Tarantula
Burrow Buddy fits this fella as a juvenile, but they will outgrow it at around 5" DLS. Plan for a large custom terrestrial (think 18×18×12 or bigger) with deep substrate. DM Big Z anytime if you want help speccing the next step.
Goliath Birdeater Tarantula for sale from Big Z's (Theraphosa blondi). Spice-rated keeper notes, care guidance, and live-arrival packing where eligible.
The biggest spider on Earth. Full stop.
This is the heavyweight champion of the spider world: by mass, the largest spider that exists. A leg span the size of a dinner plate, a body the size of a fist, fangs you can hear click. The true Goliath, Theraphosa blondi, comes from the rainforests of the Guyana Shield, and seeing one in person rearranges your sense of scale permanently.
It backs the size up with a wall of urticating hairs (keepers wear gloves and goggles for maintenance, genuinely), a thunderous feeding response, and a willingness to stand its ground. Care itself is not hard (moist substrate, great ventilation, a big floor), but this is an intermediate-plus animal with no chill, and it will outgrow a starter kit into a serious custom enclosure. The care guide is required reading, not optional.
The numbers live in the care guide. Enclosure size, temps, humidity, feeding schedule, premolt signs, handling boundaries: it's all in the care guide for this exact fella. Start with the full Advanced guide, or click for the quick Open the Simple version →
Theraphosa blondi - Spice 4 — Advanced. Baby Buddy — tiny slings only, and not for long (a Theraphosa grows fast); Burrow Buddy — a brief juvenile grow-out; Large humid custom burrow build for the adult — roughly a 20-gallon long or an 18×12×12 in (or larger) floor-space setup with deep, permanently damp substrate
Theraphosa blondi
Big Z's Quick Verdict: A giant advanced terrestrial/fossorial tarantula requiring space, humidity, and serious respect — 9–11 inches across (body to ~5 in), among the largest spiders on earth.
| Temp | 75–82°F |
|---|---|
| Humidity | High (80%+) |
| Setup | Large humid terrestrial/fossorial |
| Substrate | Deep moist soil/coco mix |
| Feeding | Large prey weekly or as body condition requires |
| Handling | NEVER |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Current Big Z's catalog: Yes
Theraphosa blondi
Keeper Snapshot: A giant advanced terrestrial/fossorial tarantula requiring space, humidity, and serious respect — 9–11 inches across (body to ~5 in), among the largest spiders on earth.
| Temperature | 75–82°F |
|---|---|
| Humidity | High (80%+) |
| Setup Type | Large humid terrestrial/fossorial |
| Substrate | Deep moist soil/coco mix |
| Feeding | Large prey weekly or as body condition requires |
| Care Difficulty | Spice 4 — Advanced |
| Handling | NEVER |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Goliath Birdeater Tarantula for sale from Big Z's (Theraphosa blondi). Spice-rated keeper notes, care guidance, and live-arrival packing where eligible.
The biggest spider on Earth. Full stop.
This is the heavyweight champion of the spider world: by mass, the largest spider that exists. A leg span the size of a dinner plate, a body the size of a fist, fangs you can hear click. The true Goliath, Theraphosa blondi, comes from the rainforests of the Guyana Shield, and seeing one in person rearranges your sense of scale permanently.
It backs the size up with a wall of urticating hairs (keepers wear gloves and goggles for maintenance, genuinely), a thunderous feeding response, and a willingness to stand its ground. Care itself is not hard (moist substrate, great ventilation, a big floor), but this is an intermediate-plus animal with no chill, and it will outgrow a starter kit into a serious custom enclosure. The care guide is required reading, not optional.
The numbers live in the care guide. Enclosure size, temps, humidity, feeding schedule, premolt signs, handling boundaries: it's all in the care guide for this exact fella. Start with the full Advanced guide, or click for the quick Open the Simple version →
Theraphosa blondi - Spice 4 — Advanced. Baby Buddy — tiny slings only, and not for long (a Theraphosa grows fast); Burrow Buddy — a brief juvenile grow-out; Large humid custom burrow build for the adult — roughly a 20-gallon long or an 18×12×12 in (or larger) floor-space setup with deep, permanently damp substrate
Theraphosa blondi
Big Z's Quick Verdict: A giant advanced terrestrial/fossorial tarantula requiring space, humidity, and serious respect — 9–11 inches across (body to ~5 in), among the largest spiders on earth.
| Temp | 75–82°F |
|---|---|
| Humidity | High (80%+) |
| Setup | Large humid terrestrial/fossorial |
| Substrate | Deep moist soil/coco mix |
| Feeding | Large prey weekly or as body condition requires |
| Handling | NEVER |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
Current Big Z's catalog: Yes
Theraphosa blondi
Keeper Snapshot: A giant advanced terrestrial/fossorial tarantula requiring space, humidity, and serious respect — 9–11 inches across (body to ~5 in), among the largest spiders on earth.
| Temperature | 75–82°F |
|---|---|
| Humidity | High (80%+) |
| Setup Type | Large humid terrestrial/fossorial |
| Substrate | Deep moist soil/coco mix |
| Feeding | Large prey weekly or as body condition requires |
| Care Difficulty | Spice 4 — Advanced |
| Handling | NEVER |
Humidity zones: Very Low under 30% - Low 30-60% - Low-Moderate 40-70% - Moderate 60-80% - Moderate-High 70-85% - High 80%+ - Very High 90%+
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