Westside Tarantulas

Xenenthis immanis - Cosmic Abyss Bird Eater - Extremely RARE! - (Back Fire C.F.)

$375.00

Sale Sold out

Shipping calculated at checkout.

Size and Sex 1.75+ inch - Unsexed Juvenile - (Back Fire C.F.) ♀3.75 inch - Female! - EXTREMELY RARE! - (Back Fire C.F.) ♀Adult Female - 7-8 inch DLS - (Back Fire C.F.)

Quantity

Cosmic Abyss Bird Eater (Xenenthis immanis) “Back Fire”

A Galactic Giant Unlike No Other

If you’re looking for a tarantula that combines massive size, effortless care, and jaw-dropping cosmic hues, the Cosmic Abyss Bird-Eater (Xenesthis immanis) is in a league of its own. Reaching a staggering 8+ inches in diagonal leg span, this species rivals the largest New World tarantulas while displaying an otherworldly iridescence. Unlike most Xenesthis species, which are notoriously delicate, the immanis is built to thrive, making it one of the hardiest and easiest Xenesthis to own.

An Out-of-This-World Aesthetic

Most Xenesthis species are revered for their intense coloration, but this locale of Xenesthis immanis is something truly special. Originating from an isolated region of Colombia, females of this lineage (The Black Fire lineage) have developed deep purple and blue hues on their femurs—a trait normally reserved for mature males. The result? A tarantula that looks like it absorbed the cosmos itself. With a stunningly vibrant pink carapace, bold black legs, and shimmering metallic hues, the Cosmic Abyss Birdeater is one of the most striking tarantulas in the entire hobby!

Built to Withstand!

Unlike other members of the Xenesthis genus, which require cool and humid environments, Xenenthis immanis is uniquely adapted to survive. This species hails from a rural, temperamental climate, where it faces dramatic temperature drops and heat waves. Because of this, the Cosmic Abyss Bird Eater is exceptionally hardy and adaptable, making it an excellent choice for keepers who want a high-end, exotic species without the usual maintenance challenges.

Why This Species Belongs in Your Collection

The Cosmic Abyss Bird Eater (Xenenthis immanis) is massive, vibrant, and effortlessly impressive. It’s the perfect display tarantula, always commanding attention with its size and color-changing iridescence. Unlike other large tarantulas “Such as Pamphobeteus” that prefer to stay hidden, this Xenesthis is an active, visible, and confident predator. Easy to care for, surprisingly resilient, and visually unmatched, this rare and exclusive locale is an absolute must-have for serious collectors. If you’ve been waiting for the ultimate show-stopping tarantula, this is it. The Cosmic Titan is here—will you be one of the lucky few to own one?

View full details

WESTSIDE TARANTULAS

Species Profile

Everything You Need To Know At A Glance.

Experience Level

Beginner

Temperament

Docile, Confident, Non-Defensive & Out On Display

Type

Terrestrial / New World / Giant Species

Adult Size

8+” DLS

Country of Origin

Colombia – “Back Fire” Hobby Form

Life Span

♀30+ Years

Care & Husbandry Guide

🏠 Enclosure & Substrate

Provide a large terrestrial enclosure with 4–6 inches of compactable substrate, a cork-bark retreat, and plenty of usable floor space. Younger specimens may dig beneath their hide, so allow enough substrate for natural excavation. As they grow, prioritize horizontal space and keep climbing height low since mature females become extremely large and heavy-bodied.

🌡️ Temperature & Humidity

Keep this species around 72–78°F with moderate moisture and good ventilation. I recommend keeping one portion of the substrate slightly moist while allowing the opposite side to remain drier. Smaller slings benefit from more consistent moisture while establishing, but larger specimens are fairly adaptable. Avoid keeping the entire enclosure constantly wet or stagnant.

🍽️ Feeding & Water

X. immanis are excellent eaters with a powerful feeding response and relatively fast growth. Growing specimens can be offered appropriately sized crickets or roaches once or twice a week, while larger animals can be fed every 7–14 days depending on body condition. Always provide a large clean water dish. Reduce feeding as the abdomen becomes noticeably plump, and remove uneaten prey during premolt.

🕷️ Species-Specific Care

Cosmic Abyss Bird Eaters are massive, surprisingly docile, and relatively easy to care for despite their rarity. This Back Fire form is particularly impressive, combining the enormous size of Xenesthis with a relaxed personality. They appreciate a spacious terrestrial setup with plenty of floor space, a water dish, and access to both moist and drier substrate. Younger specimens may spend more time hiding or digging, while larger animals often become more comfortable sitting completely out in the open.