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Depends to some extent on whom you talk to, but it would appear that a jellyfish common to warm waters of the South Pacific called the Box Jelly or a relative, the Sea Wasp are the deadliest. (There's a spider in Australia that I wouldn't want to run afoul of. The male Funnel-Web Spider can inject a venom that, if left untreated, can kill in a few hours. Even if successfully treated, recovery often takes several days -- sometimes weeks.) wrong!!!!! The most poisonous animal in the world is a type of tree frog known as the poison arrow frog The dictionary definition of venom: "The poisonous fluid that some animals, as certain snakes and Spiders, synthesize and introduce into the bodies of their victims by biting, stinging, etc." The question didn't ask for the most poisonous creature in the world... it asked for the most venomous. The Poison arrow frog secretes a highly poisonous fluid from its skin. It neither bites nor stings, and it doesn't inject its secretions. It's toxic -- not venomous. However, I admit that is, to some extent, splitting hairs. However, I doubt if its secretions are more toxic than the venom of either the box jelly (Chironex fleckeri) or sea wasp (Chiropsalmus quadrigatus). The amounts they inject are extremely small, but they can kill very very quickly and very painfully. Nevertheless, if you want to delve into poisons I think you'll find that the most poisonous creature is the bacterium known as Clostridium botulinum... Its secretion - the botulism toxin - is so powerful that a single ounce of the purified crystal would kill every human on the face of the earth.

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Why is the banana spider the deadliest spider in the world?

The banana spider, also known as the Brazilian wandering spider, is not the deadliest spider in the world. While their venom is potent, causing severe pain and potential complications, fatalities from their bites are rare. Other spiders, like the Sydney funnel-web spider or the Brazilian wandering spider, are considered more dangerous to humans in terms of venom toxicity.


What is the two most deadly spiders to humans?

The two most deadly spiders to humans are black widow spiders and tarantula.


Are woodlouse spiders dangerous?

i think the dangerous spider is the black widow.In a book i read it wrote that the black spider you can get really sick.There are many dangerous spiders. Do you want to know what is a dangerous spider or what is the most dangerous spider??A Black Widow is a dangerous spider so is a Red Back or a Funnel WebThe Brazilian wandering spider has a highly toxic venom along with the Australian funnel-web spiders, both these kinds are considered the most dangerous spiders in the world.


Are yellow spiders poisonous?

Most yellow spiders are not poisonous to humans. However, some species, like the yellow sac spider, may have venom that can cause mild reactions in people. If you are bitten by a yellow spider and experience severe symptoms, seek medical attention.


Are funnel web spiders poisionous?

Most are not but one member of the genus, the hobo spider, is considered to be 'medically significant'. Funnel spiders in Australian, unlike their North American cousin are very poisonous and can cause serious illness and in some cases death. If bitten, an anti-venom is needed. The poison is more toxic to humans (primates) than other mammals. Cats and dogs, if bitten, appear to have some for of immunity to the poison. -------------------- The Sydney Funnel-Web's venom is the second deadliest spider venom in the world. It's known to kill in under a hour after the bite. However, they've created an anti-venom.

Related Questions

Are most spiders venomous?

No, most spiders are not venomous. Only a small percentage of spider species have venom that is harmful to humans.


What are some spiders that just bite?

No spider 'just bites'; if a spider bites, it injects some amount of venom, even if most of the time that venom is not poisonous to humans.


Are spiders poisonous to humans?

Spiders are not poisonous to humans. However, some spiders have venom that can be harmful if they bite, but most spider bites are not dangerous to humans.


Is a black and white jumping spider poisonous?

Although all Spiders have venom, few of them have venom potent enough to seriously hurt a human. It's also uncommon for a spider to bite a human. They need to be provoked which is usually caused by accidentally pressing against them, sitting on them, or rolling over on to them in bed. I have handled hundreds of jumping spiders and I have never been bitten. Most are small and can not open their fangs wide enough to bite into skin.


Why is the banana spider the deadliest spider in the world?

The banana spider, also known as the Brazilian wandering spider, is not the deadliest spider in the world. While their venom is potent, causing severe pain and potential complications, fatalities from their bites are rare. Other spiders, like the Sydney funnel-web spider or the Brazilian wandering spider, are considered more dangerous to humans in terms of venom toxicity.


Why is the Brazilian Wandering Spider the most dangerous spider in the world?

These spiders are extremely aggressive have very toxic venom, which is both necrotic (causes tissue death) and neurotoxic (attacks nervous system). Most toxic spiders' venom is either necrotic or neurotoxic, not both.


What is the two most deadly spiders to humans?

The two most deadly spiders to humans are black widow spiders and tarantula.


Is a black and white lynx spider poisonous?

all spiders are venomous. but there are only two spiders in north America that have venom that can seriously harm a human, the black widow, and brown recluse, aka violin spider, and fiddleback. the green lynx spider is not venomous to humans though, but it does hurt to get bit!


Which is the most dangerous Nourth American spider?

The most dangerous North American spider is the Black Widow spider, because it has a potent neurotoxic venom which can cause harmful effects in both humans and animals.


Does Bulgaria have poisonous spiders?

ALL spiders have venom to kill their prey but most spiders venom is not too harmful to humans


Are banana spiders venomous?

"NO, I believe that the Black Widow is still the most dangerous" Incorrect, the banana spider, also known as the Brazilian wandering spider, is THE most deadly spider in the world. though the black widows venom is more toxic then rattlesnake venom, 0.006mg of banana spider venom WILL kil a 20g mouse. besides the funnel web spider kills more people and is more aggresive then the black widow.


What are the poisonous spiders called?

blackwindow to be certain is one of the most posines spider if bitten must get rush help because the venom of the spider could kill you and put you in a comam