What are the World's Deadliest Spiders?

There are more than 50,000 known species of spider, but the world's deadliest spiders are few. All spiders can bite and inject venom, but their fangs are best suited for biting and stunning insects. When spiders do bite humans, they don’t always inject venom, and most bites cause no dangerous reaction. When it comes to human fatalities, only a few arachnids may be classified as the world's deadliest spiders. Bites from black widow, brown recluse and Brazilian wandering spiders have been known to kill a small child or fragile adult now and then, but death by spider bite is not very common outside of deep jungle areas. A delay in medical attention often tips the scales in case of a fatal spider bite. Antivenin, when available, can be quite effective.  more

There are more than 50,000 known species of spider, but the world's deadliest spiders are few. All spiders can bite and inject venom, but their fangs are best suited for biting and stunning insects. When spiders do bite humans, they don’t always inject venom, and most bites cause no dangerous reaction.  more