Haplopelma Minax Tarantula. Haplopelma Lividium is the scientific name for a species of Arachnid also referred to as the Cobalt Blue Tarantula. This particular species is very aggressive and not too mention fast especially compared to other species of Tarantula. The reason They are referred to as Cobalt Blue Tarantula is their unique coloring. Truly a majestic creature especially to those who have a love of spiders.