It depends on what this question is asking. The terms poison and venom mean different things in the English language. If the question is do tarantulas have a venomous bite, then the answer is yes, but there is more to it. The vast majority of tarantulas are generally not considered seriously dangerous to humans. While they do possess venom, it is usually not potent enough to cause significant harm to humans. The venom of most tarantula species is primarily used to subdue their prey, which mainly consists of insects, small vertebrates, and other arthropods.

Tarantula bites can vary in intensity and may cause localized pain, redness, and swelling. Some individuals may also experience an allergic reaction to the venom, resulting in additional symptoms such as itching or rash. However, severe or life-threatening reactions are rare.

It is important to note that there are species of tarantulas that possess more potent venom, and a bite from them could potentially be extremely painful. However, there is currently no recorded deaths from any tarantula bite. If you encounter a tarantula, it is generally best to avoid provoking or handling it. Like with any wildlife, it is best to observe them from a safe distance and appreciate them in their natural habitat.