In Photos: The Amazing Arachnids of the World --- Gooty tarantulas (Poecilotheria metallica) have a bright metallic blue color and are very popular among collectors or pet owners. But they are critically endangered, according to International Union for Conservation of Nature.
Gooty Tarantula, Metallic Tarantula or Peacock Tarantula (Poecilotheria metallica) is a Critically Endangered species of spider native to India, where it is threatened by deforestation and collection for the pet trade. - Poecilotheria metallica - Wikipedia, the free encyclopedia
The Cobalt Blue Tarantula grows to around 5 inches and is a brilliant metallic blue. It is native to Thailand, but can also be found in Burma, Malaysia and Singapore. This is probably the most aggressive tarantula...It will not hesitate to run up and inflict a painful bite. They are somewhat more difficult to keep (as a "pet") than any other tarantula.