Tapinauchenius sanctivincenti
St Vincent Featherleg Tarantula: Advanced Care Guide
Keeper Snapshot: A Caribbean arboreal built entirely around speed. Give it height, a vertical cork slab to silk behind, moderate moisture and hard ventilation, and it is genuinely easy to keep. The difficulty is not husbandry, it is containment: this is one of the fastest tarantulas in the hobby and it will be out of the enclosure and across the room before you have registered the lid moving. Plan every rehouse in a closed room with the route cleared. No urticating hair, not aggressive, just faster than you. Keep it spicy. - Big Z
Group: TarantulasDifficulty: Spice 4: AdvancedSetup: Arboreal with vertical cork, height over floor, and strong ventilationHandling: Never. Catch cup only, in a closed room, with the transfer route planned first.
Use This Guide Safely
- Confirm the exact animal. Match this guide to the species, locality, size, and life stage on your label. If the ID is uncertain, use the more conservative part of the range and ask before changing the setup.
- Change one thing at a time. Treat temperature and humidity as target zones, then watch posture, burrowing, drinking, feeding, and molt behavior before making another adjustment.
- Respect the handling boundary. If the guide says no handling, fast, defensive, or medically significant, plan transfers with catch cups, locked lids, and no bare hands. For serious bites, stings, or symptoms, seek emergency medical care.
Quick Snapshot
| Temperature | 72-80F working room range. Lesser Antillean origin means steady warmth suits it and it does not need or want a sharp night drop. A normally heated room is sufficient; avoid heating that dries the enclosure out. |
|---|---|
| Humidity | No numeric % target. Manage by method: moderate and well ventilated. Keep a water dish full, lightly dampen one lower area of substrate when it dries out, and let the enclosure breathe between waterings. Arboreals die from stagnant wet air far more often than from low humidity, so airflow takes priority over moisture. |
| Setup Type | Arboreal with vertical cork, height over floor, and strong ventilation |
| Substrate | 2-3 in on the floor, enough to hold moisture and cushion a fall, not for burrowing. The important furniture is vertical: a cork slab or tube reaching most of the enclosure height, anchored so it cannot topple, with the animal given a gap behind it to silk into. Add fake foliage for cover and additional anchor points. |
| Feeding | Supplied 2.5-3 in animals: one appropriately sized cricket or roach every 7 days. Slings: small prey twice weekly. Adults: one suitable meal every 7-14 days. Prey no longer than the spider's body. This genus has a fast, confident feeding response and rarely refuses outside of premolt. Remove uneaten prey within 24 hours and withhold through premolt. |
| Care Difficulty | Spice 4: Advanced |
| Handling | Never. Catch cup only, in a closed room, with the transfer route planned first. |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Enclosure Format / Size Class
- Sling: small tall enclosure with a vertical anchor and openings narrower than the animal, lightly moist
- Juvenile (the supplied 2.5-3 in animals): tall enclosure with full-height cork, 2-3 in substrate, strong ventilation
- Adult: tall arboreal build sized from the measured animal, full-height anchored cork, upper and lower ventilation, secure lid
Warnings First
- SPEED IS THE HAZARD. Tapinauchenius are among the fastest tarantulas kept. Assume it will bolt every single time the enclosure is opened.
- Rehouse in a closed room with the door shut, the floor clear, and the destination enclosure already open and positioned.
- No urticating hair and no reputation for aggression. It is not trying to bite you, it is trying to leave. That still ends with a lost spider.
- No handling at any size.
- Stagnant wet air is the main husbandry killer. If you have to choose between more moisture and more airflow, choose airflow.
- Do not disturb the silk retreat. A stressed arboreal that abandons its retreat will pace the enclosure and is far more likely to bolt.
Simple Care
- Maintain 72-80F, steady, no sharp night drop.
- Height over floor space. Vertical cork reaching most of the enclosure height, firmly anchored.
- 2-3 in of substrate on the floor for moisture and fall cushioning, not for digging.
- Ventilate hard. Cross-ventilation plus upper vents. Stagnant humid air kills arboreals.
- Keep a water dish full and dampen one lower area when the substrate dries out.
- Feed weekly at this size. Expect an immediate, enthusiastic response.
- Plan every enclosure opening as a containment problem. Closed room, cleared route, catch cup ready.
Advanced Keeper Notes
Enclosure & Microclimate
- Vertical anchor placement is what determines whether the animal settles. Give it a slab it can silk behind rather than an open surface it must sit exposed on.
- Ventilation is placed both low and high so air actually moves through the column rather than sitting still at the top where the spider lives.
- Floor substrate exists for humidity buffering and fall cushioning only. Depth is wasted on this genus.
Feeding, Growth & Maintenance
- Cadence is conservative genus-level practice keyed to abdomen condition rather than a species-specific published schedule.
- Tapinauchenius feed aggressively and grow quickly relative to New World terrestrials, so expect more frequent molts and plan rehouses accordingly.
- Post-molt timing uses physical checks - dark fangs, firm exoskeleton, normal movement - rather than a day count.
Possible Origin / Range
- Likely native range: Saint Vincent, in the Lesser Antilles. The supplier provided no collection locality or captive-bred provenance for the purchased animal, so no finer origin claim is made.
- Habitat translation: Caribbean forest tree hollows and bark crevices become a tall enclosure with anchored vertical cork, a shallow moisture-holding floor, moderate humidity, and hard cross ventilation. Labeled synthesis of general Tapinauchenius captive practice and Big Z's house standards.
Advanced Keeper Details
- Tapinauchenius sanctivincenti (Walckenaer, 1837) is the accepted name. Short iridescent setae give the chestnut-to-bronze-to-purple shift that distinguishes it in the trade; colour is strongest immediately after a molt.
- Big Z's genus-level guide for Tapinauchenius spp. carries Spice 3. This species-specific guide sets Spice 4, matching the linked product, on the basis of containment risk rather than any venom or temperament concern. The discrepancy is deliberate and should be settled during keeper review.
- No sex or formal life stage was supplied. Size lane is assigned from the measured 2.5-3 in figure on the invoice.