{"id":65240,"date":"2026-07-09T04:54:18","date_gmt":"2026-07-08T19:54:18","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=65240"},"modified":"2026-07-09T04:54:18","modified_gmt":"2026-07-08T19:54:18","slug":"ese-grito-de-ahhh-escondia-a-un-heroe-secreto-el-misterio-de-la-arana-viajera","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=65240&lang=es","title":{"rendered":"Ese grito de &#8220;\u00a1Ahhh!&#8221; escond\u00eda a un h\u00e9roe secreto: el misterio de la ara\u00f1a viajera"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Soy Ken Kuwako, Science Trainer. Cada d\u00eda es un nuevo experimento.<\/strong><\/span><\/p>\n<p>\u00ab\u00a1Aaah, una ara\u00f1a!\u00bb<\/p>\n<p>\u00bfAlguna vez has gritado algo as\u00ed y has dado un salto del susto? Pues resulta que esa silueta negra que tanto asusta podr\u00eda ser, en realidad, un h\u00e9roe silencioso que protege nuestro hogar. Hoy vamos a conocer a una ara\u00f1a cuya apariencia intimida, pero cuya verdadera personalidad es totalmente distinta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-40557 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/4252ab28f006d048ee2143faa3cebf73.jpg\" alt=\"\" width=\"388\" height=\"344\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/4252ab28f006d048ee2143faa3cebf73.jpg 992w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/4252ab28f006d048ee2143faa3cebf73-300x266.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/4252ab28f006d048ee2143faa3cebf73-768x681.jpg 768w\" sizes=\"auto, (max-width: 388px) 100vw, 388px\" \/><\/p>\n<p>La primera vez que encontr\u00e9 una Heteropoda venatoria en la escuela tambi\u00e9n me llev\u00e9 un buen susto. En especial una que vi hace tiempo era tan enorme que casi me hizo gritar. Sin embargo, la que encontr\u00e9 esta vez era una versi\u00f3n en miniatura, de unos 2 cm de longitud, tan peque\u00f1a que parec\u00eda caber en la palma de la mano. Incluso resultaba simp\u00e1tica. Pero que no te enga\u00f1e su aspecto: la Heteropoda venatoria es una de las <b>ara\u00f1as m\u00e1s grandes que viven en Jap\u00f3n<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-45743 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8c4790442fefd363a50be26dbcdfefdd.jpg\" alt=\"\" width=\"265\" height=\"251\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8c4790442fefd363a50be26dbcdfefdd.jpg 506w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/8c4790442fefd363a50be26dbcdfefdd-300x285.jpg 300w\" sizes=\"auto, (max-width: 265px) 100vw, 265px\" \/><\/p>\n<h3>\u00bfUna ara\u00f1a viajera? La sorprendente historia de su llegada<\/h3>\n<p>Por su aspecto ex\u00f3tico, mucha gente piensa que se trata de una especie invasora llegada recientemente del extranjero. En realidad, se cree que esta ara\u00f1a es originaria de la India y que se expandi\u00f3 por todo el mundo escondida entre las mercanc\u00edas transportadas en barcos por los seres humanos. En otras palabras, fuimos nosotros quienes, sin querer, la convertimos en una aut\u00e9ntica <b>&#8220;ara\u00f1a viajera&#8221;<\/b>. Imaginar a una peque\u00f1a ara\u00f1a cruzando oc\u00e9anos escondida dentro de cajas de madera hace cientos de a\u00f1os para acabar hoy apareciendo en un aula japonesa&#8230; suena casi como una novela de aventuras.<\/p>\n<h3>Una aut\u00e9ntica ninja: la cazadora de cucarachas<\/h3>\n<p>Pero lo m\u00e1s impresionante de esta especie no es su historia, sino su habilidad para cazar cucarachas. La Heteropoda venatoria es famosa por ser uno de sus peores enemigos y se considera un <b>&#8220;insecto beneficioso&#8221;<\/b>, ya que ayuda a mantener las casas libres de plagas.<\/p>\n<p>Cuando detecta la presencia de una cucaracha, se acerca en absoluto silencio y la captura en un abrir y cerrar de ojos. Su forma de moverse recuerda a la de un aut\u00e9ntico <b>&#8220;ninja&#8221;<\/b>. Puede dar un poco de miedo verla, pero en realidad es una gran aliada para nosotros.<\/p>\n<p>Y a\u00fan hay otro dato sorprendente: puede llegar a vivir entre <b>8 y 10 a\u00f1os<\/b>, una longevidad extraordinaria para una ara\u00f1a. Durante todo ese tiempo contin\u00faa cazando insectos molestos y ayudando a mantener el equilibrio en su entorno.<\/p>\n<h3>No hay por qu\u00e9 tenerle miedo: en realidad es muy t\u00edmida<\/h3>\n<p>Aunque su aspecto impone respeto, la Heteropoda venatoria es una ara\u00f1a muy t\u00edmida y apenas muestra agresividad. Es extremadamente raro que ataque a una persona; cuando se siente amenazada, lo normal es que salga huyendo lo m\u00e1s r\u00e1pido posible.<\/p>\n<p>\u00bfUna ara\u00f1a terror\u00edfica? En realidad, es un h\u00e9roe discreto que trabaja en silencio.<\/p>\n<p>La pr\u00f3xima vez que encuentres una Heteropoda venatoria en tu casa o en la escuela, en lugar de asustarte, prueba a pensar: \u00ab\u00a1Gracias por patrullar hoy contra las plagas!\u00bb. Quiz\u00e1 est\u00e9s mirando a uno de esos <b>h\u00e9roes invisibles<\/b> que protegen nuestra vida cotidiana sin que apenas nos demos cuenta.<\/p>\n<h3>Consultas y colaboraciones<\/h3>\n<p>\u00a1Descubre lo fascinante que puede ser la ciencia en tu vida diaria! En este sitio encontrar\u00e1s experimentos cient\u00edficos que puedes hacer en casa y explicaciones sencillas para disfrutar aprendiendo. \u00a1No dudes en explorar m\u00e1s art\u00edculos!<\/p>\n<p>\u30fbSi quieres saber m\u00e1s sobre el autor, Ken Kuwako, haz clic <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">aqu\u00ed<\/a>.<br \/>\n\u30fbPara consultas sobre art\u00edculos, conferencias, talleres de ciencia, asesor\u00eda para televisi\u00f3n o colaboraciones, haz clic <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">aqu\u00ed<\/a>.<br \/>\n<span class=\"s2\">\u30fb\u00a1Las novedades del blog se publican en <a href=\"https:\/\/x.com\/kuwako\">X<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Canal Ciencia al Descubierto<\/a>: \u00a1v\u00eddeos de experimentos cient\u00edficos para todos!<\/p>\n<h3>\uff17\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\">\u590f\u3067\u30d7\u30b7\u30e5\u30c3\u3068\u723d\u3084\u304b\u5b9f\u9a13\uff01<\/p>\r\n<img class=\"alignnone  wp-image-64964 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.31.58.jpeg\" alt=\"\" width=\"250\" height=\"310\" \/>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=206\">\u5c0f\u578b\u3067\u6301\u3061\u5e30\u308c\u308b\u3088\uff01\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\uff17\u670816\u65e5\u767a\u58f2\u3000\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone  wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a><\/li>\r\n \t<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\">\u3010\u65e5\u672c\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\u3000\u3010\u82f1\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/p>\r\n\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Soy Ken Kuwako, Science Trainer. Cada d\u00eda es un nuevo experimento. \u00ab\u00a1Aaah, una ara\u00f1a!\u00bb \u00bfAlguna vez has gritado [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":40557,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1492],"tags":[],"class_list":["post-65240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-es"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/06\/4252ab28f006d048ee2143faa3cebf73.jpg","jetpack-related-posts":[{"id":61308,"url":"https:\/\/phys-edu.net\/wp\/?p=61308&lang=es","url_meta":{"origin":65240,"position":0},"title":"\u00bfEl tr\u00e9bol fue el \u201cpl\u00e1stico de burbujas\u201d del Jap\u00f3n del per\u00edodo Edo? 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