Larry Slawson received his master's degree from UNC Charlotte. He has a keen interest in reptiles, insects, and arachnids. Show
From the Death Adder to the Inland Taipan, here are 10 deadly snakes you never want to cross paths with! Photo by David Clode on Unsplash 10 of the World's Deadliest SnakesAround the globe, there exists a handful of snakes capable of causing serious harm or death to humans. Although the majority of snakes in the world are relatively harmless (and capable of inflicting only minor flesh wounds), a small number of species are quite dangerous to humans due to their aggressive behavior and potent venom. This article explores the 10 deadliest snakes currently known to exist, based on an analysis of their overall toxicity and potential for human fatalities in the absence of medical attention or appropriate antivenom. (At the end of this article, you will find a section with tips on what to do if you're bitten by a venomous snake!) Is "Deadliest" the Same as "Most Venomous"?No. In selecting the snakes presented below, the author makes a number of basic assumptions. Since most venomous snake bites can be effectively countered by antivenom, the author is forced to classify these snakes with a presumptive mindset. To accomplish this, each of the snakes listed below is analyzed according to its potential for causing human fatalities in the absence of antivenom or medical care, not the number of human fatalities it actually causes. Average time of death following a bite and the overall potency of their venom is also considered, since any venomous snake has the potential to be deadly if appropriate medical care is not sought immediately. This is particularly true for rural and remote areas where hospitals and doctors are less accessible to victims. While imperfect, the author believes that these criteria offer the best measurements available for determining the world’s deadliest snakes.
Rattlesnake 10. Mojave Rattlesnake (Crotalus scutulatus)
The Mojave Rattlesnake, also known as the Mojave Green, is a highly venomous pit-viper species. It is found predominantly in the desert regions of the southwestern United States as well as central Mexico, and is largely considered by scientists to possess the most toxic venom of all rattlesnake species. The Mojave Rattlesnake grows to around 3.3 feet in length (on average), with the largest reaching lengths of 4.5 feet. The snake’s color varies from light green to brown, allowing it to easily blend in with its nearby surroundings. The snake also closely resembles the Western Diamondback Rattler, with the main difference being the bands along their rattle-tails; the Western Diamondback's bands are bright white, while the Mojave Rattlesnake's bands are dullish white-beige. Mojave Rattlesnake Bite Symptoms and TreatmentThe venom of the Mojave Rattlesnake is extremely deadly, and nearly matches the toxicity of several elapids (such as the King Cobra and Black Mamba). Bites from the Mojave Rattler often have delayed symptoms, prompting individuals to often underestimate the severity of their bite. However, within hours, vision problems, difficulty speaking/swallowing, as well as muscle weakness are very common. Moreover, the venom often causes difficulty breathing and often leads to respiratory failure if prompt medical treatment is not sought. Despite its potency, however, fatalities from the Mojave Rattlesnake are relatively rare due to the prominence of CroFab antivenom. This antivenom, which uses the Mojave Rattlesnake venom in its manufacture and development, is highly effective for neutralizing the effects of the snake’s bites. Philippine Cobra 9. Philippine Cobra (Naja philippinensis)
Scroll to Continue Read More From OwlcationThe Philippine Cobra, also known as the Northern Philippine Cobra, is a highly venomous species of snakes residing in the northernmost corners of the Philippine islands. It often inhabits the low-lying plains and forest regions of the Philippines and is typically found near sources of fresh water. The species is quite stocky and possesses a hood that can be raised when threatened. The snake tends to be brown in color, with older snakes lightening in their brown appearance with age. The average length of the cobra is approximately 3.3 feet, but some Philippine Cobras have been known to reach lengths of 5.2 feet. Philippine Cobra Bite Symptoms and TreatmentComposed of a postsynaptic neurotoxin that directly affects the respiratory system of its victims, the venom of the Philippine Cobra is extremely potent. It is also known to cause paralysis of the neuromuscular system. Symptoms of a cobra’s bite include extreme nausea, vomiting, migraines, abdominal pain, dizziness, diarrhea, difficulty speaking and/or breathing. Unlike the Mojave Rattlesnake, symptoms often appear very rapidly (within 30 minutes). Although treatments are available to help mitigate the venom, they are not always successful, and the cobra’s bites often result in death. To make matters worse, the Philippine Cobra also possesses the ability to spit its venom at potential victims, causing serious damage to the eyes if hit (including permanent blindness). Death Adder 8. Death Adder (Acanthophis antarcticus)
The Death Adder is a highly venomous elapid snake found in Australia, New Guinea, and the surrounding region. It is considered one of the deadliest snakes in the world, with approximately seven different species making up its overall genus. Although the Death Adder has a viper-like appearance, it is actually a member of the elapid family of snakes, which includes Cobras and Black Mambas. Death Adders are quite short, with triangular heads and small scales adorning their bodies. They also possess large fangs, as well as a “lure” at the end of their tail that resembles a small worm. Typically, the Death Adder maintains a shade of black or grey. However, some Death Adder species can take on a reddish-yellow, brown, or greenish-grey hue. Death Adder Bite Symptoms and TreatmentThe Death Adder’s venom is a highly toxic neurotoxin. Bites from a Death Adder are extremely deadly and can result in death within six hours if treatment is not sought out. Similar to other snakes in this list, the venom often causes paralysis, as well as a complete respiratory system shutdown. Although antivenoms have been developed for the Death Adders, deaths still occur from their bite as antivenom is only able to slow down the progression of symptoms to a degree. Tiger Snake 7. Tiger Snake (Notechis scutatus)
The Tiger Snake is a highly venomous snake that is found along the southern sector of Australia and Tasmania. The Tiger Snake is often found in coastal regions, wetlands, and marshes due to the abundance of prey in these sorts of environments. Tiger Snakes reach a size of approximately 3.93 feet in length and come in a large variety of colors depending on their location (olive, yellow, orange, brown, and black). Similar to cobras, the tiger snake is quite aggressive when startled, and will flatten its body in order to raise its head above ground level. Tiger Snake Bite Symptoms and TreatmentThe Tiger Snake’s venom is comprised of highly potent neurotoxins, coagulants, myotoxins, and haemolysins. Symptoms of their bite include extreme pain in the foot and neck, body tingling, excessive sweating, numbness, trouble breathing, and paralysis. Luckily, there is an effective antivenom (provided that the bite victim receives care in time). The mortality rate for untreated Tiger Snake bites is nearly 60%. Of the recorded snake bites in Australia between 2005 and 2015, Tiger Snakes accounted for approximately 17% of all bites in the region (Wikipedia.org). Out of 119 bites, 4 individuals died from complications. Chain Viper
6. Russell's Viper (Daboia russelii)
Russell’s Viper, also known as the Chain Viper, is a venomous snake from the Viperidae family. It is found predominantly in Southeast Asia, China, Taiwan, and India. Chain Vipers are quite common and are typically found in grasslands or brushy areas. They are also common around farms but tend to avoid forested regions, as well as marshes, and swamps. One of the Chain Viper's primary food sources is rodents. As a result, these snakes are often found around human settlements, given the fact that rats and mice tend to stay close to humans. Chain Vipers possess flat, triangular heads, with rounded (and raised) snouts. Their color patterns vary by snake, but they are typically yellow, tan, and brown in color. These deadly snakes can reach lengths of 5.5 feet, with a width of approximately six inches. Chain Viper Bite Symptoms and TreatmentChain Vipers produce a considerable amount of venom in their bites, which are highly lethal to humans in doses of 40–70 milligrams. Common symptoms from a Chain Viper bite include excessive bleeding (particularly in the gums and urine), a rapid drop in blood pressure (and heart rate), blistering, necrosis, vomiting, facial swelling, kidney failure, and blood clotting. For individuals who seek emergency attention, antivenom is relatively effective against the Chain Viper. However, pain from the bite often continues for approximately four weeks and is known to cause severe tissue damage. Approximately 29% of survivors also suffer from damage to their pituitary glands. Black Mamba 5. Black Mamba (Dendroaspis polylepis)
The Black Mamba is a species of extremely venomous snake that resides in Sub-Saharan Africa. This snake is also known to live in both the ground as well as trees. As a result, they are often found along savannas, woodlands, forests, and rockier regions. It is in these regions that the Black Mamba often preys on birds and other small animals. Given its rapid speed (around 10 miles per hour), the snake is able to overcome most of its prey with ease. The Mamba is known for its long length, at approximately 6.6 feet to 10 feet on average. Some Black Mambas have even reached lengths of nearly 14.8 feet, making it one of the longest venomous snakes in the world. The Black Mamba often maintains a color of grey, olive, and dark brown, with adults being far darker than younger mambas. Black Mamba Bite Symptoms and TreatmentUnlike other snakes, the Black Mamba typically delivers multiple bites when it strikes. Its venom, which is composed primarily of neurotoxins, induces symptoms within a span of 10 minutes and is fatal if antivenom is not administered rapidly. Rather than causing local swelling and necrosis (like many venomous snake bites), a Black Mamba’s venom often causes severe tingling, a metallic taste in the mouth, drooping eyelids, neurological dysfunction, blurred vision, and paralysis of the respiratory system. Extreme drowsiness, inability to speak, nausea, vomiting, and extreme sweating are also common. Humans that are bitten by a Black Mamba will usually die within anywhere from 30 minutes to 3 hours after injection if medical treatment is not administered rapidly, but fatalities have been reported in as little as 20 minutes after injection. Unfortunately, antivenom is not widely available in many of the rural areas the Black Mamba calls home, where deaths caused by this highly venomous snake are still frequent. Eastern Brown Snake 4. Eastern Brown (Pseudonaja textilis)
Eastern Browns are found in nearly all environments, except for dense forests, around Australia. They are most common around farms, as their main prey includes the populous house mouse. This extremely deadly snake is quite slender in appearance and reaches an average length of 4.9 to 6.6 feet. As its name implies, the Eastern Brown is typically brown in color, with some snakes taking on a blackish appearance as well. Eastern Browns are well known for their small fangs, dark tongues, and dark black eyes. They are also quite solitary and tend to be most active during the daylight hours. Eastern Brown Snake Bite Symptoms and TreatmentThe Eastern Brown Snake’s venom is extremely deadly and is responsible for more deaths in Australia than any other snake species. Out of 35 reported snake-bite deaths between 2000 and 2016 in Australia, 23 of the were caused by the Eastern Brown Snake (University of Melbourne, 2017). That being said, bites from this snake have a fairly low mortality rate—just 10–20%—since the snake does not typically deliver a high volume of venom with each bite. Early symptoms of an Eastern Brown Snake bite include coagulation of the blood, a sudden drop in blood pressure, severe bleeding, and heart failure. Other symptoms include kidney failure, extreme nausea and vomiting, and migraines. Symptoms begin rapidly (within 15 minutes of being bitten). However, depending on the amount of venom injected during the bite, some individuals have been known to develop extreme symptoms within only two minutes. Neurotoxicity is rare with the Eastern Brown Snake’s bite, as its venom typically attacks the cardiovascular system of its victim. Although antivenom has been available since 1956, the rapid onset of symptoms often negates the benefits of the antivenom, as victims often slip into cardiac arrest before appropriate care can be given. Inland Taipan 3. Inland Taipan (Oxyuranus microlepidotus)
The Taipan is a highly venomous snake that resides in Australasia. It is a member of the elapid family (which includes cobras) and is considered to be one of the deadliest snakes in the world today. There are three known species of the Taipan, including the Coastal Taipan, Inland Taipan, and the Central Ranges Taipan. Most of the Taipan species are found along the northeast coast of Queensland, as well as the southern sector of Papua New Guinea. It primarily feeds on rats and bandicoots, along with other small mammals. Inland Taipan Bite Symptoms and TreatmentThe Taipan’s venom contains high levels of neurotoxins. One bite from a Taipan often results in paralysis of the victim’s nervous system and clots the blood, preventing an adequate flow of blood through the blood vessels. Headache, nausea/vomiting, convulsions, paralysis, and myolysis are also common results of Taipan bites, with respiratory paralysis setting in anywhere from 2 to 6 hours after the bite. Prior to the development of Taipan-specific antivenom in 1956, only two individuals were reported to have survived the snake’s bite. But the window of use for this antivenom is fairly small, so getting medical help immediately is critical (as with all venomous snake bites, of course!). Blue Krait 2. Blue Krait (Bungarus candidus)
The Blue Krait, or Malayan Krait, is a highly venomous snake of the elapid family. On average, the snake reaches lengths of approximately 3.6 feet and maintains a color pattern of bluish-black crossbands that are separated by yellowish-white interspaces. The Blue Krait is found predominantly in southeast Asia, including Indochina and Indonesia. It primarily feeds on mice, other snakes (including other Blue Kraits), reptiles, and small rodents. Current studies have shown that the Blue Krait prefers fields, holes, and even homes for its habitat. The Blue Krait is also fond of water sources and is often found near rivers, lakes, and ponds. It is also been found that Blue Kraits are primarily nocturnal in their hunting habits. Blue Krait Bite Symptoms and TreatmentThe Blue Krait’s venom is highly potent and consists of extremely powerful neurotoxins that paralyze its victim’s muscular system. The neurotoxins are made up of presynaptic and postsynaptic toxins that are known to directly attack an individual’s ability to speak or think clearly. The Blue Krait’s venom also attacks an individual’s respiratory system, causing suffocation from an inability to breathe within four hours. Other symptoms of a krait’s bite include paralysis, severe abdominal pain/cramps, tightened facial muscles, as well as blindness. Unlike other snakes, such as the Chain Viper, which produce anywhere from 40–70 milligrams of venom in their bite, the Blue Krait produces only 10 mg. Even this small amount, however, is extremely potent and provides the same effects of other venomous snakes listed on this article with only a fourth of their overall levels. Although people often experience no pain from a krait bite (providing them with false reassurance), death is common within four hours if left untreated. Untreated mortality rates for Blue Krait bites are an astounding 70–80%. Belcher's Sea Snake Washed Ashore 1. Belcher's Sea Snake (Hydrophis belcheri)
The Belcher’s Sea Snake, also known as the Faint-Banded Sea Snake, is an extremely venomous snake of the elapid family. Despite its shy and timid temperament, the Belcher’s Sea Snake is considered the most venomous snake in the world. The snake is relatively small in size, with a slender body and a yellow base with green crossbands. It is commonly found in the Indian Ocean, as well as the Philippines, Gulf of Thailand, the Solomon Islands, and the northwest coasts of Australia. It is typically found along tropical reefs and can hold its breath for nearly eight hours before resurfacing for air. Current observations indicate that the Belcher's Sea Snake typically eats small fish and eel. Belcher's Sea Snake Bite Symptoms and TreatmentThe Belcher's Sea Snake is so venomous that a single bite can kill an individual in less than 30 minutes. Studies have also shown its venom to be 100 times the strength of the Inland Taipan snake. Luckily, the snake’s mild manner and temperament often prevent it from attacking humans. Moreover, scientific studies have shown that the snake can control its venom secretion, and only releases venom in a quarter of its bites. The snake’s venom contains high levels of neurotoxins and myotoxins. One drop of its venom is thought to be strong enough to kill 1,800 people. General symptoms of their bite are extreme nausea and vomiting, migraine headache, diarrhea, extreme abdominal pain, dizziness, and convulsions. Other symptoms include paralysis, muscle impairment, extreme bleeding, hysteria, respiratory failure, and renal failure. Although antivenoms exist to counteract the snake’s deadly bite, immediate treatment is crucial for preventing death. Honorable Mention: Saw-Scaled Viper (Echis carinatus)
Though the saw-scaled viper might not have the most potent venom (it is lethal in less than 10% of untreated victims), some scientists believe it to be responsible for more human fatalities than all other snakes combined due to a lack of readily accessible antivenom in the rural parts of this snake's range (Palermo, 2013). Combined with other members of the "Big Four" species (which includes the saw-scaled viper, common krait, Russell's Viper, and Indian cobra), it is currently estimated that nearly 45,000 people die every year from bites inflicted by these species. Found predominantly in the Middle East, Central Asia, and India, the saw-scaled viper is a remarkably dangerous snake renowned for its potent venom that is comprised of procoagulants and nephrotoxins (delivering a devastating attack on an individual's cardiovascular and muscular-skeletal systems, respectively). A single bite is capable of delivering over 18 milligrams of venom, which is three-times the lethal dose for humans (at only 5 milligrams). As such, the saw-scaled viper is a snake that should be avoided at all costs!
If you're bitten by a snake, it's essential that you follow a few crucial dos and don'ts. (Guidelines from healthdirect.gov.) Canva Works Cited
This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional. Questions & AnswersQuestion: Is there a difference between poisonous and venomous? Answer: Yes. Generally speaking, venomous refers to an animal that either stings, bites, or injects toxins into a victim. In contrast, poisonous usually refers to an animal that releases toxins through a non-aggressive means (i.e. from being eaten or touched). And while both venom and poison are considered toxins, venom is only effective if it is allowed to enter a body's bloodstream, while poison is capable of being absorbed through the skin (or from consumption). In short, the difference between the two lies in their molecular composition as well as the means from which they are delivered. Question: What is the deadliest snake in the world? Answer: In regard to venom toxicity (and potency), the Inland Taipan and Belcher's Sea Snake are regarded by the scientific community as the world's deadliest snakes. In terms of the number of deaths inflicted by snakes, however, the Saw-Scaled Viper is responsible for more deaths (annually) than any other species on the planet. Although less-venomous than their Australian counterparts, the Saw-Scaled Viper is extremely aggressive and known to bite thousands of individuals each year. Question: Why isn't the Saw-Scaled Viper #1 on this list? Answer: Although the Saw-Scaled Viper is responsible for more deaths than any other species of snake, its venom toxicity lacks the potency of other snakes on this list (particularly the Inland Taipan and Belcher's Sea Snake). Question: How many venomous snakes are there in the world? Answer: As of 2020, there are approximately 600 venomous snake species in the world. Of these, nearly 200 are capable of delivering medically-significant bites that can be life-threatening (without treatment). Despite these numbers, the vast majority of snakes (totaling 3,600+ different species) are completely harmless to humans. In fact, nearly 83-percent of snakes lack the necessary venom glands to harm a human being. Question: Which snake causes the most deaths? Answer: The Saw-Scaled Viper is responsible for more human deaths than any other snake species on the planet. Although its venom lacks the potency of other snakes (such as the Inland Taipan), the animal is extremely aggressive and is known to inflict thousands of bites every year. Question: Which snake has the deadliest venom? Answer: The Belcher's Sea Snake is widely considered the most venomous snake in the world. Due to a lack of adequate tests, however, this theory has recently came under attack by a number of scholars who claim that the Inland Taipan's venom is the deadliest in the world. Until more research can be performed on both snakes, this debate will likely continue for the foreseeable future. Question: Can a Red-Bellied Black Snake kill you? Answer: Yes. Although the Red-Bellied Black Snake didn't make the top 10 list for deadliest snakes, it is regularly classified as one of the world's most dangerous snakes due to its potent venom. Their venom is comprised of powerful neurotoxins and myotoxins that produce a hemolytic effect on their victim's bloodstream. And while fatality rates are unknown for Red-Bellied Black Snake bites, it is generally accepted that a bite should be considered a life-threatening emergency that requires immediate medical attention. Question: How many venomous snakes are there in the United States? Answer: As of 2020, there exist 21 venomous snake species in the United States. Of these, 16 are rattlesnakes. The most dangerous and venomous snake in the United States is the Mojave Green Rattlesnake, followed by the Eastern Diamondback. Question: How long does it take for a King Cobra's venom to kill you? Answer: Although less venomous than the snakes described in this list, the King Cobra's venom possesses a series of neurotoxins and cytotoxins that are capable of killing a human in approximately 15 minutes (in cases of severe envenomation). Untreated fatality rates for the King Cobra are approximately 50 to 60-percent, whereas treated cases maintain a relatively high mortality rate of 28-percent. © 2019 Larry Slawson What is the number 1 deadliest snake?1. Saw-Scaled Viper (Echis Carinatus) – The Deadliest Snake In The World. Although its venom is not very potent, the Saw-Scaled Viper is considered as one of the world's deadliest snakes as it is believed to be responsible for more human fatalities than all other snakes put together.
What is the 2 deadliest snake?Here are 10 snakes whose venom not only packs a punch for small prey but that can take out humans.. King cobra.. Banded krait. ... . Saw-scaled viper. ... . Russell's viper. ... . Eastern tiger snake. ... . Boomslang. ... . Fer-de-lance. Fer-de-lances are pit vipers from Central and South America. ( ... . Black mamba. Black mambas are Africa's deadliest snakes. ( ... . Which snake bite kills fastest?The black mamba, for example, injects up to 12 times the lethal dose for humans in each bite and may bite as many as 12 times in a single attack. This mamba has the fastest-acting venom of any snake, but humans are much larger than its usual prey so it still takes 20 minutes for you to die.
What are the top 3 most dangerous snakes?We have listed below the top ten deadliest snakes that can take down animals and kill humans.. Boomslang. ... . Eastern Tiger Snake. ... . Saw-Scaled Viper. ... . Banded Krait. ... . Russell's Viper. ... . King Cobra. ... . Coastal Taipan. ... . Inland Taipan. Inland taipans are the number one of the most lethal snakes on the planet.. |
Most deadly snake in the world 2022
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