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Colombian Giant Redleg Tarantula - Megaphobema robustum (Captive Bred)

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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 giant and beautiful species from Colombia, this spider is a sight to behold as an adult, often attaining a diagonal legspan of up to 8 inches
  • A defensive species known for kicking hairs, when threatened will often freeze up and stretch out in full before making a run for it.
  • Reclusive and skittish, the rare sight of this spider is a treat when they decide to show themselves, since they generally choose to be burrowed more often than not.

The Megaphobema robustum is commonly known as the Colombian Giant Red Leg, its species name has Greek and Latin roots meaning “large and fearsom” and “robust”


This is a terrestrial species. Surface area of the enclosure should be no less than two times the spider's diagonal leg span in one direction and three times the diagonal leg span in the other. The enclosure should be tall enough to accommodate 2"-3" of substrate for slings and 4"+ for adults. Never allow your terrestrial spider more than two times their diagonal leg span as head space above their substrate as a fall from any higher could be catastrophic.


Ideally kept in the 76-84 degree range, temperatures consistently 5 or more degrees outside of this range should be avoided for the wellbeing of the spider.


70%-85%, this can be achieved simply by making sure the substrate is lightly moist.


Specimens sold by Josh's frogs will be at least 2"-2.5” at time of sale. Adults can reach up to 8" diagonal leg span.


M robustum babies sold by Josh's Frogs are at least 2-3 months old. Males reach 4-5 years, with females drastically outliving them at 20+ years.


At time of sale they are eating 1/2” crickets one time per week, food should be sized to about the size of the spider's carapace. Older spiders can eat less frequently, with adults eating every 10-14 days.


Due to age, M robustum spiderlings sold by Josh's Frogs are sold as unsexed. Specimens of 2.5"-3" diagonal leg span will be able to start being accurately sexed. The most accurate method is always molt sexing, the molt of a female tarantula of appropriate size will have spermatheca and a uterus externus in between the top two sets of book lungs that will appear as a "flap" that will catch and open if a pin is gently run down this section of the old exoskeleton. Males will have a much more plain slit that will not budge with attempts to manipulate it.


Slings already have most of their adult coloration, their carapace and abdomen are a velvety black with some reddish hairs on the abdomen, their legs are almost brick red.

Social behavior:

Megaphobema robustum are not social creatures and any attempt to cohabitate will likely result in cannibalism.


Spiders for breeding purposes should remain supervised when together and should only be attempted well fed. Mature males can be put in the enclosure of a mature female for courtship/mating. Remove male promptly after insertion is observed, or immediately if female is aggressive rather than receptive.

Natural Range:



After placing your order someone from our care team will reach out to schedule delivery of this product.

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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5.0 out of 5 stars

Arrived safe and sound!

I have always had good luck ordering from Josh's frogs, this purchase was no different. Tarantula was larger than 2.5 inches, and had to do a couple rehouses, other than that it arrived safely as expected. Customer service called me about weather forecast and shipping and kept in good contact with me throughout the travel time. Will buy from JF again.

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