That ALL tarantulas have a certain amount of venom. Although most people are not affected by these species, some people may be allergic to the venom, or just more sensitive, making it a dangerous situation. This is one of the reasons that people should not handle this tarantula. Also, New World species of tarantulas like this one can flick urticating hairs off of their abdomens, which can also cause a reaction, depending on the person. Affects of this tarantulas' natural defenses may vary between people. All tarantulas should be considered dangerous, so be careful, because you don't want to find out if you are allergic or more sensitive the HARD WAY!