{{Short description|Family of spiders}} {{Automatic taxobox | fossil_range = {{Fossil range|Neogene|present}} | name = Wandering spiders | image = Wandering spider.jpg | image_caption = ''Phoneutria nigriventer'' | image2 = Ctenus caligineus 302557374 545280326.jpg | image2_caption = Male ''Ctenus caligineus'' | taxon = Ctenidae | authority = Keyserling, 1877 | range_map = Ctenidae range map.svg | range_map_caption = <span style="color:blue">blue</span>: reported countries (WSC)<br /><span style="color:green">green</span>: observation hotspots (iNaturalist) | diversity = 49 genera, 533 species }}
'''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.<ref name="mcgavin"/>
They are highly defensive<ref name=BuchBuck13 /> and venomous nocturnal hunters. Wandering spiders are known to hunt large prey, for example hylid species ''Dendropsophus branneri.''<ref name="araujo" /> 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,<ref name="okamoto" /> so all larger ctenids should be treated with caution.
==Genera==
{{as of|2025|09}}, the World Spider Catalog accepted the following genera:<ref name="NMBE" /> {{div col|colwidth=30em|small=no}} *''Acantheis'' <small>Thorell, 1891</small> – Asia *''Acanthoctenus'' <small>Keyserling, 1877</small> – South America, Central America, Jamaica, Mexico *''Africactenus'' <small>Hyatt, 1954</small> – Africa, India *''Afroneutria'' <small>Polotow & Jocqué, 2015</small> – Africa *''Amauropelma'' <small>Raven, Stumkat & Gray, 2001</small> – Asia, Australia *''Amicactenus'' <small>Henrard & Jocqué, 2017</small> – Africa *''Anahita'' <small>Karsch, 1879</small> – Africa, Asia, United States *''Apolania'' <small>Simon, 1898</small> – Seychelles *''Arctenus'' <small>Polotow & Jocqué, 2014</small> – Kenya *''Asthenoctenus'' <small>Simon, 1897</small> – South America *''Bengalla'' <small>Gray & Thompson, 2001</small> – Australia *''Bowie'' <small>Jäger, 2022</small> *''Bulboctenus'' <small>Pereira, Labarque & Polotow, 2020</small> – Brazil *''Califorctenus'' <small>Jiménez, Berrian, Polotow & Palacios-Cardiel, 2017</small> *''Caloctenus'' <small>Keyserling, 1877</small> – Ethiopia, South America *''Celaetycheus'' <small>Simon, 1897</small> – Brazil *''Centroctenus'' <small>Mello-Leitão, 1929</small>, including ''Parabatinga'' <small>Polotow & Brescovit, 2009</small> – South America *''Chococtenus'' <small>Dupérré, 2015</small> – Ecuador, Colombia *''Ciba'' <small>Bloom, Binford, Esposito, Alayón, Peterson, Nishida, Loubet-Senear & Agnarsson, 2014</small> – Cuba, Dominican Republic *''Ctenus'' <small>Walckenaer, 1805</small> – Africa, South America, Oceania, Central America, Asia, North America, Caribbean *''Diallomus'' <small>Simon, 1897</small> – Sri Lanka *''Eldivo'' <small>Hazzi & Hormiga, 2024</small> *''Enoploctenus'' <small>Simon, 1897</small> – South America, Saint Vincent and the Grenadines *''Gephyroctenus'' <small>Mello-Leitão, 1936</small> – Brazil, Peru *''Guasuctenus'' <small>Polotow & Brescovit, 2019</small> *''Isoctenus'' <small>Bertkau, 1880</small> – Brazil, Argentina *''Janusia'' <small>Gray, 1973</small> – Australia *''Kiekie'' <small>Polotow & Brescovit, 2018</small> – Colombia, Central America, Mexico *''Leptoctenus'' <small>L. Koch, 1878</small> – Australia, North America, Panama *''Macroctenus'' <small>Henrard & Jocqué, 2017</small> – Guinea *''Montescueia'' <small>Carcavallo & Martínez, 1961</small> – Argentina *''Nimbanahita'' <small>Henrard & Jocqué, 2017</small> – Guinea *''Nothroctenus'' <small>Badcock, 1932</small> – Brazil, Bolivia, Paraguay *''Ohvida'' <small>Polotow & Brescovit, 2009</small> – Cuba *''Perictenus'' <small>Henrard & Jocqué, 2017</small> – Guinea *''Petaloctenus'' <small>Jocqué & Steyn, 1997</small> – Africa *''Phoneutria'' <small>Perty, 1833</small> – South America *''Phymatoctenus'' <small>Simon, 1897</small> – Brazil, Guyana, Costa Rica *''Piloctenus'' <small>Henrard & Jocqué, 2017</small> – Guinea, Togo, Ivory Coast *''Sinoctenus'' <small>Marusik, Zhang & Omelko, 2012</small> *''Spinoctenus'' <small>Hazzi, Polotow, Brescovit, González-Obando & Simó, 2018</small> *''Thoriosa'' <small>Simon, 1910</small> – São Tomé and Príncipe, Sierra Leone, Equatorial Guinea *''Toca'' <small>Polotow & Brescovit, 2009</small> – Brazil *''Trogloctenus'' <small>Lessert, 1935</small> – Congo *''Trujillina'' <small>Bryant, 1948</small> – Caribbean *''Tuticanus'' <small>Simon, 1897</small> – Ecuador, Peru *''Viracucha'' <small>Lehtinen, 1967</small> – South America *''Wiedenmeyeria'' <small>Schenkel, 1953</small> – Venezuela {{div col end}}
Formerly placed in this family: *''Mahafalytenus'' <small>Silva-Dávila, 2007</small>; now in Viridasiidae
==References== {{Reflist|refs= <ref name="NMBE">{{cite web|title=Family: Ctenidae Keyserling, 1877|url=http://www.wsc.nmbe.ch/family/19|access-date=2025-09-22|website=World Spider Catalog|publisher=Natural History Museum Bern}}</ref> <ref name="araujo">{{Cite journal |last=de Araujo Lira |first=André Felipe |date=May 26, 2000 |title=Predation of Dendropsophus branneri (Cochran, 1948) (Anura: Hylidae) by wandering spider (Araneae: Ctenidae) in an Atlantic forest remnant |url=https://www.biotaxa.org/hn/article/view/60876 |journal=Herpetology Notes |volume=13 |pages=421–424 |via=Biotaxa}}</ref> <ref name=BuchBuck13>{{cite book |first1=Wolfgang |last1=Bücherl |first2=Eleanor E. |last2=Buckley |title=Venomous Animals and Their Venoms: Venomous Invertebrates |url=https://books.google.com/books?id=_KzSBAAAQBAJ&pg=PA237 |date=2013 |publisher=Elsevier| isbn=978-1-4832-6289-5 |page=237}}</ref> <ref name="mcgavin">{{cite book |last=McGavin |first=George C. |title=Insects and Other Terrestrial Arthropods |publisher=Dorling Kindersley Ltd. |year=2002 |isbn=0-7894-9392-6 |location=New York |pages=230}}</ref> <ref name="okamoto">{{cite journal |author=Okamoto |display-authors=et al. |year=2009 |title=Ctenus medius and Phoneutria nigriventer spiders venoms share noxious proinflammatory activities |journal=J. Med. Entomol. |volume=46 |issue=1 |pages=58–66 |doi=10.1603/033.046.0108 |pmid=19198518 |s2cid=33154932 |doi-access=free}}</ref> }}
==External links== * {{inaturalist taxon}}
{{Araneae}} {{Taxonbar|from=Q8708}} {{Authority control}}
* Category:Taxa named by Eugen von Keyserling
{{Ctenidae-stub}}