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Species Profile

Green Bottle Blue Tarantula

Chromatopelma cyaneopubescens

Desert jewel, webbing machine
davemhuntphotography/Shutterstock.com

Green Bottle Blue Tarantula Distribution

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Endemic Species
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Found in 1 country

Most Dangerous Spiders

At a Glance

Wild Species
Also Known As GBB, Green bottle blue, Bottle blue
Activity Nocturnal+
Lifespan 8 years
Weight 0.03 lbs
Status Not Evaluated
Did You Know?

This is the only species in its genus: Chromatopelma Strand, 1907 (type species C. cyaneopubescens; World Spider Catalog).

Scientific Classification

A New World tarantula species widely known in the pet trade for its striking metallic blue legs, orange abdomen, and greenish carapace, and for producing heavy webbing.

Kingdom
Animalia
Phylum
Arthropoda
Class
Arachnida
Order
Araneae
Family
Theraphosidae
Genus
Chromatopelma
Species
Chromatopelma cyaneopubescens

Distinguishing Features

  • Metallic blue legs with contrasting orange setae on the abdomen
  • Greenish/blue-green sheen on the carapace (giving the ‘greenbottle’ name)
  • Notable heavy webbing behavior compared with many terrestrial tarantulas
  • New World tarantula (typically has urticating hairs rather than medically significant venom)

Physical Measurements

Males and females differ in size

Length
5 in (4 in – 5 in)
5 in (5 in – 6 in)
Weight
0 lbs (0 lbs – 0 lbs)
Venomous

Appearance

Primary Colors
Secondary Colors
Skin Type Arthropod chitinous exoskeleton with dense setae (hair-like coverings), including urticating hairs on the abdomen typical of New World theraphosids; integument shows strong iridescence from setal microstructure.
Distinctive Features
  • Exact ID: Chromatopelma cyaneopubescens (Theraphosidae); a New World tarantula endemic to Venezuela and associated with arid/xeric scrub habitats rather than rainforest (distribution and taxonomy summarized in World Spider Catalog).
  • Notable heavy webbing behavior: produces extensive sheet/tunnel webbing around its retreat and across nearby substrate/vegetation; webbing is often a defining husbandry/field-visible trait for this species.
  • Adult size (commonly reported in captivity): diagonal leg span typically ~12-14 cm; robust but not among the largest theraphosids. (Widely reported in husbandry literature; primary peer-reviewed morphometric maxima are not consistently published for this species.)
  • Color development: juveniles can be duller/browner, developing the characteristic metallic blue legs and vivid abdomen/carapace coloration through successive molts.
  • Defensive traits typical of New World tarantulas: readily uses urticating hairs (abdominal setae) as a defense; venom is not considered medically significant to healthy adult humans, with primary risk being mechanical irritation/allergy from hairs.

Sexual Dimorphism

Males and females differ mainly in body shape and lifespan, not color. Mature males are slimmer, have longer legs and palpal bulbs. Females are heavier-bodied and live longer—about 10–15 years in captivity versus 3–4 years for males; peer-reviewed lifespan data are limited.

  • Mature male palpal bulbs present (adult male secondary sexual organ on pedipalps).
  • Tibial apophyses (mating hooks) may be present in mature males (a common theraphosid sexual trait; presence/shape is used in taxonomic diagnosis).
  • Typically slimmer abdomen and more gracile build; often appears less 'stocky' than females at the same leg span.
  • More robust body/abdomen; generally heavier-bodied overall.
  • Longer total lifespan and longer period retaining peak coloration due to extended adult life compared with males.

Did You Know?

This is the only species in its genus: Chromatopelma Strand, 1907 (type species C. cyaneopubescens; World Spider Catalog).

Adult size commonly reported at ~12-14 cm legspan; body length about ~5-6 cm (typical mature female measurements in husbandry and field reports).

Females are long-lived for spiders: commonly ~10-12 years; males typically ~3-4 years, often dying within months after their final molt and mating attempts (sex-linked theraphosid pattern reported for this species in captive life-history records).

It's an "arid-adapted" tarantula from Venezuela's xeric scrub/thorn-scrub regions (not a rainforest species), yet it produces unusually heavy webbing for a terrestrial New World tarantula.

The name cyaneopubescens literally refers to "blue" (cyaneo-) and "hairy/downy" (-pubescens), describing its blue setae.

Like other New World theraphosids, it has urticating hairs on the abdomen used for defense (urticating setae described for New World tarantulas; e.g., Cooke, Roth & Miller 1972).

Juveniles often look more muted and develop the famous high-contrast adult colors after successive molts-making it a favorite "glow-up" species among keepers.

Unique Adaptations

  • Urticating hairs (abdominal setae): detachable barbed hairs that irritate mucous membranes/skin-an effective predator-deterrent common to many New World theraphosids (Cooke, Roth & Miller 1972).
  • Arid-habitat lifestyle: associated with Venezuelan dry scrub; webbed retreats can buffer temperature and humidity swings compared with open ground.
  • High silk output: compared with many terrestrial tarantulas, C. cyaneopubescens uses silk not only for retreats but also extensively for prey-detection surfaces and "tripline" networks.
  • Structural coloration: the metallic blue on the legs is largely produced by light-interacting microstructures in the setae (a mechanism widespread in brilliant blue spiders), rather than blue pigment alone.
  • Opportunistic generalist predation: capable of taking a wide range of arthropod prey appropriate to its size; fast strike speed supports success in sparse, seasonal prey environments.

Interesting Behaviors

  • Heavy webber: builds extensive sheet-and-tunnel webbing that can cover much of its enclosure or natural retreat area; prey is often intercepted on the web surface.
  • Sit-and-wait ambush: typically remains near a webbed retreat, sensing vibrations through silk and lunging rapidly at passing insects.
  • Defensive toolkit (New World style): more likely to flick urticating hairs and posture than rely on medically significant venom; may "kick" hairs from the abdomen when disturbed.
  • Nocturnal/crepuscular tendency: activity and hunting frequently increase in lower light, with daytime spent in a webbed hide.
  • Molting behavior: seals or reinforces parts of the web/retreat before ecdysis, then remains reclusive while the new exoskeleton hardens.
  • Male wandering (mature males): once mature, males become more leggy and roam in search of females, often reducing feeding and web-maintenance.

Cultural Significance

Chromatopelma cyaneopubescens (Greenbottle blue, GBB) is a popular pet tarantula, known for bright blue legs, orange abdomen, and green carapace and for heavy webbing. It often is a gateway for learning tarantula traits like urticating hairs, male and female size and molts.

Myths & Legends

Arachne (Greek mythology): a master weaver who challenged Athena and was transformed into a spider-one of the most influential Old World legends linking spiders with weaving, pride, and transformation.

Anansi (Akan and wider West African/Caribbean folklore): the spider trickster who wins stories from the sky-god and uses wit to outsmart stronger foes-often invoked wherever spiders symbolize cleverness and storytelling.

Spider Woman / Grandmother Spider (Hopi and other Indigenous Southwestern traditions): a creator/teacher figure associated with bringing weaving and guiding people-spiders as cultural models for craft and interconnectedness.

Iktomi (Lakota tradition): a spider-trickster figure whose schemes teach moral lessons, reflecting the spider as both clever and cautionary.

Tarantism and the tarantella are Southern Italian beliefs that a 'tarantula' bite caused dancing stopped by loud music and dancing—a cultural link to tarantulas, though it refers to Old World spiders, not Chromatopelma cyaneopubescens.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Unknown

Life Cycle

Birth 120 spiderlings
Lifespan 8 years

Lifespan

In the Wild
3–12 years
In Captivity
3–15 years

Reproduction

Mating System Promiscuity
Social Structure Solitary
Breeding Pattern Transient
Fertilization Internal Fertilization
Birth Type Internal_fertilization

Chromatopelma cyaneopubescens is solitary. Roaming males briefly mate with females that stay near their webs; males use palps to transfer sperm and females can store it. Encounters last minutes to hours. Females guard egg sacs; males live far shorter lives.

Behavior & Ecology

Social Solitary Group: 1
Activity Nocturnal, Crepuscular
Diet Insectivore Crickets (Gryllidae)

Temperament

Solitary; low conspecific tolerance outside brief mating encounters
Generally skittish/fast-moving; commonly retreats into dense webbing when disturbed
Defensive rather than overtly aggressive; may adopt threat posture (raised forelegs/chelicerae) if cornered
Uses urticating hairs (New World theraphosid defense); may kick hairs when provoked
Behavior varies by life stage: juveniles tend to web extensively and remain concealed; adult males become more wandering and risk-prone during mate searching

Communication

none No known airborne vocal communication; interactions are primarily mechanical/chemical
web- and substrate-borne vibration sensing and signaling E.g., foot-tapping/drumming); spiders detect vibrations via slit sensilla and other mechanoreceptors (general spider biology: Foelix, 2011
chemical communication via pheromones deposited on silk/web; males track female silk cues during mate searching General theraphosid/spider courtship: Schultz & Schultz, 2009; Foelix, 2011
courtship signaling: male rhythmic tapping/drumming at the female's retreat/web entrance; female receptivity indicated by reduced aggression/allowing approach; tactile cues during copulation
defensive signaling: threat posture and rapid retreat; urticating-hair flicking both deters predators and can function as a close-range warning during disturbance

Habitat

Biomes:
Tropical Dry Forest Desert Hot
Terrain:
Coastal Plains Rocky Sandy
Elevation: Up to 2788 ft 9 in

Ecological Role

Nocturnal/crepuscular invertebrate predator in dry scrub habitats; contributes to top-down control of local arthropod communities around its retreat/webbing.

Regulation of insect and other arthropod populations via predation Energy transfer from arthropod prey to higher trophic levels (as prey for predators such as birds, mammals, reptiles) Local microhabitat modification by persistent silk webbing/retreat construction (creates structure used by other small invertebrates)

Human Interaction

Domestication Status

Wild

Chromatopelma cyaneopubescens is a wild Venezuelan tarantula (Theraphosidae), not domesticated. It entered pet trade mainly as captive-bred for color, webbing. Originally Eurypelma cyaneopubescens (Strand 1907); moved to Chromatopelma (Schmidt 1995); WSC lists current name. Lives in arid scrubland. Human use: pets, teaching (handling discouraged for urticating hairs), little medical research, fear killing, and debate on wild collection and welfare.

Danger Level

Low
  • Urticating hairs (New World theraphosids) can cause skin irritation, itching, and-if airborne or transferred by hands-painful eye irritation (ocular exposure can be serious). Urticating hair presence is a well-documented defensive trait in New World tarantulas (e.g., Cooke, Roth & Miller 1972 for urticating hair types across Theraphosidae).
  • Bite risk: defensive bites are uncommon but possible during handling; effects in humans for tarantulas are typically localized pain, swelling, and redness; severe systemic toxicity is not characteristic of theraphosid envenomation in the medical literature (general review coverage includes Vetter & Isbister 2008 on spider bites/medical significance).
  • Allergic reactions are possible (to venom or urticating hairs) in sensitized individuals.
  • Secondary infection risk from any puncture wound if not cleaned.

As a Pet

Suitable as Pet

Legality: Generally legal to keep in the United States and much of Europe, but legality can vary by state/municipality/country (e.g., local exotic-animal ordinances, import rules, and airline/shipping restrictions). Not listed under CITES Appendices; wild collection in-range may be regulated.

Care Level: Moderate

Purchase Cost: $60 - $200
Lifetime Cost: $300 - $1,200

Economic Value

Uses:
Pet trade (captive breeding and retail) Education/outreach display animals Invertebrate hobby supply chain (enclosures, feeders, substrate)
Products:
  • live animals (slings/juveniles/adults; primarily captive-bred)
  • breeding stock
  • husbandry-related goods indirectly driven by demand (terraria, hides, feeders)

Relationships

Ecological Equivalents 4

Animals that fill a similar ecological role in their ecosystem

Gooty sapphire ornamental tarantula Poecilotheria metallica Arboreal, visually oriented ambush predator that commonly builds and uses silk retreats. Often compared in the pet trade for its intense blue coloration and defensive threat displays, but as an Old World species it lacks urticating hairs, so its defensive ecology differs.
Cobalt blue tarantula
Cobalt blue tarantula Cyriopagopus lividus Heavy silk user and reclusive sit-and-wait predator; shares the "high webbing/retreat-based" husbandry niche in captivity, though Cyriopagopus lividus is primarily fossorial (a burrower), whereas Chromatopelma cyaneopubescens is a prolific webber that often constructs above-ground web tunnels and retreats in drier scrub habitats.
Brazilian jewel tarantula Typhochlaena seladonia Small-bodied arboreal tarantula that constructs a silk-lined retreat and relies on camouflage and localized ambush from its retreat rather than active roaming. Ecologically similar as a 'retreat-building ambush predator' despite differences in size, specific microhabitat (tree cavities), and overall web architecture.
Trinidad chevron tarantula Psalmopoeus cambridgei Fast, retreat-building New World theraphosid that uses substantial silk and ambushes prey from a webbed hide. Occupies a comparable ecological role as a retreat-based predator and prompts similar husbandry discussions about webbing intensity and responsiveness.

A beautiful green, blue and orange tarantula.

Green bottle blue tarantulas are vibrant green and burnt orange with bright blue legs. Their carapace is covered in greenish bristles/hairs and their abdomen is covered in orange bristles that look almost like fur. While you can barely see some tarantula’s eyes, green bottle blue has two prominent black eyes that make them look somewhat cartoonish. The other six eyes are also present but not as large. Exotic pet owners like to display the green bottle blue due to their bright coloration.

Amazing Green Bottle Blue Tarantula Facts

  • They can have a leg span of 6 inches.
  • They are from a northern peninsula of Venezuela.
  • Green bottle blue tarantulas are one of the few naturally blue animals.
  • They will flick their urticating hairs in self-defense.
  • Females can live to be 14 years old.

Green Bottle Blue Tarantula Scientific Name

The scientific name of the green bottle blue tarantula is Chromatopelma cyaneopubescens. They are actually the only member of their genus. Chroma means “colored” in Latin and pelma means “fur”. Cyan refers to their coloration being greenish-blue. Sometimes they are just called by their abbreviation GBB or their location, Venezuelan green bottle blue.

Green Bottle Blue Tarantula Appearance

Green bottle blue tarantula chromatopelma cyaneopubescens

Green bottle blue tarantula chromatopelma cyaneopubescens

These colorful tarantulas have a greenish carapace (head section) and an orangish abdomen (back section). Their legs add even more color with eight bright blue legs. Their bodies and legs are covered in bristles that look like fur, especially on their abdomen. Two of their eyes are larger than the others and clearly poke out of the top of their heads.  

The spiderlings also have a very unique look. When they are born they look very different. They are not born green, blue and orange. They are born with dark brown abdomens and have pink legs. Their bellies have alternating red and black stripes. Their coloration changes with each moly until they match the adult green, blue and orange version.

As adults they can get to be around 2.75 inches with a leg span as much as 6 inches or more. In comparison, according to a study by NASA, the average adult hand size for men is 7.6 inches and women 6.8 inches. So these are about hand-sized spiders.

Green Bottle Blue Tarantula Behavior

Green bottle blue tarantulas are skittish and are observed scurrying around their enclosures when captive. They are fast and capable of climbing trees quickly. They spend most of their tim on the ground but are considered semi arboreal so they can spend time on lower branches or in bushes.

Some tarantulas do not spin webs to catch prey, but GBB’s are webbers and often fill their enclosures with multiple webs. In the wild they will often create a burrow filled with webs and a web “door” covering the entrance.

 To make room for their growing bodies they must molt their exoskeleton. Prior to their molt they stop eating and get lethargic. After a molt is when you see some of the most brightly displayed colors.

As New World tarantulas they use the similar technique as other tarantulas and can flick the urticating hairs off their back. These bristly hairs can cause pain and irritation in the victim or predator.

Green Bottle Blue Tarantula Habitat

Green bottle blue tarantulas are from South America on the Paraguana Peninsula in Venezuela. They are terrestrial but also semi-arboreal, meaning they spend most of the time on the ground of the forests but can also climb and make webs in lower branches of trees and shrubs.

Their homes are burrows around downed tree branches, stumps and brush. They create many webs both inside and outside of their burrows for protection and to catch insects and other small animals for dinner. The funnel shaped webs also help protect the spiders from the elements.

In captivity owners keep their enclosures between 75°-85° and relatively humid to mimic the tropical climate of Venezuela.

Green Bottle Blue Tarantula Predators and Threats

The main predators of green bottle blue tarantulas are larger spiders, lizards, snakes and birds. Venezuela has an enormous variety of animals that live in the hot humid forests and deserts. Green bottle blues need to protect themselves from predators by hiding in burrows during the day and creating large webs to deter predators.

If threatened they will either flick their urticating hairs at a predator or they will flee…quickly! They have options of burrowing, finding a web to hide behind or hightailing it up a nearby tree. Their unique coloration actually provides great camouflage when mixed in with the flora of their surroundings.

As a last resort they can use their fangs to bite in self-defense and they are venomous, however they mainly use their fangs and venom to subdue prey before eating.

What Eats Green Bottle Blue Tarantulas?

The main animals that eat Green bottle blue tarantulas are arboreal snakes, birds and larger spiders.

What Do Green Bottle Blue Tarantulas Eat?

Green bottle blue tarantulas eat insects, small birds, worms and small mice. Whatever happens to wander into their webs and get caught. In captivity they can be fed crickets, meal worms or dubia roaches. They may eat 5-7 large crickets every 2-3 weeks or 2 dubia roaches ever y 2-3 weeks. Before they molt they may refuse to eat altogether and go for weeks without food.

What is the Conservation Status of Green Bottle Blue Tarantulas?

Green bottle blue tarantulas are not listed by the IUCN as a threatened species.

Reproduction, Babies, and Lifespan

Reproduction for tarantulas is a delicate dance with the main goal of the males to pass on their genes without getting eaten. In captivity female green bottle greens are very picky and will not mate with just any male put in their enclosure. It is assumed that females in the wild are also choosey. Their unique coloration may play a role in mate choice. If a male green bottle blue finds a receptive mate he will spin a sperm web and then transfer his sperm to the female. They then know to immediately get away to avoid being eaten. After they mate the males do end their life cycle and die within a few weeks to months.

Female green bottle blue tarantulas lay around 100 eggs. They wrap them up with their webs to create an egg sac. About 10 weeks later the little spiderlings hatch. They are not green, blue and orange, but dark brown with pink legs and red/black striping. The spiderlings only stick around for a couple of days before instinctually knowing the mother will eat them. They take off to make new homes of their own.

The life span of female green bottle blue tarantulas is 12-14 years while males have a much shorter lifespan. Males live for 3-4 years.

Population

It is uncertain the population of green bottle blue tarantulas. They are not listed by the IUCN. They are allowed to be kept as pets in the US and are a “display pet” as handling is not recommended.

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Sources

  1. American Tarantula & Animals / Accessed October 19, 2022
  2. The Tarantula Collective / Accessed October 19, 2022
  3. National Aeronautics and Space Administration / Accessed October 19, 2022
  4. Tarantulas / Accessed October 19, 2022
Cindy Rasmussen

About the Author

Cindy Rasmussen

I'm a Wildlife Conservation Author and Journalist, raising awareness about conservation by teaching others about the amazing animals we share the planet with. I graduated from the University of Minnesota-Morris with a degree in Elementary Education and I am a former teacher. When I am not writing I love going to my kids' soccer games, watching movies, taking on DIY projects and running with our giant Labradoodle "Tango".
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Green Bottle Blue Tarantula FAQs (Frequently Asked Questions)

They are venomous but their venom is not harmful to humans.