Are All Spiders and Tarantulas Venomous?

The basic answer is yes; all spiders and tarantulas are venomous (although, there are a few that are not). However, that does not mean they are all dangerous. There are about 40,000 species of spiders recorded, and only about 200 are considered medically significant to humans. That means only 0.5% of all the spiders in […]