Brazilian whiteknee tarantula (Acanthoscurria geniculata)
Photo: Insects Unlocked / CC0 · via Wikimedia Commons

Arachnid · Terrestrial tarantula

Brazilian whiteknee tarantula care guide

Acanthoscurria geniculata

Intermediate

The brazilian whiteknee tarantula is a intermediate-level terrestrial tarantula from N Brazil. Adults reach Leg span 18–22 cm and live Females 15–25 years, males 3–5 years in captivity. Large and bold. Solitary.

  • Enclosure 45 × 30 × 30 cm
  • Temp 24–28°C
  • Humidity 65–75%

How much does a brazilian whiteknee tarantula cost in Canada?

Animal$30–100Typical captive-bred price
Bioactive enclosure$130–230Enclosure $40–80 · equipment $40–90 · bioactive supplies ≈ $60
Yearly upkeep$50–100Food, supplements, bulbs, power, vet fund
First year total$210–430All prices CAD, estimates

Brazilian whiteknee tarantula quick facts

Skill level
Intermediate
Adult size
Leg span 18–22 cm
Lifespan
Females 15–25 years, males 3–5 years
Activity
Nocturnal
Native range
N Brazil
Minimum enclosure
45 × 30 × 30 cm (18 × 12 × 12 in, ≈ 11 US gal)
Housing
Best kept alone.
Temperature
24–28°C
Humidity
65–75%
UVB
Not needed
Diet
Insectivore – crickets, dubia roaches, mealworms
Bioactive style
Terrestrial tarantula

Brazilian whiteknee tarantula enclosure & bioactive setup

Give one adult at least 45 × 30 × 30 cm (18 × 12 × 12 inches). Best kept alone. This species suits a terrestrial tarantula bioactive build.

  1. Leaf litter2 cm
  2. 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: 24–28°C. Humidity: 65–75%. UVB: Not needed.

What does a brazilian whiteknee tarantula eat?

Insectivore – crickets, dubia roaches, mealworms. Adults: 2–4 large roaches or crickets every 7–10 days; slings eat heavily and grow fast.

Handling, temperament & health

Bold, defensive eater that kicks hairs; display only.

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 brazilian whiteknee tarantula bioactive

Quantities are for one minimum-size enclosure (45 × 30 × 30 cm).

Brazilian whiteknee tarantula FAQ

Is the brazilian whiteknee tarantula good for beginners?

The brazilian whiteknee tarantula is best for keepers with some experience (intermediate). Bold, defensive eater that kicks hairs; display only.

What size enclosure does a brazilian whiteknee tarantula need?

At least 45 × 30 × 30 cm (about 18 × 12 × 12 inches, roughly 11 US gallons) for one adult. Best kept alone.

How much does a brazilian whiteknee tarantula cost in Canada?

Typically $30–100 CAD to buy, about $130–230 CAD for a complete bioactive enclosure, and $50–100 CAD a year to keep.

What temperature and humidity does a brazilian whiteknee tarantula need?

Temperature: 24–28°C. Humidity: 65–75%.

What does a brazilian whiteknee tarantula eat?

Insectivore – crickets, dubia roaches, mealworms. Adults: 2–4 large roaches or crickets every 7–10 days; slings eat heavily and grow fast.

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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.