Spiders are common in every place, there are about 40,000 species of spiders in the world, and many people are afraid of spiders, but only a small number of spiders pose a threat to humans. Most spiders are not aggressive, they will only run away when they are in danger, and only choose to attack in extreme cases. And some spiders contain very strong poison, these toxins can kill any animal or person, the following is the world's top ten most poisonous spiders.
10. Tarantula

Tarantulas are found on all continents, they live in meadows and dark places, most tarantulas burrow in the ground, and only a few species weave webs. They are very fast, but not too aggressive, their bites are toxic but rarely fatal, and pain and itching are common bite symptoms.
9. Red Widow Spider
The Red Widow Spider is predominantly distributed in parts of Florida and, like its relatives, the Red Widow Spider is generally not aggressive. And its toxins are not fatal, they only make people feel muscle pain, spasms and nausea, and death is very rare.
8. Yellow-saced spider
The culprit of most spider bites is thought to be the yellow-saced spider, which exists in many parts of the world, and its venom destroys cells but rarely poses a danger to the human body, and pain and swelling at the site of the bite are common symptoms.
7. Six-eyed sand spider
In the desert regions of southern Africa, the Six-Eyed Sand Spider is a wary spider, with only two suspected cases of being bitten by the Six-Eyed Sand Spider, however, the venom of the Six-Eyed Sand Spider has been found to cause vascular and tissue destruction.
6. Sydney Funnel Web Spider
This spider, native to eastern Australia, is one of the most feared spiders, the Sydney Funnel Web Spider is more dangerous and more venom, and its bites can cause muscle pain, vomiting, brain swelling and death after 15 minutes.
5. Black Widow Poison Spider
Black Widow Poison Spiders have the highest number of females because they only mate, and the females will eat the males. The Black Widow Poison Spider, like many other spiders, is non-aggressive and only attacks in self-defense, and its bites cause muscle pain, spasms, difficulty breathing and nausea, which are fatal to children and the elderly.
4. Brown Widow Spider
Brown Widow Spider is a close relative of Black Widow, its venom is more venomous than Black Widow, and like many spiders, male spiders are smaller and less dangerous than female spiders, and brown widow spiders can cause muscle pain and temporary paralysis.
3. Hermit Spider
Hermit spiders are one of the world's most notorious spiders and contain highly toxic, and their bites can cause fever and tissue destruction. Some people can take months to heal, and further infections can lead to death.
2. Red-backed spider
The Red-backed Spider is a close relative of The Black Widow, native to Australia, and the Red-backed Spider is not an aggressive spider and will only fight back when in danger. Its venom can cause rapid heartbeat, abdominal cramps, nausea and sweating, but it is rarely fatal.
1. Brazilian roaming spider
According to the Guinness Book of World Records, the Brazilian roaming spider is the most venomous spider in the world, and its venom is many times more deadly than the venom of many other spiders, causing muscle shock and paralysis, and in some cases death.
Article source: A little ranking network