The cobalt blue tarantula (Cyriopagopus lividus) is a tarantula species (family Theraphosidae) native to Myanmar and over the border into Thailand. It was originally described as Haplopelma lividum.
The cobalt blue tarantula is a medium-sized tarantula with a leg span around 13 cm (5 in) . It is noted for its iridescent blue legs and light gray prosoma and opisthosoma, the latter of which may contain darker gray chevrons.
Habitat: Cobalt blue tarantulas inhabit the tropical rains forests of Southeast Asia, where they construct deep burrows, and generally only leave them to find food.Juvenile: 4 – 6 cm, Sub-adult: 7 – 9 cm, Adult: 13 – 15 cm