Arachnid · Terrestrial tarantula
Rio Grande gold tarantula care guide
Aphonopelma moderatum
The rio grande gold tarantula is a beginner-level terrestrial tarantula from S Texas, NE Mexico. Adults reach Leg span 10–12 cm and live Females 20–30 years, males 5–8 years in captivity. Slow-growing desert species; keep it mostly dry with a water dish.
- Enclosure 30 × 30 × 30 cm
- Temp 22–28°C
- Humidity 40–55%
How much does a rio grande gold tarantula cost in Canada?
Rio Grande gold tarantula quick facts
- Skill level
- Beginner
- Adult size
- Leg span 10–12 cm
- Lifespan
- Females 20–30 years, males 5–8 years
- Activity
- Nocturnal
- Native range
- S Texas, NE Mexico
- Minimum enclosure
- 30 × 30 × 30 cm (12 × 12 × 12 in, ≈ 7 US gal)
- Housing
- Best kept alone.
- Temperature
- 22–28°C
- Humidity
- 40–55%
- UVB
- Not needed
- Diet
- Insectivore – crickets, dubia roaches, mealworms
- Bioactive style
- Terrestrial tarantula
Rio Grande gold tarantula enclosure & bioactive setup
Give one adult at least 30 × 30 × 30 cm (12 × 12 × 12 inches). Best kept alone. This species suits a terrestrial tarantula bioactive build.
- Leaf litter2 cm
- Jurassic ABG Tarantula Mix12 cm
Keep the gap between the soil surface and the lid no more than about twice the spider’s leg span, to prevent falls.
Temperature: 22–28°C. Humidity: 40–55%. UVB: Not needed.
What does a rio grande gold tarantula eat?
Insectivore – crickets, dubia roaches, mealworms. Adults: 1–2 appropriately sized insects every 7–14 days; slings: small prey 2–3 times a week.
Handling, temperament & health
Docile but best treated as a display animal; can flick urticating hairs that irritate skin and eyes.
Health watch: Watch for dehydration and stuck molts; always provide a water dish and never feed a molting spider.
Cleaning & maintenance schedule
Daily
- Quick visual check – no need to disturb.
Weekly
- Offer food; remove leftovers (boluses) within 24 h.
- Refill the water dish; overflow it slightly now and then to dampen one corner.
Monthly
- Check crew and moisture; a dry top with a slightly moist lower layer is ideal.
Yearly
- Rehouse into a larger enclosure as the spider grows.
Recommended for a rio grande gold tarantula bioactive
Quantities are for one minimum-size enclosure (30 × 30 × 30 cm).
Rio Grande gold tarantula FAQ
Is the rio Grande gold tarantula good for beginners?
Yes – the rio Grande gold tarantula is a good choice for beginners. Docile but best treated as a display animal; can flick urticating hairs that irritate skin and eyes.
What size enclosure does a rio Grande gold tarantula need?
At least 30 × 30 × 30 cm (about 12 × 12 × 12 inches, roughly 7 US gallons) for one adult. Best kept alone.
How much does a rio Grande gold tarantula cost in Canada?
Typically $60–150 CAD to buy, about $120–220 CAD for a complete bioactive enclosure, and $40–90 CAD a year to keep.
What temperature and humidity does a rio Grande gold tarantula need?
Temperature: 22–28°C. Humidity: 40–55%.
What does a rio Grande gold tarantula eat?
Insectivore – crickets, dubia roaches, mealworms. Adults: 1–2 appropriately sized insects every 7–14 days; slings: small prey 2–3 times a week.
Similar species
This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.