My Living World LW006 Interplay Spider World, Mixed

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The leg span of the largest individual measured was around 30cm and it is likely larger specimens are still to be recorded. The giant huntsman lives in caves and hunts insects and other spiders within this habitat. They will also lurk around cave entrances and catch birds, rodents, bats and even snakes if they come across them. A Common Phobia". phobias-help.com. Archived from the original on 25 June 2009 . Retrieved 2 August 2009. There are many common phobias, but surprisingly, the most common phobia is arachnophobia. We’ve used the most reliable and verified sources and studies to bring you the definitive ten biggest spiders in the world, and some surprising facts about these misunderstood animals. 10. Chaco Golden-Knee Tarantula (18cm) Although spiders are widely feared, only a few species are dangerous to people. [111] Spiders will only bite humans in self-defense, and few produce worse effects than a mosquito bite or bee sting. [112] Most of those with medically serious bites, such as recluse spiders (genus Loxosceles) and widow spiders (genus Latrodectus), would rather flee and bite only when trapped, although this can easily arise by accident. [113] [114] The defensive tactics of Australian funnel-web spiders (family Atracidae) include fang display. Their venom, although they rarely inject much, has resulted in 13 attributed human deaths over 50 years. [115] They have been deemed to be the world's most dangerous spiders on clinical and venom toxicity grounds, [111] though this claim has also been attributed to the Brazilian wandering spider (genus Phoneutria). [116] Schultz, Stanley; Schultz, Margeurite (2009). The Tarantula Keeper's Guide. Hauppauge, New York: Barron's. p.88. ISBN 978-0-7641-3885-0.

Foelix, Rainer F. (2011). Biology of Spiders (2nded.). New York: Oxford University Press. pp. 4–5. ISBN 978-0-19-973482-5. The fossil record of spiders is not very extensive. However, amber fossils of spiders, which are complete spiders trapped in tree resin, show us that a spider population similar to today’s existed 30 million years ago. Additionally, segmented spiders have survived in East Asia since the late Palaeozoic period until now. They live in caves and burrows and build trapdoors over them. They have not changed much from their ancestors. Habitat There are well over 45,000 known species of spider across the globe and possibly many more yet to be discovered. For the purposes of this piece, we will focus on the spiders that have the biggest leg-span, rather than which are heaviest. 1

Although the fossil record of spiders is considered poor, [84] almost 1000 species have been described from fossils. [85] Because spiders' bodies are quite soft, the vast majority of fossil spiders have been found preserved in amber. [85] The oldest known amber that contains fossil arthropods dates from 130million years ago in the Early Cretaceous period. In addition to preserving spiders' anatomy in very fine detail, pieces of amber show spiders mating, killing prey, producing silk and possibly caring for their young. In a few cases, amber has preserved spiders' egg sacs and webs, occasionally with prey attached; [86] the oldest fossil web found so far is 100million years old. [87] Earlier spider fossils come from a few lagerstätten, places where conditions were exceptionally suited to preserving fairly soft tissues. [86] Phoneutria spiders, the most common of which are often referred to as banana spiders or wandering spiders, are native to Brazil and have the most neurologically active venom of any spider. But they rank a bit lower on the list of the world's deadliest spiders because their venom works relatively slowly, leaving ample time for treatment. And Loxosceles spiders, the most familiar of which is the brown recluse ( L. reclusa) found in the U.S., may be one the most common causes of spider-related injuries, with painful bites that can cause body aches and fever and take months to fully resolve. But they are very rarely deadly. Mclver, J.D. & Stonedahl, G. (1993). "Myrmecomorphy: Morphological and Behavioral Mimicry of Ants". Annual Review of Entomology. 38: 351–77. doi: 10.1146/annurev.en.38.010193.002031.

Other animals that eat spiders are fish, snakes, toads, tarantula hawks, scorpions, spider wasps, centipedes, other spiders, bats, and small mammals like shrews. Ono, H. (2002). "New and Remarkable Spiders of the Families Liphistiidae, Argyronetidae, Pisauridae, Theridiidae and Araneidae (Arachnida) from Japan". Bulletin of the National Science Museum (Of Japan), Series A. 28 (1): 51–60. Spiders occur in a large range of sizes. The smallest, Patu digua from Colombia, are less than 0.37mm (0.015in) in body length. The largest and heaviest spiders occur among tarantulas, which can have body lengths up to 90mm (3.5in) and leg spans up to 250mm (9.8in). [51] Coloration There is still plenty we don’t know about the lifestyle and the life cycle of the Spider. With many of the species they are a huge mystery. Their numbers can be hard to identify too due to the fact that they have such a diversified habitat. Still, researchers continue to look for answers. Part of that research is also to find treatments that work well when someone has been bitten by a poisonous Spider. Levi, Herbert W. and Levi, Lorna R. (2001) Spiders and their Kin, Golden Press, pp. 20, 44. ISBN 1582381569

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Yeargan, K.V. & Quate, L.W. (1997). "Adult male bolas spiders retain juvenile hunting tactics". Oecologia. 112 (4): 572–76. Bibcode: 1997Oecol.112..572Y. doi: 10.1007/s004420050347. PMID 28307636. S2CID 424262. The type of diet for a particular spider species depends largely on its size; larger spiders have more options when it comes to potential prey items than smaller ones do. A few types of spiders survive solely by scavenging dead animals or consuming nectar from plants instead of living organisms like insects. In addition to these dietary habits, some spiders use toxins in the form of venom injected into their victims to make them easier to digest before consuming them whole. Predators Dunlop, J.A. (1996). "A trigonotarbid arachnid from the Upper Silurian of Shropshire" (PDF). Palaeontology. 39 (3): 605–14. The fossil was originally named Eotarbus but was renamed when it was realized that a Carboniferous arachnid had already been named Eotarbus: Dunlop, J.A. (1999). "A replacement name for the trigonotarbid arachnid Eotarbus Dunlop". Palaeontology. 42 (1): 191. Bibcode: 1999Palgy..42..191D. doi: 10.1111/1475-4983.00068. S2CID 83825904. Agnarsson, I. & Kuntner, M. (2005). "Madagascar: an unexpected hotspot of social Anelosimus spider diversity (Araneae: Theridiidae)". Systematic Entomology. 30 (4): 575–92. doi: 10.1111/j.1365-3113.2005.00289.x. S2CID 13871079. Penney, D. & Selden, P.A. Deltshev, C. & Stoev, P. (eds.). "European Arachnology 2005" (PDF). Acta Zoologica Bulgarica. Supplement No. 1: 25–39. Assembling the Tree of Life– Phylogeny of Spiders: a review of the strictly fossil spider families

a b c Coddington, J.A. & Levi, H.W. (1991). "Systematics and Evolution of Spiders (Araneae)". Annu. Rev. Ecol. Syst. 22: 565–92. doi: 10.1146/annurev.es.22.110191.003025. The primitive Liphistiidae, the "trapdoor spiders" of the family Ctenizidae and many tarantulas are ambush predators that lurk in burrows, often closed by trapdoors and often surrounded by networks of silk threads that alert these spiders to the presence of prey. [17] Other ambush predators do without such aids, including many crab spiders, [13] and a few species that prey on bees, which see ultraviolet, can adjust their ultraviolet reflectance to match the flowers in which they are lurking. [52] Wolf spiders, jumping spiders, fishing spiders and some crab spiders capture prey by chasing it, and rely mainly on vision to locate prey. [13] Portia uses both webs and cunning, versatile tactics to overcome prey. [62] Main article: Cultural depictions of spiders This Moche ceramic depicts a spider, and dates from around 300 CE.Found in Central and Eastern Africa, the king baboon spider is truly a king. With a leg span of over 19cm, they are the biggest spider in all of Africa. There are a variety of habitats where spiders can be found. Most species of spiders prefer living outdoors, where they build webs or hunt for prey on the ground or among vegetation. Common outdoor habitats include forests, fields, gardens, and deserts.

Juveniles of some spiders in the families Anyphaenidae, Corinnidae, Clubionidae, Thomisidae and Salticidae feed on plant nectar. Laboratory studies show that they do so deliberately and over extended periods, and periodically clean themselves while feeding. These spiders also prefer sugar solutions to plain water, which indicates that they are seeking nutrients. Since many spiders are nocturnal, the extent of nectar consumption by spiders may have been underestimated. Nectar contains amino acids, lipids, vitamins and minerals in addition to sugars, and studies have shown that other spider species live longer when nectar is available. Feeding on nectar avoids the risks of struggles with prey, and the costs of producing venom and digestive enzymes. [56]It seems that TikTok has also taken to jumping spiders as the latest favorite pet since they have a reputation for being intelligent, entertaining, charming, and curious. Pictures of pet spiders are frequent, and celebrities share that they have pet spiders and tarantulas (Billie Eilish has a Green Bottle Blue Tarantula.) If you are interested, the Internet is full of articles recommending types and providing helpful care information.