Compare King Cobra vs Green Anaconda

By | September 24, 2021

Who will win the fight between King Cobra and Green Anaconda?

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The King cobra and Green Anaconda are two of the fiercest reptiles in existence. Whereas these two reptiles are majorly found in totally different parts of the world, a fight between them is something that can’t be easily predicted. The king cobra is known for its deadly poison that can kill huge animals within a few hours. The green anaconda on the other hand is an enormous animal with tough muscles that can crash an animal into death within a few minutes.

The king cobra uses its venom during hunting and for defensive purposes. The green anaconda on the other hand uses its physical strength to hunt and defend itself. This means that it is difficult to predict how a fight between these two animals is likely to go.

King cobra vs Green anaconda Comparison

King cobra vs Green anaconda Comparison

King Cobra Facts and Information

  • Scientific name is Ophiophagus Hannah.
  • Also known as hamadryad.
  • Native to and mostly found in South Asian countries including India, Malaysia, Vietnam, Philippines, Indonesia and southern China.
  • Live in dense rainforests with massive undergrowth.
  • Average lifespan is 20 years.
  • Can grow to a length of 18 feet. Average length is 13 feet.
  • Longest among the venomous snakes on earth.
  • Can weigh up to 9 kg (20 pounds.)
  • Are cannibalistic animals i.e. they sometimes eat other king cobras.
  • Venom works by asphyxiation i.e. shutting down the lungs, heart and nervous system.
  • Carnivorous animals that mostly feeds on other snakes. Their other prey includes lizards, eggs and small animals.
  • When attacking, they normally go for the base of the prey’s neck where they inject their deadly venom.
  • Can raise its head to the height of a fully grown adult human.
  • Have a high-pitched hissing sound that scares away potential attackers.
  • Have enough poison to kill an elephant or between 20 and 40 people.
  • Rarely attack humans.
  • They try to avoid contact with humans but attack when rattled or if they feel threatened.
  • Only snakes that hide their eggs in nests.
  • They are the most popular among snake charmers of South Asian countries.
  • They are deaf and can only ‘hear’ though vibrations on the ground.
  • Generally considered to be more intelligent than other snakes. They showcase alertness and awareness to what is happening in their surroundings.
  • Learn faster than other snakes and able to identify caretakers when in captivity.
  • After mating, a female king cobra can store the sperm for several years before fertilization takes place.
  • Females lay between 20 and 50 eggs in each reproduction cycle.
  • Incubation period is between 60 and 90 days.
  • Hatchlings have an average length of 14 inches.
  • Hatchlings begin hunting after 10 days.
  • Newly hatched king cobras also have deadly venom and are as alert as fully mature ones.
  • Diurnal in nature i.e. hunt during the day and rest at night.
  • Venom from king cobras is used in development of some strong painkillers, tuberculosis medication and cholera medication.
  • Have a better eyesight when compared to other snakes.
  • Color is green, brown, yellow, black or a combination these colors.

Green Anaconda Facts and Information

  • Scientific name is Eunectes murinus.
  • Also referred to as water boa, common anaconda or simply the anaconda.
  • Endemic to and only found in the Amazon and Orinoco basins of South American countries including Brazil, Peru, Venezuela, Colombia, Ecuador, Trinidad, Guiana and Paraguay.
  • Live in swampy and marshy areas with slow moving rivers
  • Carnivorous animals that feed on turtles, deer, caimans, jaguars, wild pigs, birds, capybara etc.
  • Have stretchable jaws that make it possible to swallow huge animals.
  • After a heavy meal they can stay for several weeks or even months without eating anything else.
  • Can grow to length of 30 feet.
  • Can weigh up to 550 pounds.
  • Diameter can be up to 12 inches.
  • They are streamlined and move quickly in water.
  • When hunting they submerge their entire bodies except for the top part of the head where nostrils and eyes are located. This makes it hard for potential prey to see them until they are within striking distance.
  • In the wild the lifespan is about 10 years.
  • After fertilization, eggs stay inside the female’s body.
  • The female gives birth to between 20 and 40 hatchlings
  • Newly born anacondas are about 2 feet long.
  • Normally mate in the months of April and May.
  • Gestation period is about 6 months.
  • Females are way larger than males.
  • Are not venomous. Kill prey by crushing and strangulation using muscles.
  • Sometimes females eat males immediately after mating.
  • Takes about 6 years to reach reproduction age.

King Cobra vs Green Anaconda Comparison Table

AnimalsKing CobraGreen Anaconda
SpeciesO. hannahE. murinus
Average Adult Body LengthAverages at 9.8 to 13.1 ft9.8 ft on average (Male), 15.1 ft on average (Female)
Average Weight13 lb66 to 154 lb
AreaForests from India through Southeast AsiaSouth America
WeaponsAnaconda is not a venomous snake. It uses strong and muscular body to kill its prey.Venomous fangs have half an inch in length. With just one bite, cobra can kill large elephant.
Average Life Span20 years10-12 years

The duel between King Cobra vs Green Anaconda

Though the two animals have never been brought together for a fight, each one of them is a tough fighter with unique defensive mechanisms. They are adapted to different geographical and climatic conditions. This means that the location of the fight may determine the outcome of the fight.

The massive size of the anaconda makes it a potential winner. It will coil itself around the king cobra before squeezing it to death. Even if the cobra is relatively big compared to other reptiles, an anaconda has strengthened muscles with a grip that will strangle the cobra to death.

The king cobra is the kind of animal that will not give up that easily. Even if the anaconda is huge and strong, a cobra will put up a fight that may last for several hours. Cobras also have a deadly venom that will work to its advantage. If it manages to bite the anaconda, it will kill the anaconda within a few minutes or hours. As much as the anaconda is a massive animal it is not immune to the venom coming out of a king cobra.

In short, the anaconda can only win if it is fast enough to strike and crash the king cobra without being bitten. Otherwise the king cobra will win.  The king cobra is also very fast when compared to other snakes. It would be therefore hard for an anaconda to outpace a king cobra. This may also work to the advantage of the cobra. If the cobra manages to bite the anaconda, the cobra may run to safety while leaving the anaconda for death.

It is also possible that both of them will die during the battle. The king cobra will die of strangulation will the anaconda will die of the venom from the cobra.

Videos of King Cobra and Green Anaconda

64 thoughts on “Compare King Cobra vs Green Anaconda

    1. Michael siebert

      It’s easy to know who wins this fight, just as in anything in life experience is the most important factor to health in a fight between these snakes, but chance is in the cobra, And it’s simple, if the cobra bites the anaconda the anaconda will die 100% certain. Chances are they both die, the anaconda will grab the cobra wrap it up and crush it to death so easily it would be like a human crushing a mouse. But the king cobra will bite the anaconda and several min after the death of the king cobra the anaconda will die, So why chance is in the king cobra is it’s needs to bite and flee and the king cobra wins, the anaconda has to bite and then wrap it’s body around the cobra which is actually two events and the anaconda isn’t an experienced snake fighter like the cobra leaving experience, and events the factors in evaluation. The king cobra wins outright 50% of the time they both die 40% and the anaconda wins 10% if the time, please add the factors do the math and see the answer. you will see a dead anaconda.. Sorry folks. Mike

      1. Christian

        Here’s my idea if they did see each other which Is very unlikely cuz andaconda is very sneaky they would be like nawwwww unless the andaconda knew it chould win or if it would sneak attack I’m total sense it’s a 51/49 the andaconda might not have an advantage besides being sneaky so I see it as andaconda 51 king 49 in water andaconda 100%

    2. adam novak

      no the green anaconda is the biggest snake in the world it can eat a human in one gulp. fun fact green anacondas con grow up to 50 feet

  1. Orcacrusher333

    Female anaconda wins she’s 30 feet and has a squeeze force of 19000 psi and Anaconda stronger than elephant and kingcobra.kills with venom and an anaconda.has more bite force

    1. Harmeet Singh Bons

      No, if anaconda first bites him then jaguar can’t do anything because anaconda have a special attack that he crushes every thing in one time.
      But if jaguar attacks on the head of anaconda then anaconda will die.

  2. Tony/Aka

    Jk, anaconda could take a jaguar. But a king cobra will not beat the thing that is 25 times heavier. How about the anaconda just lay down on it, and crush it.

  3. Tony/Aka

    Jk. Anaconda would take jaguar. But a cobra?! Are you serious?!

    1. James W.

      You are now the “joke” – here..

      Jaguar naturally preys on anaconda & other large reptiles..

      The King Cobra is a snake hunter-killer too, but would only hunt
      a smaller anaconda for food, since even if it could kill a large one,
      it could not swallow it whole.. while a big cat will rip a large snake apart..

      1. James W.

        Try & get some education..
        Cats, many of which – include snakes as prey, do specifically target the head..

        Even my pet housecat does so – when he hunts the local venomous snakes..
        ( I’d rather he didn’t proudly bring them indoors to show me them, though).

        Cats have highly evolved eye-to-muscular coordination/ rapid reaction times,
        & proprioception facilities, enabling them to beat the striking speed of snakes..
        ..then attack with their own quicker paw strikes, so – once the snake is beaten down,
        application of a killing bite to the head , &/or severing the vertebrae – is duly made..

    1. James W.

      No Tiny..
      K-C is a specialized snake killer..
      K-C venom can kill an elephant – let alone an anaconda..

      1. dragonking

        what kind of snakes can it kill i know more about then you can dream of

  4. James W.

    Small cats – which have a long history of hunting snakes..
    ..have developed a natural resistance to snake venom..
    & this indeed – still applies to domestic cats, too.
    There are many youtube clips of housecats dealing to snakes.

    As for the anaconda being resistant to K-C venom, I doubt it..
    K-C’s would hunt a partly grown anaconda, as they do pythons..

  5. rob

    My money would be on the cobra. One bite and the Anaconda is dead within a matter of minutes. If the Anaconda did manage to get the cobra in a death squeeze,the cobra could still bite.

  6. Aka/Tony

    A anaconda would just crush the puny Cobra with it’s weight. According to you, a mega-fat 1,800 pound will laugh at a tigers efforts to kill it, yet you think a 20 pound king cobra will beat a 500-550 pound anaconda. Anaconda>Cobra Tiger>bear in my opinion.

  7. Aka/Tony

    Anacondas are extreme killers, can kill a jaguar (they hunt each other, but i’d probably say jaguar>anaconda). Anacondas are known to reach 500-550 pounds. King cobras are roughly 20. Also the cobra can’t bite if the huge anaconda encircles it’s neck, where it can’t bite the cobra, due to the head moving with the neck. Anaconda’s are stronger, have more stamina, way bigger, hunt more dangerous prey, they feed on jaguars for peats sake. The biggest thing a cobra hunts are pythons. Also anacondas are more fierce, more dangerous. They’re also lightning fast when they want to be, also they have a squeeze force of 19,000 psi. So the anaconda defiantly has the upper hand over a king cobra. It’s just a true killer.

  8. rob

    come on Tony, you are sounding like James now. Bears are not venemous like Cobras. A cobra can still bite before he’s enetered into a death squeeze. Cobras have been known to kill elephants and lions with a bite. A 500 Lb Anaconda would succumb in minutes.

    You have accused James ( truthfully) I might add, but the last few posts sounds like you are coming off as a tiger fan boy. If that’s the truth, you are no more intelligent than he is. Once again man, you are better than this.

    Do some research. A 1800 Lb Kodiak is neither fat nor slow. They are big,bad,and mean. A tiger half or 1/3 their weight cannot match them in Stamina,Size,bite force, paw force,nor size. You know this already man. Once again, you’re better than this. I’m starting to believe you are an alternate acct. of James. Prove me wrong,but you sure sound like it

    1. James W.

      you & tiny..L.O.L…
      Bears are big fat buffoons, no way could they beat a snake or croc in strike speed..
      ..either to avoid, or apply a deft, powerful counter-strike..
      ..but cats can, & do..

      The really big boys, lion & tiger – can & do so routinely – to big prey animals ..
      & strike/parry with much greater speed, accuracy, power, & weaponry..
      than any stumble-bum, pig-eyed, fish-flippin’ fat-as bear. can or does..

      That you seem to be wilfully blind to facts about basic cat capabilities,
      esp’ with regard to anatomical, musculo-skeletal, sensory & endocrine
      powers – all way in evolutionary advance of the bear – for killing prowess.. real weak rob,
      & so you are lost, gone..way too far.. into troll-mode, eh, fella.

    2. Aka/Tony

      How am I a tiger fanboy if I admitted the tigers defeat to a polar bear? I think the anaconda would win because it’s 500 pounds! Cobra is 20. Supporting an animal in a fight does not make me a fanboy.

  9. rob

    Again why do you keep saying kodiak and polar bear?

    Because it’s the truth. They are the largest sub species of the Ursidae family. Research would tell you this

  10. rob

    How am I a tiger fanboy if I admitted the tigers defeat to a polar bear? I think the anaconda would win because it’s 500 pounds! Cobra is 20.

    Cobra is also armed with neurotoxins that an Anaconda would have no rresistence too. When you debate an animal armed with venom vs one with a size,strength,stamina advantage, it’s a totally different debate. All the cobra has to do is spit venom into the anaconda or place one single bite. If he does, it’s game over

  11. rob

    July 16, 2017
    But the fast anaconda could easily crush it with it’s weight.

    Anacondas aren’t fast though. Even if they get the cobra in a death squeeze, the cobra will still be able to bite the anaconda. Size doesn’t matter when one participant has enough poison to drop an elephant, That isn’t the Anaconda young man.

    1. dragonking

      size dosnt matter when one participan has enogh poison to drop an elephant

      1st its venom 2nd you are wrong its possible for the anaconda to the cobra and kill it instantly or hit and shatter the king cobra

  12. James W.

    Jeeze kid..
    What makes you even imagine..
    ..that a fat-as anaconda could ever out-manoeuvre an athletic K-C?
    K-C’s are professional snake killers, so the advantage is def’ with it..

  13. rob

    But the according to you size matters a lot, as it does here.

    No Tony, when one combatant has enough venom to drop an elephant, size doesn’t matter. it does when it’s a lion vs an elephant, but the lion is not venemous. Use common sense young man. You are getting sidetracked.

  14. rob

    Tony, I suggest you google box jellyfish or cone snail. This is a good example of why size doesn’t matter if one combatant is venemous. The Box Jelly fish is nearly microscopic in size. The cone snail or blue ringed octopus can fit in the palm of your hand. The same with the funnel web spider. If either of these bite you, 6 pallbearers would be carrying your coffin

  15. rob

    I say it would be a tie. The venom throughout times will kill the anaconda, but the anaconda will adventually get ii/crush it or just give the cobra a death squeeze.

    perhaps, but keep in a cobra can also spit venom from up to 7 feet away from their target. If that venom hits the eyes or the open mouth of the anaconda, it’s taking a dirt nap.

    1. James W.

      Too funny, usual.. don’t even know how envenomation works.. L.O.L…

      Sure, a ‘spitting cobra’ can spray venom into eyes, & may cause blinding..
      ..but to kill, venom must enter the body system directly, which is why – it is injected,
      & unless you had a major cut in your mouth to allow entry, you could gargle with the stuff..

      Curiously, the big cats are, (unlike the smaller felids) fairly vulnerable to snake venom,
      ..likely due to such snakes not being a usual prey item.. unlike the python, which they do hunt..

      Even the fattest anaconda would be readily snapped up by the real big panthera boys, lion & tiger..

      1. James W.

        ..try again kid..
        Rarely, an anaconda might grab a jaguar cub,
        ..but if the mother jag finds the snake, it’ll kill it, for sure..
        Big male jags actively hunt such snakes..

        FYI, my pet housecat adeptly hunts brown snakes, amongst others..
        & even the smallest ones – are still highly venomous..

        1. James W.

          & Tony..
          get real, kid..

          Even leopards..
          ..actively hunt huge pythons, both in Africa & Asia..
 such, these snakes are just a snack for the really big cats..

          & kid, no way known.. do anacondas get anywhere near as big..
          – as adult lions.. dunno where you got that dumb-as idea from..

      2. James W.

        Funny kid..
        The beach approach paths through the sand dunes over here..
        ..have signs warning about being aware for brown snakes,
        & I’ve seen sea snakes washed up on the tide-line too..

        The fortunately rare – taipan – is a venomous problem,
        due to lack of readily available antidote treatment..

        There are some big pythons over here too, which will take dozy
        pets if they can sneak up on ’em.. & big ‘ salty’ crocs too..

        Unfortunately, the big crocs down here are now dangerous to humans,
        due to being fearless.. after enjoying 40+ years of being protected from
        human hunting, & of course, with no lions here, unlike in Africa
        – to keep the scaly buggers – in line & circumspect, either..

        1. Aka/Tony

          I guess you live in Australia. Sea snakes don’t wash up on the other side of the earth! You’re pet cat wouldn’t stand a chance against a brown snake, which lives in Australia. So this proves you’re making up hoepless lies.

  16. rob

    If any of them came across a hungry Australian brown or sea snake, they’re as good as dead!

    A hungry snake will never kill an animal to satisfy their hunger if the prey is too big. They only strike those types out of fear and self defense. A King Cobra can kill a 450 Lb. Lion,but they won’t be able to eat them. In this type of confrontation, the Cobra merely wants to be left alone.

    1. James W.

      Jeeze kid..
      Just too lazy to check it out..

      No snake the Harpy eagle might encounter..
      ..can or will – do anything to protect its slithering offspring..

      The only snake known to provide any kind of support for its
      “babies” is the African python, which may allow its squirmy brood
      to crawl up close in its lair, for warmth, when it gets cold overnight..

  17. rob

    Hey rob!
    You’ve actually posted something sensible.. bizarre..
    So now rob – do try & make a habit of it..

    James, I’ve posted nothing but the truth since I’ve been here. I’ll ask you to do the same. Tony is showing his lack of knowledge on venomous animals on this thread. You know I’ve posted credible evidence a Kodiak Grizzly would defeat a Lion or Tiger. I’ll keep posting more, but that’s another thread. A Blue ringed octopus or a Cone snail would drop any Kodiak or Polar bear that walks the earth. The same with a Cobra or Fierce ( Inland Taipan ) snake.

    The above said, the Cobra, black mamba or Inland Taipan is no match for a mongoose. The latter’s reflexes are just too fast for the snake to land a fatal bite. The Mongoose will toy with the snake until it makes a mistake. When they do, the mongoose will pounce and give a fatal bite to the neck and then consume their prey. Nature is beautiful. It’s all a system of checks and balances. Every animal has an achilles heel. It’s us humans that upset that balance.

  18. James W.

    you have to admit,
    you’ve done far too much trolling..
    now the kid’s taken over, it good you’re giving it a miss..

    But seriously ‘ The Great Bear Alamanac’ & the like, are just trash..
    If you check actual scientific appraisals of exactly how much more highly
    evolved cat morphology is – at a primary killer carnivore role – than a bears..

    Like how the skull/jaw/teeth arrangements with muscle & leverage favour
    the lion with far more killing power/capability than the general purpose bear..
    ..then you’ll learn.. the bear is really no match.. for the true top carnivores..

  19. rob

    What do you mean? I thought we bother agreed it would be a tie!

    only if and only if the anaconda got the cobra in a death squeeze at the same time preventing a strike. That’s not going to happen, A cobra and black mamba are too fast and quick. Once the bite is applied, the 300 lb Anaconda would be dead within 10 minutes

  20. rob

    Without venom, the king cobra cannot defeat a anaconda.

    but they do have venom. If my aunt had balls,she’d be my uncle.

    Like you said, it will take a while for the poison to kill the anaconda because poison doesn’t kill you right away

    no Tony, the neurotoxin begins to work immediately. The Anaconda isn’t going to behave like normal for 20 minutes before the effect takes place. Muscle fiber begins to atrophy once venom is injected.

    if the cobra spit venom into the anacondas eyes, it could still sense the cobra.

    Eyes are still mucous membranes.Absorbtion is one of the ways poison can be applied.

    Try again

  21. James W.

    Too funny!
    The huge snake:
    “…walks up…”
    How, its a snake.. It has NO LEGS!
    You just have no idea, do you – kid..

    The KC is a specialist snake hunter-killer.. is far quicker in reacting & more mobile..
    & it makes its living around huge pythons,
    easily avoiding them, while still taking their young..

  22. rob

    The anaconda doesn’t need to encircle the cobra, he simply crushes it with it’s weight. The poison won’t kill him right away. It’s simple. He walks up to the cobra, and crushes it. Then they both die!

    No Tony, james may be sarcastic, but he is right here, The anaconda is slow and lumbering. The Cobra strikes with lightning speed. You are right that poision won’t kill him in a matter of seconds. You’re wrong when you think a cobra will act normally until the poison takes affect. Once he’s bitten, the Anacondas muscles will begin to atophy. He’s useless at this point. He’s not going to think how do I kill this cobra. He’s going to think why do I feel this way. He’s simply going to slither away and die within 1/2 an hour

  23. James W.

    jeeze kid..
    why are you are being so childish?
    Next.. you’ll have the anaconda..
    ..”suck so much” venom out of itself..
    ..that it can just shrug off what will kill.. elephant! L.O.L…

    1. James W.

      Try to comprehend..
      Smaller cats which have been snake hunters for untold generations..
      ..have developed a natural resistance to snake venom..
      & they are taught how to hunt & use their feline attrbutes accordingly.. their mothers, who learned the skills likewise..

      Lions are very adaptable to learning the skills to prey on a very large..
      ..variety of animals, & generally prefer bigger ones – which can feed the pride..

      Since there is not much meat for even a 1/2 grown lion in a venomous snake,
      & due to the risk, female lions teach their cubs to avoid them, as not worth it..
      Venomous snakes avoid big cats too, since they can gain nothing from a fight,
      & do not want to risk being harmed, either..

      However, big cats do hunt very large snakes, & have both the reaction times to
      beat snake striking speed/the ability to counter-strike & body muscular flexibilty
      plus strength – to cope with constriction attempts, even by real big snakes..
      & flexibilty

      1. James W.

        Jeeze kid..
        just drop your ignoramus ‘opinion’..
        & go look it up..

        As for how small cats take venomous snakes..

        There are heaps of examples on youtube..
        ..such as ‘bobcat vs rattlesnake’..

  24. rob

    He’s right next to the cobra one move onto the cobra and he’s going down. The anaconda might not even realize he had poison inside him in one second, and it only takes one second to kill it.

    No Tony, A cobras venom takes effect immediately. I don’t care how big and bad you are, if you get struck by a cobra, you know it.

    I used to have a lot of faith in you. You really are no different than James. You have a stubborn one track mind that is already made up.

  25. rob

    You’re still wrong about tiger vs bear. I don’t see why you just don’t get it.

    I think the same about you. You have said and I quote ” A Tiger stands no chance against a Polar Bear”

    The average Tiger weighs only 150 Lbs more than a lion. You’ve made several statements dissing the Lion. I can look them up if you desire 😉 . I can bury you Tony. Don’t make me do that.

    A Tiger is not going to beat a Kodiak Grizzly or Polar Bear. Take off your tiger boy shades and do research. You can also use common sense.

  26. Goldie

    Ok first of all there are no 500lb Anacondas…this isnt a hollywood movie….those are myths. The largests anacondas that have been weighed are around half that size (250lbs). So if an adult Cobra was to face an adult Anaconda….in reality itd be facing about a 200lb snake. But for arguement sake lets say it encountered an Anaconda that was a 1000lbs. The Anaconda is still nothing to an elephant as the AVERAGE elephant weighs 12,000 lbs… so about 24x larger than your mythical 500lb Anaconda. However it takes an elephant a few hours, a human about 15 mins. So a 500lb Anaconda would probably last 30-45 mins before it died but make no mistake if the Cobra bite it (which would almost certainly happen) that Anaconda is done. What happens next determines the winner. If the Cobra can escape which is probably can due to its much smaller size, its a Cobra victory. If the Anaconda did get a hold of it, it would make short work of it…then itd crawl into a hole a die.

  27. AP

    Generally speaking, I would put my money on the Anaconda. It’s true that the Cobra’s venom could kill the Anaconda, but it would take time for the venom to go through the Anaconda’s body. The Anaconda may die due to the venom a few days later though

    1. James W.

      The ‘conda would still have to catch the cobra..

      Cobras live in the same habitat as large pythons,
      but does the cobra feature in the python’s list of usual prey?

      I dunno, but I doubt it, since even while swallowing the cobra
      whole, the ‘conda might still risk being envenomated by its fangs,
      – as it goes down inside..


    James.Wicked wizard of the web: you are just tooo biased toward felines. Try to call it a day.
    Now for the fight. In water the anaconda would possibly win because it if more adapted. On land, it is a 50/50 since the cobra’s venom is a force to be reckoned with and the anaconda has a clear advantage of mass and size.
    onland: 50/50
    inwater: conda:54 cobra 46


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