Green Bottle Blue Tarantula: The Striking Spider of the Southwest

When it comes to exotic and visually striking arachnids, the green bottle blue tarantula (Pterinochilus murinus) stands out as a rare and captivating species. Known for its iridescent blue-green markings and elegant leg span, this tarantula has gained popularity among reptile enthusiasts and pet owners alike. In this article, we’ll explore what makes the green bottle blue tarantula unique, its natural habitat, care requirements, and why it’s becoming a sought-after pet in the exotic pet community.


Understanding the Context

What Is the Green Bottle Blue Tarantula?

The green bottle blue tarantula is a species native to parts of sub-Saharan Africa, particularly regions of Tanzania and Mozambique. True to its name, it features a vibrant blue-green coloration on its cephalothorax and legs, contrasted by a rich black or dark brown abdomen. Its translucent, almost glass-like appearance when viewed under light adds to its mesmerizing beauty, making it a prized specimen for hobbyists and collectors.

Unlike many tarantulas known solely for their size or temperament, the green bottle blue stands out due to its visual appeal and relatively docile nature when properly handled—a combination that makes it increasingly appealing in the world of exotic pets.


Key Insights

Natural Habitat and Behavior

Native to arid and semi-arid regions, the green bottle blue tarantula thrives in well-drained soils with moderate humidity, often hiding under rocks or in burrows during the day. As a nocturnal predator, it spends daylight hours anchored in silken retreats and becomes active at night, hunting small insects and invertebrates.

Though not aggressive, this species exhibits natural defensive behaviors such as leg-waving as a warning or deploying urticating hairs when threatened. With proper care, however, they are known to be calm and adaptable, especially when acclimated from a young age.


Why the Green Bottle Blue Is a Popular Pet

Final Thoughts

Several factors contribute to the green bottle blue tarantula’s growing reputation as a premium pet:

  • Striking Appearance: Its shimmering blue-green coloration, often enhanced under proper lighting or in well-maintained enclosures, makes it a standout in terrariums.
  • Manageable Size: With a leg span averaging 4 to 5 inches, it balances aesthetic appeal with more manageable care compared to larger species.
  • Slow Metabolism: Like many tarantulas, it has a low metabolic rate, requiring infrequent feeding—ideal for beginners seeking a long-term pet with simple needs.
  • Captive-Bred Availability: With increasing interest from breeders, many green bottle blues are now sourced ethically and are free from wild capture impacts.

Caring for Your Green Bottle Blue Tarantula

Proper care is essential to ensure the health and longevity of your green bottle blue tarantula:

  • Enclosure: A secure, horizontally oriented habitat (typically 10–20 gallons) with a secure lid, substrate such as coconut fiber or peat moss, and hiding spots is ideal.
  • Temperature & Humidity: Maintain temperatures between 75–80°F (24–27°C) with moderate humidity (60–70%). Supplemental misting and a shallow water dish are recommended.
  • Diet: Offer crickets, mealworms, and occasional roaches. Feed 1–2 times weekly, adjusting based on size and growth.
  • Handling: Minimal handling is advised initially; gentle, infrequent interaction helps build trust without stressing the spider.

Conservation and Ethical Considerations

While beautiful, the green bottle blue tarantula is not immune to habitat loss and over-collection pressures. Ethical breeders now emphasize captive breeding programs, ensuring healthier genetics and reducing strain on wild populations. When acquiring one, looking for certified, ethically sourced specimens protects both the species and future generations.