SPOOKY! Discover the 10 Scariest Snakes in the World!

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Think You Know Snakes?

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Can you imagine hiking on a trail, turning a corner, and seeing a huge King cobra with its head raised to your eye level, puffing, and hissing, bobbing its head back and forth with half-inch fangs ready to strike? Now that would be scary! King cobras are the largest venomous snake in the world, with some that can get to be 18 feet long. What about a snake that spits venom or gnaws on its victim? Are there snakes that strike over and over again? Let’s find out about some of the scariest snakes in the world.

#10) What is the biggest scary snake in the world?

Biggest Snakes: The Green Anaconda
The Green Anaconda can be 20-30 feet long and weigh 550 lbs.

Patrick K. Campbell/Shutterstock.com

The Green Anaconda is the biggest snake in the world. It lives in the rain forests in South America. A green anaconda can grow to be 20-30 feet long. If an office cubicle is 10 feet long, this snake will reach 3 office cubicles long. And we are not talking about a snake the size of a garden hose; this snake is thick! It can weigh as much as 550 lbs! Definitely one of the scariest snakes!

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#9) What snake has the scary combination of Red, Yellow and Black?

Coral snakes have a distinct black, yellow, and red coloration.

iStock.com/JasonOndreicka

Another one of the scariest snakes is the coral snake. You may have heard the catchy life-saving rhyme, “Red touching black, safe for Jack. Red touching yellow, kill a fellow”. I prefer the rhyme, “Red, yellow and black, just stay back!” Why take the chance? The rhyme refers to the deadly coral snake, which looks like other non-venomous snakes but is very dangerous. The eastern coral snake and harlequin snake live in the southeastern states in the United States. Coral snakes are skinny snakes that get to be about 3 feet long. They are banded with alternating wide black, thin yellow, wide red, thin yellow, wide black designs. They have small heads but deliver a potent venom, a neurotoxin that affects the nervous system. Seek immediate medical attention if you are bitten by any red, yellow, or black snake, to be safe.

#8) What snake has horns?

horned viper side view
Horned vipers have horns above their eyes, and they are venomous.

iStock.com/Mark Kostich

Horned vipers are snakes that have horns above their eyes. They are venomous and live in the Middle East and African deserts. They hide in the sand and wait to ambush their prey, but humans are not one of their targets. These vipers are smaller snakes, usually less than 2 feet long, and prefer lizards and rodents as prey.

#7) What snake has the scariest fangs?

Gaboon Vipers have the longest fangs in the world. Some can reach 2 inches long and deliver a painful bite.

frantic00/Shutterstock.com

Gaboon Vipers have the scariest fangs! They have the longest fangs in the world, with some measuring about 2 inches long! These snakes don’t just bite-n-go; they hang on to dispense the most possible venom. The Gaboon viper bite is one of the most painful snake bites in the world. Luckily, they are not aggressive snakes, so bites on humans are not common.

#6) What scary snake bites more than once?

fierce snake
The Inland Taipan has one of the most lethal venoms in the world.

Ken Griffiths/Shutterstock.com

The Inland taipan also called the fierce snake, is very scary because not only does it have one of the most lethal venoms in the world, it bites more than once. It is said that one bite is deadly enough to kill 100 men, but it bites, reloads, and bites again, over and over! If you get bitten, you may only have 30 minutes to live. The good news is that it lives in remote parts of Australia and rarely comes in contact with humans.

#5) What scary snake hisses and spits venom?

Mozambique Spitting Cobra (Naja mossambica) spitting its venom in defense. The snake is is slate to blue, olive or tawny black above, with some or all scales black-edging.
The Mozambique spitting cobra can spit its venom up to 10 feet.

Stu Porter/Shutterstock.com

The Mozambique spitting cobra is a highly venomous snake that can raise its body, make threatening hisses, and spit venom up to 10 feet away! The venom is cytotoxic, causing tissue damage where it comes into contact with your skin. If it sprays venom in your eyes, you could go blind. This cobra can be found in countries in southern Africa, including Mozambique. According to a research study of Mozambique spitting cobras, “A large percentage of the bites (94%) occurred inside human dwellings, and of these, 81% occurred while the victims were asleep.” So they will try to kill you in your home while you sleep! Now that is scary!

#4) What snake wraps itself around its victim crushing it to death?

Burmese Python
Pythons wrap around their prey and squeeze until it dies before swallowing it whole.

iStock.com/Lunatic_67

If you fell to the ground and came face to face with a Boa Constrictor or Python, you could be in for the “hug of your life.” These giant snakes wrap themselves around their prey and squeeze until the victim can no longer breathe. As if that is not bad enough, they swallow their prey whole! In 2018, several news outlets, including USA Today, the Washington Post, and the BBC, reported that an Indonesian woman was attacked and swallowed whole by a 23-foot Reticulated Python! The villagers found a large, bloated snake nearby and cut it open to recover the dead woman’s body. Now, that is scary.

#3) What scary snake gnaws viciously on its victims?

boomslang slithering on branch
Boomslangs can gnaw at their victim and deliver a deadly venom.

iStock.com/FroeMic

Don’t be fooled by the cute green, big-eyed, Boomslang. It looks like a garden hose with cartoon eyes. You find it attractive until the mouth is opened at 180°, revealing two sharp fangs in the back of its throat. Boomslangs are rear-fanged snakes with their fangs located in the rear of their mouth; therefore, they need to get their mouths opened pretty big to deliver their deadly venom. Once they chew down, they keep gnawing almost like a piranha! Their venom is slow-acting but deadly, causing internal bleeding. There is an anti-venom to cure the effects of the bite. They can be found in AfricaSwazilandNamibiaZimbabwe, and Mozambique.

#2) What is the deadliest snake in the United States?

Mojave Rattlesnake
The Mojave rattlesnake is the most deadly snake in the United States.

Creeping Things/Shutterstock.com

The Mojave rattlesnake is the deadliest snake in the United States. It is found in the southwestern states of Arizona, Texas, New Mexico, California, and Nevada. Rattlesnakes will let you know they are ticked off by raising their heads, fanning their neck, showing their fangs, and rattling their tail. If you turn and run, they may chase you down! Now, that is scary! If they catch up with you and strike with their fangs, you will quickly feel their venom effects. Their venom contains neurotoxins and hemotoxins, which can attack your nervous system and slow blood clotting. In the United States, most medical facilities have anti-venom, which can treat the effects of the bite.

#1) What is the deadliest snake in the world?

Deadliest Snakes - Indian Saw Scaled Viper
The Saw-scaled viper is the deadliest snake in the world.

reptiles4all/Shutterstock.com

The Saw-scaled viper is the deadliest snake in the world. It is not the largest snake, about 3 feet long, but it kills more people than any other snake. This aggressive snake is found in West Africa and parts of South Asia, including India. The nocturnal saw-scaled viper is quick to bite, moves by sidewinding locomotion towards its victim, its scales making a hissing sound, getting louder as it approaches, then BAM!, a quick, painful bite full of a cocktail of deadly venom.

The venom of the saw-scaled viper wreaks all kinds of havoc. Some snake venom just paralyzes its victim, but the saw-scaled venom has cardiotoxins (attacks your heart), neurotoxins (attacks your nervous system), and hemotoxins (makes it hard for your blood to clot so you bleed internally). These bites can be fatal in areas with no local access to health care. In my book, deadly=scary, so the saw-scaled viper is the scariest snake in the world!

Up Next…

Keep reading! We think you’ll like these other pages about snakes and other amazing animals.

Discover the “Monster” Snake 5X Bigger than an Anaconda

Every day A-Z Animals sends out some of the most incredible facts in the world from our free newsletter. Want to discover the 10 most beautiful snakes in the world, a “snake island” where you’re never more than 3 feet from danger, or a “monster” snake 5X larger than an anaconda? Then sign up right now and you’ll start receiving our daily newsletter absolutely free.


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About the Author

I’m a Wildlife Conservation Author and Journalist, raising awareness and suggesting actions we can all do to help wildlife. As a former elementary school teacher I have a love for learning and teaching. My goal is to get kids fired-up about animals. Learning about the animals we share this earth with makes life better. When I am not writing I am living the good life with my husband and six kids (we are down to two that are still at home…and our giant labradoodle, Tango!).

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Think You Know Snakes?

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Can you imagine hiking on a trail, turning a corner, and seeing a huge King cobra with its head raised to your eye level, puffing, and hissing, bobbing its head back and forth with half-inch fangs ready to strike? Now that would be scary! King cobras are the largest venomous snake in the world, with some that can get to be 18 feet long. What about a snake that spits venom or gnaws on its victim? Are there snakes that strike over and over again? Let’s find out about some of the scariest snakes in the world.

#10) What is the biggest scary snake in the world?

Biggest Snakes: The Green Anaconda
The Green Anaconda can be 20-30 feet long and weigh 550 lbs.

Patrick K. Campbell/Shutterstock.com

The Green Anaconda is the biggest snake in the world. It lives in the rain forests in South America. A green anaconda can grow to be 20-30 feet long. If an office cubicle is 10 feet long, this snake will reach 3 office cubicles long. And we are not talking about a snake the size of a garden hose; this snake is thick! It can weigh as much as 550 lbs! Definitely one of the scariest snakes!

7,282 People Couldn’t Ace This Quiz

Think You Can?

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#9) What snake has the scary combination of Red, Yellow and Black?

Coral snakes have a distinct black, yellow, and red coloration.

iStock.com/JasonOndreicka

Another one of the scariest snakes is the coral snake. You may have heard the catchy life-saving rhyme, “Red touching black, safe for Jack. Red touching yellow, kill a fellow”. I prefer the rhyme, “Red, yellow and black, just stay back!” Why take the chance? The rhyme refers to the deadly coral snake, which looks like other non-venomous snakes but is very dangerous. The eastern coral snake and harlequin snake live in the southeastern states in the United States. Coral snakes are skinny snakes that get to be about 3 feet long. They are banded with alternating wide black, thin yellow, wide red, thin yellow, wide black designs. They have small heads but deliver a potent venom, a neurotoxin that affects the nervous system. Seek immediate medical attention if you are bitten by any red, yellow, or black snake, to be safe.

#8) What snake has horns?

horned viper side view
Horned vipers have horns above their eyes, and they are venomous.

iStock.com/Mark Kostich

Horned vipers are snakes that have horns above their eyes. They are venomous and live in the Middle East and African deserts. They hide in the sand and wait to ambush their prey, but humans are not one of their targets. These vipers are smaller snakes, usually less than 2 feet long, and prefer lizards and rodents as prey.

#7) What snake has the scariest fangs?

Gaboon Vipers have the longest fangs in the world. Some can reach 2 inches long and deliver a painful bite.

frantic00/Shutterstock.com

Gaboon Vipers have the scariest fangs! They have the longest fangs in the world, with some measuring about 2 inches long! These snakes don’t just bite-n-go; they hang on to dispense the most possible venom. The Gaboon viper bite is one of the most painful snake bites in the world. Luckily, they are not aggressive snakes, so bites on humans are not common.

#6) What scary snake bites more than once?

fierce snake
The Inland Taipan has one of the most lethal venoms in the world.

Ken Griffiths/Shutterstock.com

The Inland taipan also called the fierce snake, is very scary because not only does it have one of the most lethal venoms in the world, it bites more than once. It is said that one bite is deadly enough to kill 100 men, but it bites, reloads, and bites again, over and over! If you get bitten, you may only have 30 minutes to live. The good news is that it lives in remote parts of Australia and rarely comes in contact with humans.

#5) What scary snake hisses and spits venom?

Mozambique Spitting Cobra (Naja mossambica) spitting its venom in defense. The snake is is slate to blue, olive or tawny black above, with some or all scales black-edging.
The Mozambique spitting cobra can spit its venom up to 10 feet.

Stu Porter/Shutterstock.com

The Mozambique spitting cobra is a highly venomous snake that can raise its body, make threatening hisses, and spit venom up to 10 feet away! The venom is cytotoxic, causing tissue damage where it comes into contact with your skin. If it sprays venom in your eyes, you could go blind. This cobra can be found in countries in southern Africa, including Mozambique. According to a research study of Mozambique spitting cobras, “A large percentage of the bites (94%) occurred inside human dwellings, and of these, 81% occurred while the victims were asleep.” So they will try to kill you in your home while you sleep! Now that is scary!

#4) What snake wraps itself around its victim crushing it to death?

Burmese Python
Pythons wrap around their prey and squeeze until it dies before swallowing it whole.

iStock.com/Lunatic_67

If you fell to the ground and came face to face with a Boa Constrictor or Python, you could be in for the “hug of your life.” These giant snakes wrap themselves around their prey and squeeze until the victim can no longer breathe. As if that is not bad enough, they swallow their prey whole! In 2018, several news outlets, including USA Today, the Washington Post, and the BBC, reported that an Indonesian woman was attacked and swallowed whole by a 23-foot Reticulated Python! The villagers found a large, bloated snake nearby and cut it open to recover the dead woman’s body. Now, that is scary.

#3) What scary snake gnaws viciously on its victims?

boomslang slithering on branch
Boomslangs can gnaw at their victim and deliver a deadly venom.

iStock.com/FroeMic

Don’t be fooled by the cute green, big-eyed, Boomslang. It looks like a garden hose with cartoon eyes. You find it attractive until the mouth is opened at 180°, revealing two sharp fangs in the back of its throat. Boomslangs are rear-fanged snakes with their fangs located in the rear of their mouth; therefore, they need to get their mouths opened pretty big to deliver their deadly venom. Once they chew down, they keep gnawing almost like a piranha! Their venom is slow-acting but deadly, causing internal bleeding. There is an anti-venom to cure the effects of the bite. They can be found in AfricaSwazilandNamibiaZimbabwe, and Mozambique.

#2) What is the deadliest snake in the United States?

Mojave Rattlesnake
The Mojave rattlesnake is the most deadly snake in the United States.

Creeping Things/Shutterstock.com

The Mojave rattlesnake is the deadliest snake in the United States. It is found in the southwestern states of Arizona, Texas, New Mexico, California, and Nevada. Rattlesnakes will let you know they are ticked off by raising their heads, fanning their neck, showing their fangs, and rattling their tail. If you turn and run, they may chase you down! Now, that is scary! If they catch up with you and strike with their fangs, you will quickly feel their venom effects. Their venom contains neurotoxins and hemotoxins, which can attack your nervous system and slow blood clotting. In the United States, most medical facilities have anti-venom, which can treat the effects of the bite.

#1) What is the deadliest snake in the world?

Deadliest Snakes - Indian Saw Scaled Viper
The Saw-scaled viper is the deadliest snake in the world.

reptiles4all/Shutterstock.com

The Saw-scaled viper is the deadliest snake in the world. It is not the largest snake, about 3 feet long, but it kills more people than any other snake. This aggressive snake is found in West Africa and parts of South Asia, including India. The nocturnal saw-scaled viper is quick to bite, moves by sidewinding locomotion towards its victim, its scales making a hissing sound, getting louder as it approaches, then BAM!, a quick, painful bite full of a cocktail of deadly venom.

The venom of the saw-scaled viper wreaks all kinds of havoc. Some snake venom just paralyzes its victim, but the saw-scaled venom has cardiotoxins (attacks your heart), neurotoxins (attacks your nervous system), and hemotoxins (makes it hard for your blood to clot so you bleed internally). These bites can be fatal in areas with no local access to health care. In my book, deadly=scary, so the saw-scaled viper is the scariest snake in the world!

Up Next…

Keep reading! We think you’ll like these other pages about snakes and other amazing animals.

Discover the “Monster” Snake 5X Bigger than an Anaconda

Every day A-Z Animals sends out some of the most incredible facts in the world from our free newsletter. Want to discover the 10 most beautiful snakes in the world, a “snake island” where you’re never more than 3 feet from danger, or a “monster” snake 5X larger than an anaconda? Then sign up right now and you’ll start receiving our daily newsletter absolutely free.


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