The text is a transcript of a video that discusses the most venomous spiders in the world. The video starts by introducing the topic and asking viewers to watch the video if they are scared of spiders.
The video then discusses the six-eyed sand spider, which is native to southern Africa. It lives in hiding and throws sand over itself to avoid attention. Its venom is considered very dangerous and is said to be as destructive as sulfuric acid, causing internal bleedings and tissue necrosis. However, the species is very shy and there are only two known cases of attacks on humans.
The video also talks about the cyclocosmia, a spider with an unusual abdomen shape. It is an aggressive species but does not cause serious consequences if encountered by humans.
The video then introduces the funnel web spider or Atrax robustus, native to Australia. It is known for its aggressive nature and is considered the most venomous spider in the world. Its venom is deadly and can cause severe pain, muscle cramps, and respiratory arrest.
The video also discusses the brown recluse spider, which is considered one of the most venomous spiders in the world. Its venom causes tissue necrosis and can lead to severe complications if not treated promptly.
The video ends with a discussion about the black widow spider, which is known for its strong venom. It can cause intense pain, muscle cramps, and lasting weakness. The video also mentions other spiders in the latrodectus genus, such as the brown widow and the red widow, which are less dangerous than the black widow.
Overall, the video provides information about various venomous spiders and their characteristics, with the aim of helping viewers identify and avoid them.
Here are the key facts extracted from the text:
1. The video talks about the most venomous spiders on Earth.
2. The first spider mentioned is the six-eyed sand spider, which lives in southern Africa.
3. The sand spider's venom is considered the most dangerous in scientific history, destroying the body's cells and blood vessel walls.
4. The spider is very shy and only two known cases of attacks on humans have been recorded.
5. The next spider discussed is the cyclocosmia, which has an abdomen shaped like a cart.
6. The cyclocosmia needs a chitinous plate decorated for protection and not for attack.
7. The cyclocosmia genus is considered the oldest on Earth.
8. The video then discusses the funnel web spider, which is native to Australia.
9. The funnel web spider entered the Guinness Book of Records as the most venomous in the world.
10. The spider is always ready to attack first and will stand on its hind legs to show its fangs.
11. The spider is considered one of the most venomous in the world, with its venom causing tissue necrosis.
12. The spider can travel from one territory to another and is considered a predator.
13. The spider's venom can cause prolonged pain, swelling, dizziness, increased heart rate, and nausea.
14. The video also discusses the Metallica tarantula, with a venom that can cause intense pain, muscle cramps, and lasting weakness.
15. The black widow is the most famous venomous spider, with a venom that causes a serious clinical syndrome.
16. The brown widow is less dangerous to humans than the black widow.
17. The red widow is only found among the pine leaves on the sandy soils of Pennsylvania and Florida.
18. The red widow's venom is about five times less toxic than that of the brown widow.
19. The video ends with a promotion for another channel.