All tarantulas have venomous bites. Some tarantulas are very docile, while others can be aggressive. The “New World” tarantulas are considered less aggressive, and the “Old World” tarantulas are considered more aggressive. read more
There is no such thing as a non-venomous tarantula. All spiders, including tarantulas, possess the ability to give a venomous bite. There are, however, varying degrees of tarantula venom, ranging from very mild to extremely unpleasant but not fatal. read more
All tarantulas are venomous, but I haven’t heard of a tarantula that’s fatal to humans(unless you have an allergic reaction to their venom). As to where they are found, it varies, some likes high place like trees like the avicularia avicularia(pink toed tarantula), some can be found underground like Haplopelma lividum(cobalt blue tarantula). read more