Anaconda vs Komodo Dragon vs King Cobra: Who Would Win in a Fight?

Written by Kyle Glatz
Updated: March 4, 2023
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The world is packed with reptiles of all shapes and sizes. These animals can be somewhat placid or incredibly dangerous. We know the power of large snakes like the anaconda, the deadliness of the king cobra’s venom, and the vicious attacks of the Komodo dragon. Yet, we don’t know what would happen if the three of them were caught up in a vicious three-way fight. That’s why we’re going to look at an anaconda vs Komodo dragon vs king cobra fight and determine the winner.

We’re going to examine each of these animals from several perspectives and see which of them has what it takes to kill the other two!

Comparing an Anaconda vs Komodo Dragon vs King Cobra

King Cobra vs Komodo Dragon vs Anaconda
A battle of king cobra vs Komodo dragon vs anaconda would pit three deadly reptiles against one another.
AnacondaKomodo DragonKing Cobra
SizeWeight: 250lbs -550lbs Length: 17-22 feet Diameter: 12 inchesWeight: 150lbs – 300lbs Height: 1.5ft-2ft
Length: 6ft-10ft
Weight: 10lbs-15lbs Length: 10ft-19ft
Speed and Movement Type– 5 mph on land
– 10 mph in the water
– 11 mph top speed– 5 mph
– Slithering along the ground
Attacking Methods– Pit organs help identify heat from prey – Powerful bite for grasping
– Immensely powerful constriction that kills by stopping the prey’s heart while causing internal damage
– Uses Jacobson’s organ to smell and process chemicals.
Possibly venomous
– Sharp claws hold prey in place
Sharp teeth lead to exsanguination in victims
– Good eyesight
– Use their tongues and Jacobson’s organ to smell and taste their environment and find prey from miles away  
– Will lift the front of its body several feet from the ground and then strike, allowing it to deliver venom in the vital areas
– 0.5in fangs
Long fangs deliver up to 1000mg of venom
– A single bite can kill 11 humans
Defenses– Their eyes on their head allow them to skim the surface of the water
– Swims in water
– Large size
– Camouflage
– Hard skin with strong scales that are reinforced with bony deposits called osteoderms
– Speed
– Large size
– Threat display
Predatory Behavior– Ambush prey in and out of water
– Bites and holds prey while coiling around them and constricting.
– Ambush predators
– Tries to knock down and bite vital areas on prey, typically the neck.
– Ambush predator that waits for prey in tall grass or crevices

What Are Key Differences Between an Anaconda, a Komodo Dragon, and a King Cobra?

What Eats Snakes

King cobras

are snake-killers with powerful venom

©Vova Shevchuk/Shutterstock.com

The greatest differences between an anaconda, Komodo dragon, and a king cobra are their size, morphology, and methods of attack. Anacondas are large snakes that can weigh up to 500lbs and constrict their prey; Komodo dragons are large monitor lizards weighing up to 300lbs that exsanguinate their victims; king cobras are long snakes that reach lengths of 19ft but weigh 15lbs and use deadly venom to dispatch their foes.

These animals have very few similarities despite two of them being snakes and all of them being reptiles. Nevertheless, we’re going to take a closer look at the advantages that each animal has when they enter this fight. By looking at all the important factors, we’ll know the winner.

What Are the Key Factors in a Fight Between an Anaconda, Komodo Dragon, and King Cobra?

Are Komodo dragons poisonous or dangerous?

Komodo dragons

are powerful, somewhat venomous, and highly aggressive

©GUDKOV ANDREY/Shutterstock.com

How can we decide the winner of a battle between an anaconda, Komodo dragon, and king cobra? We must examine several different elements of these creatures. By examining and comparing their size, speed, attacking methods, and other factors, we’ll have a complete look at all three animals.

Using that information, we can see which of them is deadliest and could successfully defeat the other two.

Anaconda vs Komodo Dragon vs King Cobra: Size

The anaconda is larger than the Komodo dragon and king cobra, weighing up to 550lbs, growing 22ft long, and having a diameter of about 1ft. The Komodo dragon is the next largest animal, weighing upwards of 300lbs, standing 2ft tall, and measuring up to 10ft long including its tail. The king cobra is a long snake that weighs 15lbs and grows up to 19ft long.  

The anaconda has a serious size advantage over both creatures, but the Komodo dragon is also large and powerful.

Anaconda vs Komodo Dragon vs King Cobra: Speed and Movement

close up of a king cobra

The king cobra is the longest venomous snake but its just a fraction the size of Komodo dragons and anacondas.

©iStock.com/takeo1775

The Komodo dragon is faster than the king cobra and anaconda. The Komodo dragon can reach a top speed of 11 mph, but the two snakes can only move at about 5 mph over short distances. The anaconda and Komodo dragon are both swift in the water too.

The Komodo dragon is the fastest animal of the three.

Anaconda vs Komodo Dragon vs King Cobra: Attacking Methods

Komodo dragons will engage in battles with one another.

©Sergey Uryadnikov/Shutterstock.com

All three creatures have powerful methods of attack. The anaconda waits for its prey beneath the water and then lunges forth to bite at the enemy. Once it has latched on, it will start wrapping around the prey, constricting it while pulling it into the water in some cases.

The Komodo dragon is the world’s deadliest lizard and a highly dangerous killer. The lizard has a form of venom that increases blood flow from the wounds it causes by biting and tearing into its prey. The Komodo dragon has no qualms about eating an animal while it is still alive.

The king cobra is deadly, capable of issuing a single bite that has enough venom to kill 11 human beings or even an elephant. The snake’s massive venom delivery is aided by its ability to lift its body off the ground and strike tall creatures and small ones alike.

All the animals are capable of attacking and killing their prey in dominant fashions.

Anaconda vs Komodo Dragon vs King Cobra: Physical Defenses

Yellow Anaconda

Anacondas can grow to impressive weights that are unrivaled by any venomous snakes.

©Chris Tefme/Shutterstock.com

The Komodo dragon has very good physical defenses against enemy attacks. The lizard’s skin is scaly and reinforced with osteoderms, bony deposits that help to avoid damage like bites from other creatures. These lizards also use their speed as a form of defense.

The anaconda has its very large size, ability to swim in the water, and camouflage to keep it safe from harm and allow it to strike from cover.

The king cobra does not have many great defenses. The animal has a threat display that scares off other creatures that know what it means, but it only has its speed to protect its light, relatively slow body from harm.  

The Komodo dragon has the best defenses of all the animals.

Anaconda vs Komodo Dragon vs King Cobra: Predatory Behavior

Anacondas and king cobras are ambush predators. They wait until the opportune moment to attack their foes. The anaconda wraps up its prey and destroys its circulatory and respiratory systems while sometimes dragging its prey into the water.

The king cobra attacks with a powerful venom that leaves its foes dead in just a few minutes in most cases. However, larger creatures can live for a longer time after sustaining a bite. Very few animals are resistant to the king cobra’s venom, and none of the competitors in this fight will be.

The Komodo dragon is an opportunistic predator that uses an ambush to start the fight, but it also harries prey if it doesn’t land a swift kill. Although they do ambush their prey, they have no problem using persistence predation to wear down and bleed out their foes over time.

All these animals are great predators, so nobody is getting an advantage in this situation.  

Who Would Win in a Fight Between an Anaconda, a Komodo Dragon, and a King Cobra?

What Do Anacondas Eat - Yellow Anaconda Eating a Rodent

Anacondas are large, intimidating, and powerful animals that are hard to take down

©Ariawesomeness/Shutterstock.com

The anaconda would win a fight against a Komodo dragon and a king cobra. However, the large snake would not fight all the foes at once. The chances are good that neither the Komodo dragon nor the king cobra would want to attack the anaconda to start the fight, so the battle would start between the Komodo dragon vs king cobra.

In this case, the Komodo dragon has the speed, defenses, and power to take down the king cobra. The snake may land a bite, but it might not penetrate the scales and osteoderms. Even if it does, the Komodo dragon has the aggressiveness to end the fight with a few swift bites of its own.

That leaves just the Komodo dragon vs anaconda. We’ve seen this fight before, and it doesn’t go well for an adult Komodo dragon against an adult anaconda. If the Komodo dragon has already been envenomated, the fight is going to be short. It won’t have the power to resist those initial bites by the anaconda as it grabs onto the lizard’s body and starts to wrap around it. Even if the Komodo dragon is healthy, it can’t do enough damage to the large snake before it wraps it up in a deadly embrace.

Of course, the fight could start with the king cobra vs anaconda matchup. In that case, the anaconda probably still comes away alive. The larger snake would kill the cobra and then the Komodo dragon in succession.

In this case, the king cobra could land a bite on the Komodo dragon and the anaconda. Either the anaconda or the Komodo dragon would finish the cobra before battling each other. This would be a battle of the wills, that likely ends with the anaconda wrapped around the lizard, unable to eat it as they both succumb to venom.

Can Anyone Beat the Anaconda?

Anaconda snakes are one of the largest and most powerful predators in the world, and in real life, they have no natural predators after they turn two years old. They can grow up to 30 feet long and weigh more than 500 pounds! With their muscular body, sharp teeth, and strong coil-like grip, it would be difficult for any animal to win a fight against an anaconda snake.

There is no easy answer as to which animal could prevail in such a battle! It all depends on the size of both animals, their strength and speed, as well as other factors such as terrain or environmental conditions.

For example, if two large animals were pitted against each other, say a jaguar versus an anaconda, it’s likely that the jaguar’s agility would give it an edge over its slithering opponent. On the other hand, smaller animals like wild boars or tapirs may not fare so well against this giant reptile due to their lack of size and power. Ultimately, when considering what animal could win in a fight against an anaconda snake, much like any fight between two living creatures, there’s just no telling who will come out victorious!

The photo featured at the top of this post is © mrjo/Shutterstock.com


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About the Author

Kyle Glatz is a writer at A-Z-Animals where his primary focus is on geography and mammals. Kyle has been writing for researching and writing about animals and numerous other topics for 10 years, and he holds a Bachelor's Degree in English and Education from Rowan University. A resident of New Jersey, Kyle enjoys reading, writing, and playing video games.

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