Theraphosa apophysis

Theraphosa apophysis, also known as the Pinkfoot Goliath, hails from the steamy rainforests of Venezuela and Brazil. In the wild, they prowl the forest floor, dodging among roots, leaf litter, and fallen branches. Their patch of South America is a hot, humid paradise with nearly constant warmth, plenty of rainfall, and a good amount of forest gloom. These tarantulas are right at home in the soft, moist soil of their lowland jungle habitats, where the air is thick enough to cut with a knife and the humidity is certainly not for the faint-hearted. It’s safe to say you’re not likely to run into one on your local woodland stroll!

Hold onto your hats—adult females can reach a whopping 25–28 cm diagonal leg span, making them one of the world’s largest spiders. Males are typically more svelte, maxing out at a slightly smaller size and with lankier proportions. Growth is slow and steady at first, though these spiders eventually emerge as hulking tank-like adults. And yes, that’s enough spider for even the most enthusiastic hobbyist!

T. apophysis is a terrestrial behemoth with a fondness for burrowing when the mood takes them. In captivity, you'll find they love to create scruffy little hides, pile up substrate, and display impressive excavation skills. They're happiest with a deep, slightly damp floor to dig in and sturdy décor to lurk beneath. Don’t expect tree-climbing antics: this species is solidly ground-based. When feeling brave, they’ll stomp around like the jungle royalty they are, reminding any onlookers just how massive a spider can be!

Female T. apophysis can live upwards of 15 years if pampered with care, turning your spider shelf into a long-term commitment. Males, as is often the case with tarantulas, get the short straw—most only stick around for three to five years and usually pass away not long after their ultimate moult. So, if you want a long-term mate (at least in the spider sense), aim for a female!

Growth in Theraphosa apophysis is best described as slow and steady wins the race. Slings are tiny and delicate, but over a few years and plenty of hearty meals, they begin their transformation into lumbering adult giants. Warmth and consistent, generous feeding will speed things up a bit, but don’t expect a quick glow-up—it’s more marathon than sprint.

Despite their imposing looks, T. apophysis is usually more bark than bite—though 'bark' might mean a fantastic threat pose or a swift retreat to their hide. They’re generally shy, but can be jumpy and downright obstinate when cornered. Fast movers when spooked, they send impressive clouds of urticating hairs your way, so tread lightly. Not a spider for your lap, but a true marvel to watch from behind glass.

Theraphosa apophysis thrives at 24–26°C, mimicking its sultry rainforest roots. Temperatures should not dip below 20°C, and anything over 28°C can leave your spider grumpy (and potentially unwell). A reliable heat mat on the side or a warm room is usually enough—avoid direct heat under the tub, or you might end up with baked spider. Keep an eye on temperatures during winter; a thermostat is a great investment for peace of mind.

This is a rainforest denizen, so it relishes whopping humidity—aim for 75–85% RH. Provide a generously sized water dish at all times, and ensure the substrate stays moist but never swampy. Good airflow is key (no one wants a stagnant micro-jungle), so add plenty of ventilation holes. Mist lightly if needed, but let the top layer dry occasionally to prevent dreaded mould and mites. Your goal: humid, not mucky.

With their impressive size, you’d think they’d be out and about constantly! In reality, they’re prone to hiding by day and prowling by night, especially if there’s food about. Expect them to show off during feeding times or after a good misting. Juveniles may be more secretive, but adults sometimes lounge in the open for all to admire—especially if they’re expecting supper.

While you won’t get spectacular aerial hammocks, T. apophysis does use webbing, mostly to line its burrow, seal up its hide, or mark its kingdom with the occasional tripwire. Sometimes you’ll spot a scattered web mat to help with moulting or feeding. If you’re hoping for a decorator, look elsewhere; if you like a bit of practical home improvement, you’ll enjoy their style.

Theraphosa apophysis has an appetite worthy of its size—juveniles and slings should be offered small crickets, mealworms, or roaches twice a week, scaling up prey size as they grow. Adults are happy with large locusts, dubia roaches, or the odd (gut-loaded!) superworm every 7–10 days. Avoid overfeeding, as this species can pile on weight quickly; think rugby prop, not sumo wrestler. Always remove uneaten food within 24 hours, especially during premoult, and never offer anything too big or aggressive. Watching an adult Pinkfoot tackle dinner is a spectacle—just mind your fingers at feeding time!

Go large or go home! A roomy, escape-proof enclosure with at least 45 x 45 cm of floor space is recommended for adults. Substrate should be deep—10–15 cm of coco fibre or a similar mix—to support burrowing. Sturdy cork bark, half logs, or similar hides are essential for that all-important sense of security. Good cross-ventilation will help manage humidity (and reduce musty smells). Always provide a large, shallow water dish, and keep the substrate moist but never soggy. Avoid sharp decorations—a bruised spider is a sad spider. Routine spot cleaning and occasional full substrate changes will go a long way toward keeping things fresh.

This species is best reserved for keepers with some experience under their belt. T. apophysis’s size, humidity requirements, and defensiveness mean it’s not ideal for absolute beginners. If you’ve kept large terrestrials before and feel ready for a rainforest juggernaut, you’re in for a treat. Novices, get a few smaller species under your belt first!

Theraphosa apophysis really is the Big Friendly Giant of the tarantula world—with a few quirks. Their sheer size, rainforest charm, and the legendary ‘pink toes’ lend wow-factor to any collection (and impress even the most spider-resistant houseguest). That said, they're best for the dedicated keeper willing to juggle humidity, space, and the odd cloud of defensive hair. Their presence is captivating to watch, and raising a sling into an enormous jungle monster is a uniquely satisfying challenge. If you’re up for a bit of work and a lot of spider, the Pinkfoot Goliath will make your shelf the talk of the hobby.