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Spiderling Cobalt Blue Tarantula, Cyriopagopus Lividus



Cobalt Blue Tarantula spiderlings or slings, known as Haplopelma lividum, are brown, fluffy youngsters that mature into metallic blue, aggressive, and venomous adults. These critters are best for experienced keepers, handling is not recommended.

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Cobalt Blue Tarantula spiderlings, formally known as Haplopelma lividum, grow into stunning, metallic blue spiders, but, as slings, are fluffy and chocolate-brown. Originating from the humid tropical rainforests of Southeast Asia, notably in countries like Myanmar and Thailand, these spiderlings slowly mature to display evergrowing shades and intensity of their blue hues. These spiderlings inherit the highly defensive and somewhat aggressive nature of their adult counterparts. Because of this, cobalt blue slings are not recommended for casual handling; they’re more for observing than interacting with. While they’re small now, mature females can grow up to a 6-inch leg span and have a considerable lifespan of 10 to 15 years, while males usually live for about 3 to 6 years. Being fossorial creatures, they prefer burrowing deep into the substrate, especially at this young age when they’re more vulnerable. Therefore, an enclosure that allows plenty of burrowing is best for these little critters. Their native habitat is very humid, a humidity level of 70-80% should be maintained in their enclosure. Regular misting and a water dish can help achieve this. To keep them comfortable, aim for a temperature range of 75-85°F (24-29°C), using heat mats if necessary. Because they’re an old-world species, they have strong venom that packs a punch, even at this young age. Due to these factors—strong venom, and aggressive temperament, these spiderlings are best suited for those who already have some experience in tarantula care, and should not be handled.


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Our Next-Day Guaranteed service promises same-day packing and delivery before 1 pm the following day for all orders placed. For standard livestock delivery, we dispatch orders within 1-5 working days, and once dispatched, your order will arrive in less than 24 hours.

We pride ourselves on our attention to detail- it’s a priority that your critters are safe & snugly packed.

When you receive your order, open it up and locate the transport container your pet is inside. Gently ease out your pet into the home you’ve prepared for it.

Ordering pets online can be nerve-wracking, we get it. Our 7-Day live guarantee is our way to ease nerves over the purchasing process.

We’re confident in the quality husbandry, shipping, and packaging of our livestock. On the rare occasion an animal arrives in poor condition, we will provide credit for the cost of that animal. If all animals in the shipment arrive in poor condition, we will also provide credit for the postage.

We try to make it as easy as possible to help any unwell critters, and ensure you can get your money back. There are a couple of steps to go through before a refund can be issued.

If you’ve received an unwell animal in the mail:

1. If it is safe to do so, (your pet is not medically significant or harmful) please remove the animal from its transport container, ideally onto your hand. We ask this as invertebrates, particularly insects, are experts at ‘playing dead’.

2. To provide you with the best advice going forward and to confirm the condition of your pet, we kindly request a short video of the animal in question before your refund can be processed. This can be uploaded on our ‘live guarantee refunds form’, or you can email it straight to us.

3. We typically respond within 24 hours, but please allow 1-3 working days for a response. Once it’s confirmed that you are eligible for a refund, we’ll get process the credit to your account.

We’ll need this information to reach us within 7 days after you’ve received your pet. We cannot provide any live guarantee to animals that have been refused, returned, or not collected.