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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".
Tarantulas have a tight cluster of small eyes that lay on their tubercule. Although they have 8 eyes, they have poor eyesight and can only detect contrasts between light and dark, which is why their hairs are so important. [4] The mouth of the P. Irminia is similar to all tarantulas.
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—those indigenous to the Americas—have bites that generally pose little threat to humans (other than causing localized pain). The primary defense deployed by these spiders is by means of urticating hairs, which can cause irritant symptoms in humans. Cobalt blue tarantula (Haplopelma lividum), an old-world species
Although like most new world tarantulas it possesses urticating hairs, if provoked, they would much rather flee than attack. Their venom is not as irritating as many other species of tarantulas. The Brazilian black is a slow grower, taking up to eight years to reach maturity, reaching up to 18 cm (7 in).
Grammostola is a genus of South American tarantulas that was first described in text by Eugène Louis Simon in 1892. [5] These medium- to large-sized spiders are native to tropical South America, and are usually brown in color, with pinkish or orangish-red hairs.
While all parts of both species are potentially toxic to pets, American mistletoe is far less toxic than European but can still cause discomfort if enough is eaten. Related: 15 Non-Toxic Plants ...
Poecilotheria is a genus of tarantulas native to India and Sri Lanka. It was first described by Eugène Louis Simon in 1885. [2] They are arboreal tarantulas, commonly known as ornamental tarantulas, [citation needed] known for their vivid color patterns, fast movement, and potent venom compared to other tarantulas.