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Wednesday, January 16, 2013

5 most deadliest animals

Hello internet. The question I'm going to answer is "What are the 5 deadliest animals in the world?" Well, I'll tell you and some more. That's right. I'm telling not 5, but 8!

The Box Jellyfish drifting about
1. The Box jellyfish (Chironex Fleckeri). The Box Jellyfish is highly venomous, while one sting could kill you in a hour or less. The tentacles have 500,000 cnidocytes, containing nematocysts, a harpoon-shaped mechanism that injects venom into the victim. However, I should have said the world's most venomous and treatable animal. That means that, yes, the venom is dangerous, but only if left untreated. By the way, sea turtles are unaffected by the stings, and are the predators of Box jellyfishes.could kill you in a hour or less. The tentacles have 500,000 cnidocytes, containing nematocysts, a harpoon-shaped mechanism that injects venom into the victim. However, I should have said the world's most venomous and treatable animal. That means that, yes, the venom is dangerous, but only if left untreated. By the way, sea turtles are unaffected by the stings, and are the predators of Box jellyfishes.



The Blue-ringed octopus swimming
2. The Blue-ringed octopus (Hapalochlaena lunulata) The blue-ringed octopus is 12 to 20 cm (5 to 8 in), but its venom is powerful enough to kill humans. No blue-ringed octopus anti venom is available yet. The octopus produces venom containing tetrodotoxin, the major neurotoxin component of blue-ringed octopus venom was later found to be 10,000 times more toxic than hydrogen cyanide. Tetrodotoxin blocks sodium channels, causing paralysis and respiratory arrest within minutes, leading to cardiac arrest due to lack of oxygen. The toxin is made by bacteria in the salivary glands of the octopus. Their venom can result in nausea, breathing difficulty, heart attack, total paralysis, blindness, and can lead to death within minutes.

3. The Cone Snail (unknown; I can't find the biological name
One drop of venom from this little bugger is enough to end 20 human lives. Sometimes colloquially known as the “cigarette snail,” it has been said that when you are stung by this creature, you’ll have just about enough time to smoke a cigaret before you stop breathing. It’s not like it matters anyway though…there is no antivenom.



The inland taipan ready to strike
4. Inland Taipan (Oxyuranus microlepidotus) is heavily regarded as the most venomous snake in the world. However, this snake, even though it has untreatable venom, it's actually highly reclusive and shy. However, when it needs to attack, it doesn't bite once and go away. Instead, in a single attack from this snake, it bites up to seven quick bites that kill instantly. It's diet is mainly rodents and insects, but sometimes, that one unlucky human will fall to the snake.

5. Komodo Dragons (Varanus komodoensisare not picky eaters. They will eat anything from birds to water buffaloes to humans and they have even been known to dig up bodies from shallow graves. They are prodigious hunters and will wait stealthily until their prey approaches after which they will charge forward, rip out its throat, and retreat while it bleeds out. Once again, like Polar Bears, the only reason their human kill count is so low is probably due to limited interaction as well as the fact that they only really need to eat once a month.

The cute, but deadly poison dart frog
6. Poison dart frog (Dendrobatidae azureusPacked into 2 inches of colorful amphibian is enough poison to kill an army of 20,000 mice. This means that with roughly 2 micrograms, or the amount that would fit on a pinhead, you could successfully stop the heart of a large animal. And to make matters worse, the poison is actually located on the surface of the skin. Can I get a "You can't touch this!"

7. The Brazilian Wandering Spider (Phoneutria nigriventer)  Meet the most venomous spider in the world, according to the Guinness Book of World Records. What makes this critter so dangerous though is also how it got its name – a tendency to wander. They are often found hiding in houses and cars of densely populated areas, especially during daytime. Not a very good combination at all.

8. You probably wouldn't believe this, but, The Mosquito (family: cullicidaeMoving from one of the largest animals in the world we now come to one of the smallest. As small as it is though, it is also the deadliest. It has been estimated that mosquitos transmit diseases like malaria to almost 700 million people annually resulting in 2 to 3 million deaths every year.

Interesting fact of the day: Many people who read the word yawn or yawning begin to feel the urge to yawn. I know I did.

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