Scolopendra aztecorum (the Aztec Blue Centipede)Scolopendra aztecorum, commonly known as the Aztec Blue Centipede, is an undescribed, highly sought after species of giant centipede. Native to the southwestern United States and Mexico, they are famous for their neon blue juveniles that mature into deep emerald green or gold adults. Appearance & Color ShiftJuveniles: Start as a vibrant, glowing, electric blue. Adults: Usually transition into deep emerald green, tan, or gold as they reach maturity.

Steindachner's Ebony Tarantula (Aphonopelma steindachneri) is a docile

though it can flick urticating hairs when threatened

while males live 3-6 years

Size: Can reach a leg span of up to 5 inches (13 cm)

Venom: Considered potent

Size: One of the world's largest tarantulas

is a burrowing tarantula from Brazil known for its olive-green and khaki coloration with white-striped leg joints

Appearance: Olive to khaki color with white-striped leg joints

and a light tan carapace with a prominent black triangle

Appearance: Chalky white/gray with mottled black/brown markings

Temperament: Generally timid but defensive when threatened

and viper-like feeding response