Skip to product information
1 of 4

Westside Tarantulas

Acanthoscurria geniculata – Giant Brazilian White Knee Tarantula - Female For Sale

Acanthoscurria geniculata – Giant Brazilian White Knee Tarantula - Female For Sale

Regular price $275.00
Regular price Sale price $275.00
Sale Sold out
Shipping calculated at checkout.
Size and Sex

Acanthoscurria geniculata – Giant Brazilian White Knee

The Ultimate Display Tarantula

If there were a Mount Rushmore of tarantulas, the Giant Brazilian White Knee would undoubtedly earn a spot. Massive, bold, impossibly hungry, and covered in striking black-and-white contrast, Acanthoscurria geniculata has been one of the most iconic species in the hobby for decades. Whether you’re buying your very first “big spider” or adding another heavyweight to your collection, this species delivers everything hobbyists love about giant terrestrial tarantulas.

Nature’s Perfect Black & White Masterpiece

Few tarantulas command attention quite like the Giant Brazilian White Knee. Its jet-black body is dramatically contrasted by brilliant white bands wrapping every leg joint, creating one of the boldest and most recognizable patterns found in any tarantula. As adults, they become absolutely breathtaking—massive, thick-bodied spiders whose clean black-and-white coloration makes them impossible to ignore whenever they’re out on display.

A Giant That Loves to Be Seen

Unlike many heavy-bodied species that spend most of their lives hidden away, A. geniculata is famous for being out in the open. These confident giants spend much of their time sitting proudly on display, making them one of the best showcase species you can own. If you’re looking for a tarantula that guests will immediately notice the moment they walk into the room, this is it.

One of the Most Ferocious Feeders in the Hobby

If feeding response is your thing, prepare to be addicted. The Giant Brazilian White Knee is notorious for its explosive prey drive and will attack virtually anything that hits the enclosure. Watching these giants hunt is one of the reasons they’ve become such a staple among hobbyists. Fast-growing, incredibly hardy, and always hungry, they’re one of the most rewarding species to raise from a juvenile into a truly enormous adult.

The Perfect Introduction to Giant Bird Eaters

Despite their intimidating size, this species is remarkably forgiving to keep. Hardy, adaptable, and straightforward in its care, A. geniculata has become one of the most commonly recommended large terrestrial species for keepers wanting to step into the world of giant bird eaters. While individuals can be food-aggressive and occasionally kick urticating hairs, they are generally predictable and easy to maintain, making them an excellent choice for anyone looking to own an impressive centerpiece species.

If your goal is to own a tarantula that’s massive, constantly on display, grows quickly, feeds like an absolute monster, and looks incredible at every stage of its life, the Giant Brazilian White Knee is simply one of the best species money can buy. It’s no coincidence that after decades in the hobby, it remains one of the most recommended and universally loved tarantulas of all time.

View full details
WESTSIDE TARANTULAS

Species Profile

Everything You Need To Know At A Glance.
Experience Level
Beginner
Temperament
Bold & Food-Driven
Type
Terrestrial / New World
DLS
Adult Size
7–8+” DLS
Country of Origin
Brazil
Life Span
♀25+ Years

Care & Husbandry Guide

🏠 Enclosure & Substrate

Provide a spacious terrestrial enclosure with significantly more floor space than height. Use several inches of compactable coco fiber, soil-based tarantula substrate, or a similar mixture and provide a secure cork-bark hide. Juveniles may excavate or burrow, while larger animals often modify an existing retreat. Because adults become extremely heavy-bodied, keep the distance between the substrate and enclosure lid low to minimize the possibility of a dangerous fall.

🌡️ Temperature & Humidity

Keep at comfortable room temperatures, ideally around 70–78°F. Maintain mostly dry-to-slightly-moist substrate with access to a more moisture-retentive area rather than keeping the entire enclosure continuously wet. Good ventilation is essential, and a full water dish should always be available. Avoid stagnant or waterlogged conditions. 

 🍽️ Feeding & Water 

Juveniles can be offered appropriately sized crickets, roaches, or similar feeders approximately once a week. Larger specimens and adults generally do well with a substantial meal every 7–14 days, adjusting according to abdomen size and appetite. This species is particularly well known for an aggressive feeding response, so use care when opening the enclosure for feeding or maintenance. Keep a clean water dish available at all times and remove uneaten prey during premolt.

🕷️ Species-Specific Care 

Acanthoscurria geniculata is a large, fast-growing Brazilian terrestrial famous for its jet-black body, brilliant white leg banding, and exceptional feeding response. This is a hardy, highly visible species that often makes an impressive display animal, but its size and intense food response deserve respect. White Knees may readily kick urticating hairs when disturbed, so I recommend enjoying this species primarily as a display tarantula rather than routinely handling it.