.2 feet. The effect of the black mamba’s snakebite can be felt in 30 minutes to an hour. It can mean death by heart attack or respiratory failure. Fortunately, an anti-venom has already been created to prevent deaths from the black mamba’s snakebite. Its venom has a 0.05 LD50.
4 Eastern Brown Snake
The eastern brown snake is another deadly variety of snakes. Its venom contains blood coagulants and neurotoxins. It's commonly found in Australia. There are different reports on the toxicity of the venom of the eastern brown snake. Its LD50 ranges from 0.05 to 0.03.
3 Russell’s Viper
The Russell’s Viper is another deadly snake to avoid. What makes it more dangerous than the other types of snakes is that it thrives in open fields and bushy areas, or the places where people live because of its strong attraction to rodents. Some of the common victims of the Russell’s Viper would be outdoor workers. This snake is commonly found in India, Thailand, and Burma. In Burma alone, it accounts for 90% of snakebite deaths. Some effects of its snakebite include extensive bleeding, necrosis, swelling, pain, and vomiting. It can kill you through cardiac, respiratory, or kidney failure. Unfortunately, there is no anti-venom for its snakebite as its venom’s properties are different, depending on the area where the snake is found. It has a deadly venom toxicity with an LD50 of 0.03.
The taipan is also called a fierce snake due to the fierceness of its venom. Contrary to its alternate name, the taipan is actually reclusive and shy. After biting its prey, it would normally retreat first to wait for its prey to die before returning to feed on it. It is recorded as the world’s most venomous land snake. The taipan is normally found in Australia. Its venom clots the blood and blocks blood vessels. While an anti-venom has been invented, the recovery period from a taipan’s snakebite can still be painful and slow. Its venom’s toxicity can range from an LD50 of 0.03 to as low as 0.01.
1 Sea Snake
The sea snake is an aggressive hook-nosed type of snake. It is very dangerous with allegedly eight times more toxicity than the cobra’s venom. Its toxicity depends on the type of sea snake involved, ranging from an LD50 of 0.04 for the Dubois reef sea snake to as low as 0.01 for the Belcher’s sea snake.
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