Origin And Natural Habitat
Vietnam is the confirmed home of Cyriopagopus longipes, with the species documented across the country’s warm, humid lowland habitats — found between rice fields, out in large plantations and forests, creating tubular tunnel entrances to underground lairs between thick brush and bushes but also out in open ground. This ecological flexibility is genuinely notable for a Cyriopagopus species — the documented occurrence between rice fields and agricultural plantation edges alongside natural forest habitat suggests a tolerance for human-modified landscapes that has allowed C. longipes to persist across a country where substantial forest area has been lost to agriculture over the past century.
Vietnam’s climate is genuinely tropical in the south and subtropical in the north, with a monsoon-driven seasonal pattern producing hot, humid summers and a drier, cooler winter period in the northern regions. The lowland tropical forests, agricultural zones, and scrubby vegetation edges where C. longipes has been documented share the warm, humid character of the broader Southeast Asian earth tiger habitat — conditions that produce the consistently moist soils ideal for deep burrow construction and the warm temperatures that sustain the fast metabolic pace of an obligate fossorial ambush predator. The species is alternatively known as the Vietnamese Tiger, Vietnamese Chevron, and Vietnamese Tiger-rump in different hobby markets, with the Vietnamese Tiger-rump name referencing the tiger-like abdominal patterning that is the species’ most distinctive visual feature.
Scientific Classification
Cyriopagopus longipes was described from Vietnamese specimens and belongs to the Ornithoctoninae subfamily — the Asian earth tiger lineage that also includes the Cobalt Blue (C. lividus), Chinese Black Earth Tiger (C. hainanus), and Cambodian Tiger (C. albostriatus). The species name longipes derives from the Latin longus meaning long and pes meaning foot — a reference to the proportionally long legs that give the species a slender, athletic appearance compared to the heavier-built genus relatives. A 2025 Zootaxa paper addressing the genus Magnacrus from Vietnam and its relationship to Cyriopagopus confirms the current placement of C. longipes within Cyriopagopus. The World Spider Catalog and iNaturalist confirm C. longipes as the current valid name. Full classification: Kingdom Animalia, Phylum Arthropoda, Class Arachnida, Order Araneae, Infraorder Mygalomorphae, Family Theraphosidae, Subfamily Ornithoctoninae, Genus Cyriopagopus, Species C. longipes.
Species Overview
Cyriopagopus longipes is a tough customer just like its cousins the Thailand Black (C. minax) and Cobalt Blue (C. lividus) — a characterisation that tells experienced keepers exactly where this species sits on the difficulty and temperament spectrum. What distinguishes it from the most intensely sought-after genus relatives is a more accessible keeper experience profile — a defensive tarantula that is typical for the Cyriopagopus genus in terms of care requirements while presenting with the detailed abdominal tiger striping and subtle post-moult blue hues that give it visual character beyond a simple brown fossorial. For keepers who have developed appropriate Asian fossorial experience and want to add a distinctly Vietnamese earth tiger to their collection without the extreme defensive intensity of the Cobalt Blue, this is a genuinely rewarding species that is often overlooked in favour of its more famous genus relatives.
Appearance And Size
The tiger patterning of the abdomen is the defining visual feature — a very detailed pattern on the abdomen of dark chevron and stripe markings against the brown base colouration that creates the tiger-like quality that gives the species its Vietnamese Tiger common name. After moulting, the species gets slight blue hues — a post-moult iridescent quality that fades as the new exoskeleton settles, but that gives freshly moulted specimens a subtle metallic character beyond the ordinary brown of the standard colouration. The body has the elongated, athletic build that the species name longipes references — proportionally longer-legged than the heavier-built C. hainanus and giving the spider a more slender silhouette in the earth tiger group. The carapace and overall body colouration falls in the warm brown to dark brown range characteristic of the Vietnamese earth tiger fauna.
Adult legspan reaches approximately 6 inches — a medium to large adult for the genus. Lifespan ranges from 5 to 25 years depending on sex and conditions — consistent with the broad female longevity documented for large Asian fossorial species.
Housing
A terrestrial enclosure with substrate depth as the defining priority. A fossorial setup with at least four times the spider’s legspan in horizontal space and 15 to 20 or more centimetres of substrate for burrowing is the consistent keeper recommendation. Floor space prioritised over height. A latching, escape-proof lid is non-negotiable given the speed and defensive intensity of this genus. The tubular tunnel entrance to underground lairs documented in the wild — sometimes in open ground between rice fields and sometimes among thick brush — suggests the species is flexible about burrow entry structure, and a pre-formed starter burrow in the substrate will be expanded and adapted to the spider’s preference once it settles. A side-mounted rather than under-tank heat mat for any supplemental heating. Our best tarantula enclosure guide covers terrestrial fossorial formats appropriate for large Vietnamese earth tiger species, and our best tarantula sling enclosure guide covers smaller juvenile formats.
Enclosure’s Decorations
A pre-formed starter burrow at one end gives the spider an immediate starting point. A shallow water dish at substrate level provides hydration. Minimal additional surface decoration is needed for a species that lives underground — the burrow entrance structure and the silk webbing the spider constructs around it are the primary enclosure features. Our best tarantula cork bark guide covers appropriate pieces that can serve as webbing anchor points near the burrow entrance.
Substrate
15 to 20 centimetres of substrate for adults — deep enough for meaningful burrow construction in the Vietnamese tropical lowland conditions. Semi-damp substrate rather than saturated is the keeper recommendation — consistently moist throughout, reflecting the warm tropical forest floor and agricultural edge habitats of Vietnam where the soil remains moist from monsoon rainfall but drains freely. Coconut fibre, peat moss, or a coconut fibre and topsoil blend gives the moisture retention and structural firmness appropriate for the species. The documented occurrence in open agricultural areas between rice fields suggests tolerance for a wider range of soil types than strictly forest-interior species, but the consistently moist tropical character is the non-negotiable baseline. Our best tarantula substrate guide covers moisture-retaining blends appropriate for Vietnamese lowland tropical fossorial earth tiger species.
Water And Humidity
A shallow water dish at all times, refreshed every two to three days. Humidity of 75 to 85 percent is appropriate for the warm, monsoon-influenced tropical climate of Vietnam — consistently high and maintained through the moist substrate and water dish evaporation. Good ventilation alongside the humidity prevents stagnant air accumulation. A hygrometer confirms actual conditions, and a misting bottle handles targeted substrate moisture additions when the upper layers begin drying.
Heating And Temperature
Vietnam’s tropical climate maintains warm temperatures across most of the country year-round. A captive range of 75 to 82°F suits this species well — warm and consistent with the tropical lowland conditions of the Vietnamese forest and agricultural habitats. Most temperate indoor environments will need supplemental heat during cooler months. A side-mounted heat mat controlled by a thermostat provides reliable background warmth. A thermometer at substrate level confirms actual enclosure conditions.
Diet And Nutrition
Crickets, dubia roaches, and other appropriately sized invertebrates weekly for adults — prey offered near the burrow entrance in the evening. Feeding tongs are essential for every feeding interaction with this never afraid to confront a threat, more than happy to assume the threat posture Old World earth tiger. Remove uneaten prey within 24 hours. Our best tarantula food guide covers feeder options and sizing for medium to large Vietnamese tropical fossorial earth tiger species.
Compatibility
Solitary only. For breeding, the monsoon season transition provides the natural timing trigger for introduction attempts. A well-fed female and closely supervised introduction are essential.
Behavior And Temperament
A tough customer, never afraid to confront a threat and more than happy to assume the threat posture to ward off any potential threat or careless keeper — the full Old World earth tiger defensive profile without urticating hairs and with the explosive speed that characterises the entire Cyriopagopus genus. The documented occurrence in open agricultural landscapes makes field encounters between farmers and this spider presumably common, and the defensive intensity documented in keeper accounts reflects the behaviour of an animal that has evolved to confront disturbance directly rather than retreating into vegetation. The detailed abdominal tiger patterning is most visible at the burrow entrance during feeding interactions when the spider presents the abdomen during threat posturing or as it positions itself to strike at prey.
Handling
Not recommended under any circumstances. The genus-typical defensive intensity, absence of urticating hairs, and potent Cyriopagopus venom make this a strictly hands-off observation species. The tiger abdominal patterning and post-moult blue hues are best appreciated through the enclosure glass and during feeding interactions.
Health And Lifespan
Female lifespan spans 5 to 25 years in documented records. Males live considerably shorter lives. The species is robust within appropriate warm, moist tropical Vietnamese conditions. The consistently moist substrate is the most important ongoing care requirement — allowing it to dry out chronically is the fastest route to a declining C. longipes. Our tarantula dehydration article covers identification and recovery for dehydration concerns in moisture-requiring Southeast Asian fossorial species.
Price
Available from specialist Old World vendors with moderate regularity. Fangz TV and My Monsters are among vendors that have stocked this species. Slings typically sell for $30 to $70 USD. Juveniles range from $60 to $120. Confirmed adult females command $100 to $200 depending on size and source. Source captive-bred specimens only — Vietnam has wildlife protection legislation and the documented agricultural habitat context makes distinguishing captive-bred from recently wild-collected specimens particularly important for responsible sourcing. Everything needed to set up an appropriate deep fossorial enclosure for this Vietnamese earth tiger is on our best tarantula products page.
