Best 10 Cobalt blue tarantula facts, habits, diet

Cobalt blue tarantula

The Cobalt blue tarantulas with the scientific name of Cyriopagopus lividus also called the Haplopelma lividum, are native to the Cambodia, Laos, Malaysia, Vietnam, and Myanmar tropical rainforests. They have greenish to blue-colored cephalothorax and cobalt-blue-colored legs. Besides this, these Cobalt blue tarantula spiders have poor eyesight despite having eight eyes. They undergo the molting process once or twice a year. These animal species can live up to almost twenty to thirty years, while males do not have a much longer lifespan. Here, we are going to discuss many exciting facts about these medium-sized spiders.

Cobalt blue tarantula habits

These tarantula species are native to Thailand, Myanmar, and Southeast Asia tropical rainforests and those places where they appear to build deep burrows. The Cobalt blue tarantula habitat also includes that they mostly live in these burrows and leave them during the food search only. These spiders with bright cobalt blue-colored abdomen and brick-red colored mouthparts are also habitat to the Thailand and Singapore rainforests.

Cobalt blue tarantula size

They have an average length of about five to six inches, but this length can increase up to nine inches in the wild. These animal species also have a legspan of about five inches and a body length of about 2.5 inches. The males are very fast-growing and reach the maturity level in the very first year. If we talk about Cobalt blue tarantula little spiderlings, they have a length of about one centimeter, but will typically grow up to one inch during the molting process. 

Cobalt blue tarantula behavior

Although these are the most unique and beautiful spiders, they also show very moody and aggressive behavior. They do not like to be handled and will start sticking its fangs out on being touched. Furthermore, these species start biting in anger that is poisonous only for small prey, not humans. In the case of humans, their bite will only cause some pain, irritation, and cramps.

Cobalt blue tarantula adaptations

There are present many Cobalt blue tarantula modifications, some of which include that they do not have stinging hairs on their abdomens like other tarantula species. These spiders appear to use its sharp, vertical fangs as a defense mechanism; these fangs can impose painful bites. These species undergo molting process for growing more and recovering their body parts. Despite having eight eyes, they depend upon sensory receptors located on legs and body hairs.

Cobalt blue tarantula diet

Like all other animal species, these Cobalt blue tarantulas also require a proper diet for their survival. These carnivores feed on baby mice, beetles, worms, cockroaches, spiders, crickets, amphibians, and other small insects. The adult ones feed on crickets and other giant insects. In addition to this, researches have shown that these aggressive and swift hunters can remain live for a longer time without having any food. 

Cobalt blue tarantula 2


Cobalt blue tarantula facts

Some of the fascinating Cobalt blue tarantula characteristics are as mentioned below:

  1. The temperature range that must be maintained while keeping these tarantulas in captivity is between 80 and 90 degrees Celsius
  2. As they do not have urticating hairs and use biting as a defense, they are considered the old world tarantulas
  3. Unlike other tarantula spiders, they can undergo molting process once or twice a year
  4. The International Union for Conservation of Nature has still not listed these tarantulas
  5. The males and females appear to look similar until the final molt of the male ones

cobalt blue tarantula infographic

Cobalt blue tarantula predators 

The animals that eat these animal species and others are known as predators. The predators of these Cobalt blue tarantulas include spider-eating birds, wasps, snakes, and lizards. They are also used for the exotic pet trade purposes. Their population is declining because of many reasons; habitat loss is one of them. Many tropical rainforests and deserts are destroyed due to which the tarantulas’ population has dramatically affected.

Cobalt blue tarantula breeding

The female ones lay about one thousand eggs after mating with males. If we talk about Cobalt blue tarantula breeding size, the females’ size is larger and they have a longer lifespan than males. The eggs present in mothers’ silken burrow takes about sixty days to hatch. These spiders also have a very fast growth rate. It has been estimated that the female spiderlings grow up to the size of 7.62 centimeters after the very first year. 

Cobalt blue tarantula bite

Although these are spiders with stunning coloration, they show swift and aggressive behavior. They start biting during frustration, which is very dangerous for small prey. These Cobalt blue tarantula bites are not poisonous and deadly to humans but cause pain, redness, rashes, and irritation. In severe conditions, the bites can only cause cramps; the poison is then removed from the bloodstream. Their venom is only deadly or toxic to their prey.

Cobalt blue tarantula pet

As these are unique and beautiful tarantula species from the old world, they can also be used as pets. Many people buy them and take proper care of them. The Cobalt blue tarantula as pets are also very famous throughout the whole world. These spiders are suggested to only the experienced persons because their behavior and temperament can harm beginner ones. However, by providing these animal species with proper care and diet may increase their lifespan.

Cobalt blue tarantula care

There is a requirement of proper care for keeping these spiders as pets. For example, they must be kept in the tanks with a size of five to ten gallons. A shallow water bowl and a half-log or any hiding area must be present as the Cobalt blue tarantula spider’s habitat. You must also feed them with crickets, lizards, and other small or large insects about twice a week. Furthermore, they only require normal room light and must be kept in soft and deep surfaces of up to 3 to 5 inches.

Cobalt blue tarantula 3


Sometimes the people get confused even after reading the interesting facts and information about these beautiful and unique spiders and start raising some questions to make their minds clear. So the answers to some of those raised questions are as given below:

Do Cobalt blue tarantula bite?

Like all other spiders, these animal species also appear to do biting. But their venom is only deadly to small prey, not to humans. The bite’s strength and amount of venom are dangerous to prey only. However, to humans, their bite can only cause pain, redness, rashes, irritation, and sometimes cramps. This venom can then be cleaned out of the bloodstream.

Where are Cobalt blue tarantulas found?

They are present in Cambodia, Laos, Malaysia, Vietnam, Singapore, Thailand, and Myanmar tropical rainforests. These spiders are also native to the deep burrows which they build up themselves. They dig these burrows and leave them only during the time of hunting.

Can you handle a Cobalt blue tarantula?

Although these spiders have unique coloration and modifications, they also show some aggressive behavior, thus having a low temperament. They do not like to be handled and become so much aggressive on touching. These spiders even bite in anger, which can then cause severe harm to small prey. So, you must leave these tarantulas alone and do not handle them.

Do Old World tarantulas have urticating hairs?

No, the Old World tarantulas do not have urticating or stinging hairs and start attacking on disturbance. They are faster and much more nervous and defensive than the New World species. These tarantulas also appear to have medically significant venom and more strength than these New World species.

How fast do Cobalt blue tarantulas grow?

They have a much faster growth rate than other tarantula species. Estimations have shown that the spiderlings can grow up to about three inches after one year. They also undergo molting process once or twice a year. Molting is the process; these spiders use for their body parts’ regeneration and growth purposes.

Cobalt blue tarantula 4

Can tarantulas harm you?

As they can bite and have large fangs, they can harm a little to humans. However, these spiders are prevalent for giving dry biting, and these bites only cause itching, pain, and redness to humans. They usually bite to hurt, do not inject venom, and appear to get away after biting someone.


As we have discussed many of the exciting facts and information about these tarantulas, there are also present some threats to them. For example, their predators include spider-eating birds, wasps, snakes, lizards, and other small insects. They are also being used for exotic pet trade purposes. Due to these reasons and habitat loss, their population is gradually decreasing and hence are considered the critically endangered species. In addition to this, these Cobalt blue tarantulas can also be used as pets. But they must be provided with proper diet and care for their survival. They must be kept alone in soft and deep surfaces and fed with crickets twice a week for their proper growth.

You May Also Like

About the Author: Zoological world

Leave a Reply

Your email address will not be published. Required fields are marked *

%d bloggers like this: