Cobalt Blue and Lightening Speed

"Native to Mvanmar, Laos, Cambodia, Burma and Thailand

This stunningly beautiful tarantula is a burrowing species, living in a network of burrows underground, but are known to make webs on the ground as well.

Deceptively calm, they are considered as one of the most aggressive tarantulas in the world."...

Haplopelma lividum
quotation taken from:
http://www.ksu.edu/butterfly/insect_zoo_pages/cobalt_blue.htm

The female is blue and the male is brown.