{"id":22532,"date":"2015-08-28T10:17:17","date_gmt":"2015-08-28T08:17:17","guid":{"rendered":"http:\/\/www.invarena.cz\/?p=22532"},"modified":"2015-08-28T10:17:17","modified_gmt":"2015-08-28T08:17:17","slug":"dpa-ve-stredozemnim-mori-se-dal-siri-jedovata-tropicka-ryba","status":"publish","type":"post","link":"https:\/\/www.invarena.cz\/?p=22532","title":{"rendered":"DPA: Ve St\u0159edozemn\u00edm mo\u0159i se d\u00e1l \u0161\u00ed\u0159\u00ed jedovat\u00e1 tropick\u00e1 ryba"},"content":{"rendered":"<p><strong>To je ale hezk\u00e1 ryba, pomysl\u00ed si ryba\u0159\u00edc\u00ed turista ve St\u0159edomo\u0159\u00ed. Elegantn\u00ed stavba t\u011bla, st\u0159\u00edb\u0159it\u011b se lesknouc\u00ed z\u00e1da s \u010dern\u00fdmi skvrnami a b\u00edl\u00e9 b\u0159icho. Tenhle \u00falovek p\u016fjde hned na gril. Takov\u00fd ob\u011bd by byl ale smrteln\u00fd, proto\u017ee tropick\u00e1 ryba \u010dtverzubec st\u0159\u00edbrop\u00e1s\u00fd je prudce jedovat\u00e1. <\/strong><!--more--><\/p>\n<p>\u0158eklo by se, \u017ee n\u011bco takov\u00e9ho se m\u016f\u017ee jen t\u011b\u017eko st\u00e1t, ale opak je pravdou: rybou, kter\u00e1 se do St\u0159edozemn\u00edho mo\u0159e roz\u0161\u00ed\u0159ila p\u0159es Suezsk\u00fd pr\u016fplav, se toti\u017e otr\u00e1vilo u\u017e n\u011bkolik lid\u00ed, napsala agentura DPA.<br \/>\n    &#8222;Da\u0159\u00ed se j\u00ed tu dob\u0159e. A je nebezpe\u010dn\u00e1,&#8220; domn\u00edv\u00e1 se toxikolog Dietrich Mebs z univerzitn\u00ed kliniky v n\u011bmeck\u00e9m Frankfurtu nad Mohanem, kter\u00fd se specializuje na ryb\u00ed jedy. I dal\u0161\u00ed odborn\u00edci pasuj\u00ed \u010dtverzubce na jeden z nejnebezpe\u010dn\u011bj\u0161\u00edch invazivn\u00edch druh\u016f ryb ve St\u0159edomo\u0159\u00ed. Dostal se do n\u011bj teprve p\u0159ed n\u011bkolika lety z Rud\u00e9ho mo\u0159e, ale v jeho v\u00fdchodn\u00ed \u010d\u00e1sti se rychle roz\u0161\u00ed\u0159il a dostal se u\u017e i k italsk\u00fdm a \u0161pan\u011blsk\u00fdm b\u0159eh\u016fm.<br \/>\n    Po\u010det \u010dtverzubc\u016f v z\u00e1padn\u00ed \u010d\u00e1sti St\u0159edozemn\u00edho mo\u0159e rychle roste, upozor\u0148uje Maria Corsiniov\u00e1-Fokaov\u00e1, biolo\u017eka z \u0159eck\u00e9ho Centra pro mo\u0159sk\u00fd v\u00fdzkum na ostrov\u011b Rhodos. Ryb\u00e1\u0159i v Katal\u00e1nsku vylovili \u010dtverzubce ze sv\u00fdch s\u00edt\u00ed poprv\u00e9 p\u0159ed \u0161esti lety, v roce 2013 bylo zaznamenan\u00fdch exempl\u00e1\u0159\u016f p\u011bt a loni deset. Podobn\u00e1 hl\u00e1\u0161en\u00ed p\u0159ich\u00e1zej\u00ed z It\u00e1lie, Malty a Al\u017e\u00edrska.<br \/>\n    Podle toxikologa Mebse je riziko hlavn\u011b v tom, \u017ee lid\u00e9 o tomto nebezpe\u010d\u00ed p\u0159\u00edli\u0161 nev\u011bd\u00ed. Ke St\u0159edozemn\u00edmu mo\u0159i jezd\u00ed ka\u017edoro\u010dn\u011b davy turist\u016f a jed \u010dtverzubce, alkaloid tetrodoxin, pat\u0159\u00ed k nejsiln\u011bj\u0161\u00edm zn\u00e1m\u00fdm nervov\u00fdm jed\u016fm. Jedovat\u00ed jsou v\u0161ichni \u010dtverzubci a kdo rybu sn\u00ed, otr\u00e1v\u00ed se. P\u0159\u00edpady otrav jsou zn\u00e1m\u00e9 nap\u0159\u00edklad z Turecka, kde \u010dtverzubce poprv\u00e9 objevili u\u017e v roce 2003. Ryb\u00e1\u0159 se otr\u00e1vil tak\u00e9 v Izraeli, l\u00e9ka\u0159i jej v\u0161ak dok\u00e1zali zachr\u00e1nit.<br \/>\n    Tetrodoxin zp\u016fsobuje blok\u00e1du nervov\u00e9ho syst\u00e9mu a ochrnut\u00ed, mozek v\u0161ak jed nepostihuje, a tak pacient za\u017e\u00edv\u00e1 postup otravy p\u0159i pln\u00e9m v\u011bdom\u00ed. \u010clov\u011bk po po\u017eit\u00ed jedu nejprve poci\u0165uje ztr\u00e1tu citlivosti v b\u0159\u00ed\u0161c\u00edch prst\u016f, na rtech a na jazyku, kdy\u017e paral\u00fdza postoup\u00ed d\u00e1l, nast\u00e1v\u00e1 du\u0161nost a selh\u00e1n\u00ed d\u00fdchac\u00edch sval\u016f.<br \/>\n    Tureck\u00e9, \u0159eck\u00e9 a kypersk\u00e9 \u00fa\u0159ady lov a prodej \u010dtverzubc\u016f zakazuj\u00ed. Naproti tomu t\u0159eba v Japonsku jsou pova\u017eov\u00e1ny ryby tohoto druhu &#8211; nap\u0159\u00edklad ryba fuga &#8211; za delikatesu, kterou ov\u0161em vzhledem k n\u00e1ro\u010dn\u00e9 p\u0159\u00edprav\u011b zvl\u00e1dnou serv\u00edrovat jen zku\u0161en\u00ed kucha\u0159i.<br \/>\n    Profesion\u00e1ln\u00ed ryb\u00e1\u0159i ve \u0160pan\u011blsku si \u017e\u00e1dn\u00e9 riziko nep\u0159ipou\u0161t\u011bj\u00ed. Maj\u00ed za to, \u017ee \u010dtverzubec je natolik specifick\u00e1 ryba a je tak lehce k pozn\u00e1n\u00ed, \u017ee prakticky nen\u00ed mo\u017en\u00e9 si ji spl\u00e9st. Jejich kolegov\u00e9 d\u00e1l na v\u00fdchod si ale st\u011b\u017euj\u00ed, \u017ee jim siln\u00ed a a\u017e metr dlouz\u00ed jedinci s ostr\u00fdmi zuby ni\u010d\u00ed s\u00edt\u011b. \u010ctverzubec m\u00e1 zuby natolik ostr\u00e9, \u017ee dok\u00e1\u017ee p\u0159ekousnout i ryb\u00e1\u0159sk\u00e9 h\u00e1\u010dky, ale zran\u011bn\u00ed lid\u00ed, kte\u0159\u00ed se koupaj\u00ed na pl\u00e1\u017e\u00edch, nen\u00ed t\u0159eba se ob\u00e1vat. Ryby toti\u017e \u017eij\u00ed v hloubk\u00e1ch mezi deseti a 100 metry pod mo\u0159skou hladinou.<br \/>\n    Tak\u00e9 proto si Timo Moritz, \u0159editel n\u011bmeck\u00e9ho Muzea mo\u0159e ve Stralsundu mysl\u00ed, \u017ee probl\u00e9m se \u010dtverzubcem nen\u00ed t\u0159eba dramatizovat. Ze 750 druh\u016f ryb, kter\u00e9 \u017eij\u00ed ve St\u0159edozemn\u00edm mo\u0159i, podle n\u011bj a\u017e 150 poch\u00e1z\u00ed p\u016fvodn\u011b odjinud, p\u0159ev\u00e1\u017en\u011b z Rud\u00e9ho mo\u0159e. \u010ctverzubec st\u0159\u00edbrop\u00e1s\u00fd (Lagocephalus sceleratus) nen\u00ed jedin\u00fdm z\u00e1stupcem druhu ve St\u0159edozem\u00ed. Nen\u00ed ani jedinou jedovatou rybou, kter\u00e1 tady \u017eije. A \u010dlov\u011bka pr\u00fd p\u0159\u00edmo nijak neohro\u017euje. <\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>To je ale hezk\u00e1 ryba, pomysl\u00ed si ryba\u0159\u00edc\u00ed turista ve St\u0159edomo\u0159\u00ed. Elegantn\u00ed stavba t\u011bla, st\u0159\u00edb\u0159it\u011b se lesknouc\u00ed z\u00e1da s \u010dern\u00fdmi skvrnami a b\u00edl\u00e9 b\u0159icho. Tenhle <a class=\"mh-excerpt-more\" href=\"https:\/\/www.invarena.cz\/?p=22532\" title=\"DPA: Ve St\u0159edozemn\u00edm mo\u0159i se d\u00e1l \u0161\u00ed\u0159\u00ed jedovat\u00e1 tropick\u00e1 ryba\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-22532","post","type-post","status-publish","format-standard","hentry","category-zpravy"],"_links":{"self":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/22532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22532"}],"version-history":[{"count":0,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=\/wp\/v2\/posts\/22532\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.invarena.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}