Brazilian Black Tarantula Care Guide
There's a reason the Brazilian black tarantula shows up on almost every "best beginner tarantula" list ever written, and it isn't just the looks. It's an animal that will outlive your car, your phone, probably a couple of relationships, and it does it while barely asking anything of you.
What Is a Brazilian Black Tarantula?
The Brazilian Black Tarantula, or Grammostola pulchra (G. pulchra to keepers who go by the Latin), is a terrestrial tarantula that comes from a semi-arid, semi-tropical stretch of Brazil that genuinely gets cold in the winter, not the strict rainforest habitat people assume from the name. That matters for keeping it: this is a species that tolerates a cooler room better than most, which makes it more forgiving for a beginner without a dedicated heat source.
Adults are a uniform, velvety jet black across the legs, carapace, and abdomen, a look that comes in fully around 2.5 inches. Spiderlings don't hatch out black, though — they start with a black abdomen and a reddish-brown carapace, legs, and body, and darken up as they grow. Browse in-stock Brazilian black tarantulas here while you read, since sizes move fast.
Why Hobbyists Keep Coming Back to This Species, Grammostola pulchra
- Genuinely long-lived. Females run 20 to 30 years, males 3 to 5. That's the longest female lifespan of any species we carry — related genus Brachypelma runs similarly long, if you're comparing notes.
- Rock-solid calm temperament. This is one of the steadiest, least reactive species in the hobby, which is a big part of why it's a permanent beginner recommendation.
- A display animal that stays a display animal. No fading, no pattern to lose — the jet-black coloring holds for the life of the animal.
- Slow and steady growth. You get years with each size before a rehousing is even a conversation.
Brazilian Black Size and Growth
Spiderlings hatch out around 0.5 to 0.75 inches and top out at a genuinely full-grown 6 inches of diagonal leg span as adults. Growth runs on the slow side for the hobby, which sounds like a downside until you realize what it actually means: each enclosure lasts years, not months, and you're not rehousing a nervous animal every few weeks. Slow growth here is the success formula, not a warning — patience is rewarded with one of the longest-lived pets you'll ever own.
Enclosure & Housing Setup
Because this is a terrestrial species, floor space matters more than height. A spiderling in the 0.75–1 inch range does fine in a small deli-cup-style enclosure with at least 1.5 inches of substrate so it has room to burrow into — our own Square Invertebrate Enclosure (4.5" x 4.5" x 3", $8) is a budget option we use in-house for growouts up to about 2.5 inches, with vent holes small enough to hold even the tiniest slings. As it grows toward the 2.5–4 inch juvenile range, step up to something in the 8x8x6 inch range, and a full adult (5–6 inches) is comfortable in a 12x12x8 inch enclosure with 3–4 inches of coco fiber or peat-based substrate for burrowing and a shallow water dish always available.
Keep the temperature in the 65–75°F range — this species is genuinely fine on the cooler end of that if your house runs chilly in winter, which is rare in this hobby. Humidity doesn't need to be pushed; let the substrate dry out between light mistings rather than keeping it damp.
Feeding
Spiderlings take pinhead to 1/8 inch crickets or roaches roughly every 5–7 days. Juveniles move up to 1/4–1/2 inch prey on the same schedule, and adults take appropriately sized crickets or roaches (up to about an inch) roughly once a week, less often once fully grown, since a slow metabolism goes hand in hand with that slow growth rate. Don't be alarmed if an adult skips a week without eating — that's normal for this species — but we still recommend offering food weekly just in case. As a terrestrial species, it'll also take mealworms; we default to crickets since that's what we feed in-house, but roaches, mealworms, or any other appropriately sized feeder all work. Browse our feeder insects for crickets, roaches, worms, and more.
Is the Brazilian Black Tarantula Good for Beginners?
Yes, unambiguously. Calm temperament, forgiving of temperature swings, simple terrestrial setup, and a growth rate slow enough that you're never scrambling to upsize. If you want one animal that will still be with you in twenty years, this is the one to start with.
Tips When Buying a Brazilian Black Tarantula for Sale
Ask any seller directly whether the animal is captive bred (it should be — wild-collected G. pulchra is both harder to source and harder to justify), what size band you're actually getting versus the listing photo, and whether it ships with a heat pack if your area runs cold. This spiderling is in stock now at 1–1.25 inches if you want to start at the ground floor with one.
Frequently Asked Questions
Is the Brazilian black tarantula dangerous?
No. This is one of the calmest species in the entire hobby, rarely showing any defensive posture even when disturbed during enclosure maintenance.
How big does a Brazilian black tarantula get?
Adults reach about 6 inches in diagonal leg span, with the full jet-black adult coloration coming in around 2.5 inches.
How long do Brazilian black tarantulas live?
Females live 20 to 30 years — among the longest lifespans of any tarantula species. Males live a much shorter 3 to 5 years.
Do Brazilian black tarantula spiderlings look black?
No — spiderlings start with a black abdomen and reddish-brown legs, carapace, and body, and darken into the uniform jet-black adult coloring as they mature.
What do Brazilian black tarantulas eat?
Appropriately sized crickets or roaches, scaled to the animal — pinhead-sized for spiderlings up to roughly one-inch prey for adults, offered about once a week.
What Keepers Are Saying
Brazilian black buyers rate this species 4.7 out of 5 across 28 verified reviews:
"I absolutely love my tarantula! I picked it up at the expo in Daytona, and I couldn't be happier with my purchase. It arrived home healthy, is eating well, and is very energetic and active. Such a beautiful and healthy tarantula. I would definitely recommend!" — Tracy K., verified buyer
"My tarantula arrived in perfect condition! They came from North Carolina all the way to California so I was a little worried, but they were just fine. Already adapting the second I put them in their enclosure and already took a cricket!" — Ella M., verified buyer
"Everyone @ EU is Awesome! I love ordering here. All the animals I have added to my collection from them are strong and thriving and so gorgeous!" — Sarah S., verified buyer
A Few Ways to Grow the Collection
Already sold on the slow-and-steady terrestrial life? The Chaco Golden Knee (Grammostola pulchripes) is a genus-mate with the same easygoing temperament and a lot more color. If you want to try arboreal next, the Avicularia Pink Toe is one of our most popular beginner climbers.
Grab a free 0.75–1" Brazilian black with a qualifying order — the easiest way to add one to an existing order.
