Wandering Spider
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Wandering Spider
Wandering spiders (''Ctenidae'') are a family (biology), family of spiders that includes the Phoneutria, Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. They are highly defensive and venom (poison), venomous nocturnal hunters. Wandering spiders are known to hunt large prey, for example hylid species ''Dendropsophus branneri.'' Despite their notoriety for being dangerous, only a few members of ''Phoneutria'' have venom known to be hazardous to humans, but the venoms of this family are poorly known, so all larger ctenids should be treated with caution. Genera , the World Spider Catalog accepts the following genera: *''Acantheis'' Thorell, 1891 — Asia *''Acanthoctenus'' Keyserling, 1877 — South America, Central America, Jamaica, Mexico *''Africactenus'' Hyatt, 1954 — Africa, India *''Afroneutria'' Polotow & Jocqué, 2015 — Africa *''Amauropelma'' Raven, Stumkat & Gr ...
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Phoneutria Nigriventer
''Phoneutria nigriventer'' is a species of Medically significant spider bites, medically significant spider in the family Ctenidae, found in the Southern Cone of South America (Brazil, Uruguay, Paraguay, and Argentina). Along with other members of the genus, they are often referred to as Brazilian wandering spiders. Its bite can cause severe symptoms, including extraordinary pain, increased pulse, blood pressure, and respiratory rate, penile erection (priapism) that lasts for several hours, and in Phoneutria#Reported_cases, several documented cases, death.Natural Viagra: Spider bite causes prolonged erection
''Live Science'', April 30, 2007. Accessed July 9, 2019.


Description and behavior

''Phoneutria nigriventer'' is a large spider. Its maximum body ...
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Anahita (spider)
''Anahita'' is a genus of wandering spiders first described by Ferdinand Karsch in 1879. Species it contains twenty-nine species, many from Africa and Asia: *'' Anahita aculeata'' (Simon, 1897) – West, Central Africa *'' Anahita blandini'' Benoit, 1977 – Ivory Coast *'' Anahita centralis'' Benoit, 1977 – Central Africa *'' Anahita concrassata'' Benoit, 1977 – Burundi *'' Anahita concreata'' Benoit, 1977 – Congo *'' Anahita concussor'' Benoit, 1977 – Congo *'' Anahita denticulata'' (Simon, 1884) – Myanmar, Indonesia (Simeulue) *'' Anahita faradjensis'' Lessert, 1929 – Congo *'' Anahita fauna'' Karsch, 1879 ( type) – Russia (Far East), China, Korea, Japan *'' Anahita feae'' ( F. O. Pickard-Cambridge, 1902) – Myanmar *'' Anahita jianfengensis'' Zhang, Hu & Han, 2011 – China *'' Anahita jinsi'' Jäger, 2012 – China *'' Anahita jucunda'' ( Thorell, 1897) – Myanmar *'' Anahita lineata'' Simon, 1897 – Ivory Coast, Congo *'' Anahita lycosina'' (Simon, 1897) ...
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Ctenus
''Ctenus'' is a genus of Ctenidae, wandering spiders first described by Charles Athanase Walckenaer in 1805. It is widely distributed, from South America through Africa to East Asia. Little is known about the toxic potential of the genus ''Ctenus''; however, ''Ctenus medius'' has been shown to share some toxic properties with ''Phoneutria nigriventer'', such as proteolytic, hyaluronidase and phospholipase activities, in addition to producing hyperalgesia and edema. The venom of ''C. medius'' also interferes with the complement system in concentrations in which the venom of ''P. nigriventer'' is inactive, indicating that some species in the genus may have a medically significant venom. The venom of ''C. medius'' interferes with the complement component 3 (C3) of the complement system; it affects the central factor of the cascades of the complement, and interferes with the lytic activity of this system, which causes stronger activation and consumption of the complement components. Unl ...
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Ciba (spider)
''Ciba'' is a genus of Caribbean The Caribbean (, ) ( es, El Caribe; french: la Caraïbe; ht, Karayib; nl, De Caraïben) is a region of the Americas that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Se ... wandering spiders first described in 2014. it contains only two species. References Araneomorphae genera Ctenidae {{Ctenidae-stub ...
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Chococtenus
''Chococtenus'' is a genus of spiders in the family Ctenidae Wandering spiders (''Ctenidae'') are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. They are hig .... It was first described in 2015 by Dupérré. , it contains 15 species, all from South America. Species ''Chococtenus'' comprises the following species: *'' Chococtenus acanthoctenoides'' (Schmidt, 1956) *'' Chococtenus cappuccino'' Dupérré, 2015 *'' Chococtenus cuchilla'' Dupérré, 2015 *'' Chococtenus duendecito'' Dupérré, 2015 *'' Chococtenus fantasma'' Dupérré, 2015 *'' Chococtenus kashakara'' Dupérré, 2015 *'' Chococtenus lasdamas'' Dupérré, 2015 *'' Chococtenus luchoi'' Dupérré, 2015 *'' Chococtenus miserabilis'' (Strand, 1916) *'' Chococtenus neblina'' Dupérré, 2015 *'' Chococtenus otonga'' Dupérré, 2015 *'' Chococtenus otongachi'' Dupérré, 20 ...
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Centroctenus
''Centroctenus'' is a genus of South American wandering spiders first described by Cândido Firmino de Mello-Leitão Cândido Firmino de Mello-Leitão (July 17, 1886 – December 14, 1948) was a Brazilian zoologist who is considered the founder of Arachnology in South America, publishing 198 papers on the taxonomy of Arachnida. He was also involved with educ ... in 1929. Species it contains eleven species: *'' Centroctenus acara'' Brescovit, 1996 – Brazil *'' Centroctenus alinahui'' Brescovit, Torres, Rego & Polotow, 2020 – Ecuador *'' Centroctenus auberti'' ( Caporiacco, 1954) – Venezuela, Brazil, French Guiana *'' Centroctenus chalkidisi'' Brescovit, Torres, Rego & Polotow, 2020 – Brazil *'' Centroctenus claudia'' Brescovit, Torres, Rego & Polotow, 2020 – Brazil *'' Centroctenus coloso'' Brescovit, Torres, Rego & Polotow, 2020 – Colombia *'' Centroctenus dourados'' Brescovit, Torres, Rego & Polotow, 2020 – Brazil *'' Centroctenus irupana'' Brescovit, 1996 ...
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Celaetycheus
''Celaetycheus'' is a genus of South American wandering spiders first described by Eugène Simon in 1897. Species it contains ten species, all found in Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...: *'' Celaetycheus abara'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus aberem'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus acaraje'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus beiju'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus bobo'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus caruru'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus flavostriatus'' Simon, 1897 ( type) – Brazil *'' Celaetycheus moqueca'' Polotow & Brescovit, 2013 – Brazil *'' Celaetycheus mungunza'' Polotow & Brescovit, 2013 – Brazil *'' Celaet ...
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Caloctenus
''Caloctenus'' is a genus of wandering spiders first described by Eugen von Keyserling in 1877. Species it contains six species: *'' Caloctenus abyssinicus'' Strand, 1917 – Ethiopia *'' Caloctenus aculeatus'' Keyserling, 1877 ( type) – Colombia *'' Caloctenus albertoi'' Hazzi & Silva-Dávila, 2012 – Colombia *'' Caloctenus carbonera'' Silva-Dávila, 2004 – Venezuela *'' Caloctenus gracilitarsis'' Simon Simon may refer to: People * Simon (given name), including a list of people and fictional characters with the given name Simon * Simon (surname), including a list of people with the surname Simon * Eugène Simon, French naturalist and the genus ..., 1897 – Venezuela *'' Caloctenus oxapampa'' Silva-Dávila, 2004 – Peru References Araneomorphae genera Ctenidae Spiders of Africa Spiders of Asia Taxa named by Eugen von Keyserling {{Ctenidae-stub ...
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Califorctenus
''Califorctenus'' is a genus of spiders in the family Ctenidae. It was first described in 2017 by Jiménez, Berrian, Polotow, and Palacios-Cardiel. , it contains only one species, ''Califorctenus cacachilensis'', also known as the Sierra Cacachilas wandering spider. ''Califorctenus cacachilensis'' ''Califorctenus cacachilensis'' is named for the Sierra de las Cacachilas mountain range in Baja California Sur, where it was first found in an abandoned mine by Michael Wall and Jim Berrian, researchers from the San Diego Natural History Museum, during an expedition on November 4, 2013. Subsequent collaboration with María Jimenez, an entomologist from Mexico who identified it as a member of the ''Ctenidae Wandering spiders (''Ctenidae'') are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. They are hig ...'' or wandering spider family ...
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Bulboctenus
''Bulboctenus'' is a genus of South American wandering spiders. It was first described by M. P. Pereira, F. M. Labarque and D. Polotow in 2020, and it has only been found in Brazil. it contains only three species: '' B. itunaitata'', '' B. kayapo'', and '' B. munduruku''. See also * List of Ctenidae species This page lists all described species of the spider family Ctenidae accepted by the World Spider Catalog : A ''Acantheis'' '' Acantheis'' Thorell, 1891 * '' A. boetonensis'' (Strand, 1913) — Indonesia (Sulawesi) * '' A. celer'' (Simon, 1897) ... References Ctenidae genera Spiders of Brazil {{Ctenidae-stub ...
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Bengalla
''Bengalla'' is a monotypic genus of Australian wandering spiders containing the single species, ''Bengalla bertmaini''. It was first described by Michael R. Gray & J. A. Thompson in 2001, and has only been found in Australia. It was originally assigned to the superfamily "Lycosoidea", but not to any actual family. In 2003, it was tentatively moved to the Ctenidae Wandering spiders (''Ctenidae'') are a family of spiders that includes the Brazilian wandering spiders. These spiders have a distinctive longitudinal groove on the top-rear of their oval carapace similar to those of the Amaurobiidae. They are hig ... because of its apparent relationship to '' Janusia'', another Australian monotypic genus of wandering spiders. References Ctenidae Monotypic Araneomorphae genera Spiders of Australia {{Ctenidae-stub ...
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Asthenoctenus
''Asthenoctenus'' is a genus of South American wandering spiders first described by Eugène Simon in 1897. Species it contains six species: *'' Asthenoctenus borellii'' Simon, 1897 ( type) – Brazil, Uruguay, Paraguay, Argentina *'' Asthenoctenus bulimus'' (Strand Strand may refer to: Topography *The flat area of land bordering a body of water, a: ** Beach ** Shoreline *Strand swamp, a type of swamp habitat in Florida Places Africa *Strand, Western Cape, a seaside town in South Africa * Strand Street, ..., 1909) – Brazil *'' Asthenoctenus hingstoni'' ( Mello-Leitão, 1948) – Guyana *'' Asthenoctenus longistylus'' Brescovit & Simó, 1998 – Brazil *'' Asthenoctenus tarsalis'' ( F. O. Pickard-Cambridge, 1902) – Brazil *'' Asthenoctenus tigrinus'' Mello-Leitão, 1938 – Argentina References Araneomorphae genera Ctenidae Spiders of South America Taxa named by Eugène Simon {{Ctenidae-stub ...
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