Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other orders of organisms. Spiders do not feed on humans and typically bites only occur as a defense mechanism. This can occur from unintentional contact or trapping of the spider.
There are more than 50,000 types of spiders in the world. All spiders have eight legs, no wings, and only two body parts: a thorax and an abdomen.
They also all have fangs and enough venom to kill the insects that make up their diet. But only a handful of spiders have fangs and venom that can penetrate human skin — including the brown recluse spider, hobo spider, camel spider, wolf spider, black widow spider, and banana spider. But, there are certain species of spiders that are very aggressive.
Spiders evolved over 380 million years ago, and are a vital part of the world’s ecosystem. However, just because they’re old and important doesn’t mean some of them aren’t absolutely terrifying. Yes, many of them are harmless, but others we would rather stay away from because they’re incredibly venomous.
The good news is that deaths from spider bites are very rare, so even though some spiders can kill you, they would rather not.
Here is a list of the top ten most venous spiders:
1. Brazilian wandering spider: Phoneutria nigriventer.
2. Six-eyed sand spider: Sicarius hahni.
3. Sydney funnel-web spider: Atrax robustus.
4. Black widow spider: Latrodectus mactans.
5. Redback spider: Latrodectus hasseltii.
6. Brown and Chilean recluse spiders: Loxosceles reclusa (Brown) and Loxosceles laeta (Chilean).
7. Mouse spider: Missulena occatoria.
8. Chinese bird spider: Haplopelma hainanum.
9. Fringed ornamental tarantula: Poecilotheria ornata.
10. Yellow sac spider: Cheiracanthium mildei
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