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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".
When a spider bites, the two parts of the chelicerae come together like a folding knife, and when making a threat display or actually preparing to bite, the spider will open the angle of the fangs with the basal portion of the chelicerae and also open the angle of the basal portion with the cephalothorax. [2]
Ephebopus cyanognathus, known as the blue fang tarantula, [2] is a species of tarantula (family Theraphosidae). It is endemic to French Guiana . [ 1 ] [ 3 ] It was first described by Rick C. West and Samuel D Marshall in 2000, and is somewhat commonly kept as pets.
The thick footed tarantula has powerful long venomous fangs that can grow up to 1 centimetre (0.39 in) long. Its body is 6 centimetres (2.4 in) with a leg span of 16 centimetres (6.3 in) so smaller than the size of a man's hand.
Fang: The final hinged part of the chelicera, normally folded down into a groove in the basal part of the chelicera; venom is injected via an opening near the tip of the fang [11] Femur: see segments; Fertilization duct: A duct in female entelegyne spiders leading from the spermathecae to the uterus [10] Larinioides cornutus spider showing ...
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 .
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.
The Chaco golden knee is a large tarantula, being able to reach between 7 and 8 inches in legspan (17.8-20.3 cm). Being a terrestrial tarantula, it has a heavy body. Mature males have longer legs and smaller bodies than females, and they possess tibial hooks or apophyses to hold back a female's fangs during mating.