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HomeAny CategoryLive InsectsPet InvertebratesStraight Horned Baboon Tarantula - Ceratogyrus marshalli (Captive Bred)

Straight Horned Baboon Tarantula - Ceratogyrus marshalli (Captive Bred)

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$22.49 $29.99

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About This Product

SPECIAL NOTE: USPS forbids shipping venomous spiders or scorpions in the mail.

Because of this, we ship these animals FedEx priority overnight for a flat fee of $39.99.

  • A tarantula, but also a unicorn, this species’ funny horn seems to be related to their muscle attachments.
  • One of the easier to keep old worlds, with one of the least venomous bites of an old world species, this species is great for intermediate keepers looking to cut their teeth with more temperamental species.
  • Interior decorators in their own right, this species will very quickly rearrange substrate and lay down thick layers of web.
  • This species, while less temperamental than other old worlds, is still recommended for at least intermediate keepers due to their defensive nature.

Name: Ceratogyrus Marshalli, or “Straight Horned Baboon” Ceratogyrus has Latin roots meaning “Horn” and “Curved” probably referring to other members of the genus with less erect horns, Marshalli is a proper name, probably referring to a person with a history with the species.

Recommended Enclosure Size: The Ceratogyrus Marshalli is a terrestrial that likes to dig. The ideal enclosure size will provide at least 4x the spider’s diagonal leg span for surface area branching out in any direction, and be deep enough to accommodate a fair bit of substrate, at least 2” for spiderlings, and at least 8” for adults. Never provide more than twice your spider’s diagonal leg span as headspace above the surface of the substrate, as falls from greater than this height can be catastrophic.

Temperature: This species does like it on the warm side, though it will still thrive around a room temperature of 72 degrees fahrenheit, they do prefer it closer to 78-82 degrees fahrenheit.

Humidity: around 65%, they like their substrate bone dry, as a water source you can either provide a tattoo ink cup or small shallow bottle cap as a water dish, wet a small corner of substrate intermittently, or mist the sides of the enclosure twice a week so that the spider can drink the droplets.

Size: At the time of sale Ceratogyrus Marshalli sold by Josh’s Frogs are at least 1”. Females can achieve sizes of up to around a 5” diagonal leg span, males of this species mature significantly smaller, only attaining a diagonal leg span of 3”-3.5”

Age: Ceratogyrus Marshalli sold by Josh’s Frogs are at least 2-3 months old. Females of this species can live 8-10 years, males topping out at 3-4 years.

Feeding: At the time of purchase Ceratogyrus Marshalli sold by Josh’s Frogs are eating hydei fruit flies. As they age and molt their feeder insects should too, with the prey item being the size of the spider’s carapace or smaller. Spiderlings should be fed every 4-7 days, adults every 7-10. Never offer food to a spider less than a week after its most recent molt.

Sexing: Due to age, Ceratogyrus Marshalli spiderlings sold by Josh’s Frogs are sold as unsexed. Specimens of 2.5”-3” will be able to start being accurately sexed. The most accurate method will always be molt sexing. The molt of a female tarantula, between the top set of book lungs will have a slit with spermatheca and a uterus externus, which on a smaller spider will just be a flap that moves when manipulated with a toothpick or a pin. A male tarantula will have a much more plain slit that will not budge with attempts to manipulate it.

Color/Pattern: As spiderlings they are a mid brown color. As they age, their color turns to a matte gray/brown color, mottled with black patterning on the abdomen, striping on the legs, and a black starburst on the carapace surrounding their signature horn.

Social Behavior: This species should be housed solitarily, any attempt at cohabitation will likely end with cannibalism.

Breeding: Males and females of sexual maturity can be put in the same enclosure briefly for the purpose of mating. Ideally both will be fairly freshly molted and well fed. The male and female should be separated fairly immediately after insertion is observed (the male will generally initiate separation on his own after he has had success) or if the spiders are acting less than receptive or aggressive towards each other.

Natural Range: Zimbabwe and Mozambique

Links of Interest:

  • Arachnoboards: a community of spider enthusiasts that will be able to or have already answered almost any question you can think of with regards to tarantulas.

Still not sure if Straight horned baboon tarantula from Josh's Frogs is the right pet bug for you? Read the reviews below and see what other customers are saying!


After placing an order containing a live animal, you will receive a scheduling email containing our JotForm scheduling link to schedule your new pet's delivery date.

With this scheduling link, you will be able to schedule your order's delivery up to 30 days in advance. You will be able to choose a date of delivery for Tuesday-Saturday (Saturday arrival depends on the carrier's service availability) with the estimated time of arrival generally being 12pm, or 4:30pm for more rural areas. Overnight lows must be above 40°F to ship directly to you (or above 30°F for FedEx Ship Center pickups) as well as below 90°F by estimated time of arrival.

If you require further assistance, or prefer to talk to one of our Customer Service agents, please feel free to reach out to our [email protected] email or our phone line 1-800-691-8178.

Import/export restrictions on this product require that it can only be shipped to destinations within the United States.

Restrictions on this product that prohibit shipping to the following states: HI.

Live Arrival Guarantee

This product is covered under our Live Arrival Guarantee. If your insect/animal does not arrive in good health, we'll make it right, provided the following criteria are met:

  • If shipped Ground, the temperature experienced during shipping must remain between 20 and 85 °F.
  • If shipped Two Day, the temperature experienced during shipping must remain between -20 and 120 °F.

You'll be notified during the checkout process if your purchase qualifies for our guarantee.

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