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Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. [2] As of December 2023, 1,100 species have been identified, with 166 genera. [3] The term "tarantula" is usually used to describe members of the family Theraphosidae, although many other members of the same infraorder (Mygalomorphae) are commonly referred to as "tarantulas" or "false tarantulas".
Molting is a very stressful time for a tarantula. Juveniles molt about every three months while adults molt every year or two. Depending on how much they eat can affect how quickly they molt. As P. Irminia goes into premolt, they will begin fasting, seek moisture, shed their abdomen hairs, and their skin will darken.
Aphonopelma is a genus of tarantulas native to the Americas. It includes nearly all the North American tarantula species north of Mexico and a considerable percentage of the tarantula species that range into Central America. Most are fairly large tarantulas with leg spans of 6 in (16 cm) or more.
New World tarantulas will, at the moment of danger, turn toward the attacker and briskly rub their hind legs against the opisthosoma throwing the urticating hairs in the direction of the enemy. The cloud of small bristles can get into the mucous membrane of small mammals and cause edema , which can be fatal.
Like all tarantulas, B. hamorii is an arthropod, and must go through a molting process to grow. Molting serves several purposes, such as renewing the tarantula's outer cover (shell) and replacing missing appendages. As tarantulas grow, they regularly molt (shed their skin), on multiple occasions during the year, depending on the tarantula's age ...
The Goliath birdeater (Theraphosa blondi) belongs to the tarantula family Theraphosidae.Found in northern South America, it is the largest spider in the world by mass (175 g (6.2 oz)) and body length (up to 13 cm (5.1 in)), and second to the giant huntsman spider by leg span. [1]
Aphonopelma chalcodes, commonly known as the western desert tarantula, desert blonde tarantula, Arizona blonde tarantula or Mexican blonde tarantula, is a species of spider belonging to the family Theraphosidae. It has a limited distribution in the deserts of Arizona and adjacent parts of Mexico but can be very common within this range.
Tliltocatl albopilosus (previously Brachypelma albopilosum) is a species of tarantula, [1] also known as the curlyhair tarantula. The species' native range is Costa Rica . [ 1 ] They are largely terrestrial, opportunistically burrowing spiders .