8 of the World's Most Venomous Spiders

By Manish Choudhary

1. Brazilian Wandering Spider 

Known for its potent neurotoxic venom and aggressive behavior. 

2. Sydney Funnel-web Spider 

Native to Australia, its venom is highly toxic and can be deadly to humans. 

3. Black Widow Spider 

Recognized by its red hourglass marking, its venom contains a neurotoxin that can cause severe symptoms. 

4. Brown Widow Spider 

Similar to the black widow, its venom is less potent but still poses a risk to humans. 

5. Redback Spider 

Another relative of the black widow, found in Australia, known for its painful and potentially dangerous bite. 

6. Six-eyed Sand Spider 

Found in deserts, its venom contains a potent necrotoxin that can cause tissue damage. 

7. Chilean Recluse Spider  

Known for its necrotic venom that can lead to severe tissue damage and systemic effects. 

8. Brown Recluse Spider  

Common in the United States, its venom can cause necrotic lesions and systemic symptoms.