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Greenbottle Blue Tarantula (GBB)

Chromatopelma cyaneopubescens

The South American kaleidoscope. Universally renowned for its breathtaking, shocking three-tone coloration and its compulsive, massive production of thick silk webbing. While it rivals the hardiness of a desert Brachypelma, it is noticeably faster, far more skittish, and boasts an explosive feeding response, offering an unmatched visual display in a web-choked, semi-arid enclosure.

Family
Theraphosidae
Origin
Venezuela (Regione di Paraguaná)
Origin
Extra-Amazon South America
Tank use
Used in 0 tanks

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Species challenges
Temperature

24 °C - 28 °C

pH

n/a

Water type

Freshwater

Humidity

50 % - 60 %

Substrate depth

10 cm

Description

Geographical Origin and Habitat: An iconic species strictly endemic to the harsh, dry, fiercely wind-swept scrublands and arid thorn-forests of the Paraguaná Peninsula in extreme northern Venezuela. They perfectly survive the brutal, arid droughts by weaving impossibly thick, extensive, sheet-like webbing tunnels directly at the deeply shaded base of thorny desert bushes, heavy cactus roots, or dry ground debris, sheltering themselves from the scorching daytime heat.

Taxonomy and Genetics: The sole, monotypic member of the *Chromatopelma* genus within the massive Theraphosidae family. Universally, globally recognized in the hobby simply as the 'GBB'. Its incredibly restricted natural range has historically suffered extreme human pressure, but its incredible readiness to enthusiastically breed in captivity has flooded the global legal pet trade with robust, captive-bred (CB) specimens, securing its future.

Behavior and Habits: Globally famous for being one of the most prolific 'heavy webbers' in the entire terrestrial tarantula world. Rather than burying itself in the dirt like normal ground-dwellers, a GBB will aggressively and rapidly coat the entire terrarium floor, walls, branches, and water bowl in inches of brilliant white, dense silk, architecting a massive, complex network of funnels and hammocks. It is a highly bold display spider, frequently sitting proudly out in the open on its web. Temperamentally, it is incredibly skittish, nervous, and possesses explosive, teleporting speed if startled, heavily preferring to rapidly kick severe urticating hairs and bolt rather than rear up to bite.

Morphology and Sexual Dimorphism: The adult form boasts arguably the most staggering, artificial-looking coloration on earth: a intensely bright, metallic cyan or sea-green carapace, massive legs burning in a bright, neon indigo or cobalt-blue, and a shockingly contrasting plump abdomen heavily coated in bright, fiery-orange hairs. As tiny 'slings' (babies), they undergo a completely different, wild aesthetic: sporting tiger-striped orange and black abdomens with pale pinkish legs. It is a sturdy spider, achieving a very respectable 5.5 to 6-inch (14-15 cm) adult leg-span, growing surprisingly fast and fiercely compared to other dry-climate species.

Care and observations

Terrarium Setup: It demands a highly unique, hybrid 'semi-arboreal' approach. A secure, highly ventilated 12x12x12 inch (30x30x30 cm) enclosure is perfect. Instead of just a ground hide, it is absolutely MANDATORY to firmly securely anchor a chaotic, complex jumble of dry branches, spider-wood, or fake vines above the ground, giving the spider infinite anchor points to begin its massive, obsessive webbing construction. Provide a basic 3-inch (8 cm) layer of bone-dry coco coir beneath the wood. A wide, shallow, clean water dish is critical, though she will inevitably, stubbornly web completely over it, requiring you to carefully break the silk to refill it.

Lighting and Heating: Native to extremely hot, baking Venezuelan desert climates. They absolutely thrive at robust, warm household temperatures gently hovering between 76-82°F (25-28°C). Avoid intense, direct, blistering heat lamps that will violently dry out their lungs. They naturally sit out in the dim ambient room light, feeling flawlessly secure atop their thick, blindingly white silk castles.

Humidity and Hydration: Absolute, uncompromising rejection of stuffy, wet, dripping rainforest humidity. The underlying substrate MUST be maintained completely and utterly bone-dry. The ideal ambient humidity strictly caps around 50-60%. Crucially, provide vital hydration exclusively through the constantly filled water dish, and occasionally dropping small water beads directly onto the edges of her thick webbing, allowing her to easily drink the 'dew' as she naturally would in the arid scrublands. Stagnant, wet mud will instantly spawn lethal fungal infections that rapidly kill GBBs.

Feeding and Supplementation: Fiercely voracious ambush predators armed with a terrifyingly violent, explosive feeding response. They hunt blindly, sensing the microscopic vibrations of a roaming cricket snagging its leg on their vast silk tripwires. In a blinding fraction of a second, the spider will teleport out of its dark funnel, brutally tackle the prey, inject venom, and drag it violently back into the darkness. Feed stable, massive adults exactly one large Dubia roach or heavy cricket every 10 to 14 days. They neatly discard the sucked-dry insect exoskeletons (boluses) in a designated trash corner of their web; use long tongs to maniacally extract this garbage to prevent lethal red mite infestations.

Handling and Safety: Free-handling is strictly, heavily prohibited. It is a deeply nervous, high-strung, highly reactive animal: if you clumsily attempt to touch it, it will not gently step onto your hand; it will explode into a frantic, teleporting sprint, kicking an incredibly nasty, deeply irritating cloud of urticating hairs directly into your face, or worse, bolting straight out of the enclosure and plummeting to the hard floor, violently bursting its heavy abdomen. This is the ultimate 'Look, Don't Touch' visual masterpiece. Rehouse safely using soft paintbrushes and clear plastic catch-cups exclusively.

Terrestrial invertebrate profile

Diet
Carnivoro
Humidity
50 % - 60 %
Temperature
26 °C
Sociality
Solitario
Venom level
MildlyVenomous
Substrate depth
10 cm

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.