Cobalt Blue Tarantula: Facts, Lifespan, Care, Feeding, & Breeding

Cobalt Blue Tarantula (Cyriopagopus lividus)

Closeup of a cobalt blue Source

Cobalt Blue Tarantula (Cyriopagopus lividus) is old world tarantula originating from Asia, native to areas of Myanmar, Thailand, Vietnam, Cambodia. It’s known to be one of the most beautiful and magnificent tarantulas out there because of it’s iridescent, electric blue color. Cobalt Blue is a medium sized tarantula, very temperamental and quick in its movement. They are one of the most unique tarantulas from the old world, and they’re very popular as pets all around the world. However, their temperament and behavior make them quite dangerous for beginners, so they’re suggested only to experienced arachnid owners. With all that being said, let’s take a closer look at this very special and unique tarantula.

Cobalt Blue Tarantula Lifespan & Size 

Cobalt Blue Tarantula is medium sized, growing up to 5 inches in length (legspan). Females are known to be slightly larger than males, and they also live longer. Females are known to live up to 20 years, while males live from 5 – 8 years.

Cobalt Blue Tarantula Facts & Characteristics

Cobalt Blue is known to be one of the most unique tarantulas when it comes to its behavior. It is mainly known for it’s aggressive and moody behavior. When touched, it will quickly take on its defensive stance, sticking its fangs out and waiting to strike the attacker. Like most tarantulas, they don’t like to be bothered at all. Touching and moving them will only stress them out and make them more aggressive. It’s best to leave them alone and just observe their magnificence.

Apart from being very aggressive, they are also known to be very fast and flexible. Their quickness gives them the ability to catch their prey quickly, however, it also means they are likely to escape if they’re not properly taken care of. For all these reasons, they require some experience to be handled in the best manner, without any troubles.

The Vivid color

Perhaps their most unique feature is their beautiful iridescent blue color. A glowing, bright blue tarantula is not something you will see every day. Their legs are mostly iridescent blue with their bodies painted by light gray and sometimes brown colors. Females are known to be bluer than males, so if that’s your primary reason for getting one, make sure it’s a female.

As for their behavior, Cobalt Blue Tarantulas are known to be a burrowing species, which means they will likely need some deeper surface to make burrows. They will use these burrows to sleep, hide and stalk their prey. Don’t be too worried if you open up your tank and it tarantula seems to be missing, it’s probably hiding in its burrow. On top of that, Cobalt Blues LOVE to spread their web everywhere. Don’t be surprised if your tank is covered with intense webbing from these remarkable creatures. You should provide them with the proper environment to burrow and spread their webs – this will keep their stress away, and they should be calmer in attitude.

Handling & Bite

Most tarantulas don’t like to be handled, and Cobalt Blue Tarantula is no exception to that. Upon contact, they may display aggressive behavior and try to bite you. It’s best to leave them alone and not try to handle them. However, if you do try, make sure you keep them on top of your palms, use slow and precise movements and don’t give them any reason to bite you.

Their bite is venomous, and that venom is mostly used to kill smaller prey. Tarantula’s bite is not deadly for humans. However, it does cause a few issues. Apart from rash, redness, and pain, you may experience severe cramps because of the venom in your bloodstream. After a few days, it should be cleansed away from your body.

Cobalt Blue Tarantula Feeding

Like most other tarantulas, Cobalt Blue Tarantulas are carnivores – they love to be fed small live food. They do not like to eat dead animals as it doesn’t suit their predatory instinct. So if possible, try to give them as much live food as you can. Here are some foods that you can use:

  • Crickets
  • Cockroaches
  • Worms
  • Beetles
  • Baby Mice
  • Other small insects

Make sure these insects are gut-fed before feeding your tarantula. Loading your insects with vegetables before giving them to your tarantula is always a good idea. This will provide them with enough necessary vitamins to thrive. You should feed your tarantula once or twice per week; this should be enough to keep her well fed.

Make sure you have a small, shallow water dish that they can use – and try to refill it with fresh water every day.

Don’t be worried if your tarantula is refusing to eat. They are known to fast from time to time, and they can survive up to a few months without eating any food whatsoever.

Cobalt Blue Tarantula Care

The best way to take care of your Cobalt Blue Tarantula is to replicate their natural environment as much as possible. This will make them more peaceful and less stressed in the long run. In nature, they inhabit tropical rain forests of South East Asia and mostly stay on the ground, deep in their burrows. They prefer slightly warmer temperatures and lots of water. Dealing with their webbing might be tricky sometimes, but it shouldn’t be too hard to navigate in that area. As for the tank…

Tank / Habitat

The tank should be minimum 5 gallons in size, ideally 10 gallons. Cobalt Blue Tarantulas prefer to have a lot of space for burrowing, which means the surface should be soft and 3-5 inches deep. You can use bed-a-beast, peat moss or potting soil as a surface. They don’t require any lighting except normal room light. Keep the temperatures around 75-85°F, and humidity levels at around 75%. You can spray the surface from time to time, but your tarantulas will get most of their water from food and water dish.

Good tank for a tropical tarantula Source

On top of that, feel free to decorate your tank and give them some stones, branches and hollow logs that they can use to climb and hide. They will also love it for producing better and more efficient webs. You can use some plants too if you want.

Cobalt Blue Tarantula Breeding

As mentioned earlier, they are known to be very temperamental and aggressive creatures. This makes them a bit difficult to breed. The reason for this is because you will have to move them in order to get them to breed. However, it shouldn’t be too hard.

Once they’re brought together in the same tank, Cobalt Blue Tarantulas will start to signal one another in an attempt to get noticed. Once the male is ready, it will move in closer and attempt to lift the female up in order to transfer his sperm to her. This should be a fairly easy task for him, provided that she doesn’t grab him beforehand. This could take some time, but once the male manages to lift the female up, he will deposit his sperm, and the mating process is then over. You can separate them and return them to their original tanks after this.

Before attempting to breed them, make sure they are equal or at least close in size. If your female is a lot larger than male, she will try to eat him post or even prior to mating.

After the breeding is over, the female will carry the eggs inside of her and eventually you will see a large white egg sac carrying small tarantulas in the tank.

Cobalt Blue Tarantula Babies Source

With everything said, Cobalt Blue Tarantulas are one of the most amazing species to own if you have some experience in dealing with tarantulas. You should definitely give them a shot!