[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.betynkai.cz\/kolik-ryb-chytis-tolikrat-jsi-rybarem\/#Article","mainEntityOfPage":"https:\/\/www.betynkai.cz\/kolik-ryb-chytis-tolikrat-jsi-rybarem\/","headline":"Kolik ryb chyt\u00ed\u0161, tolikr\u00e1t jsi ryb\u00e1\u0159em","name":"Kolik ryb chyt\u00ed\u0161, tolikr\u00e1t jsi ryb\u00e1\u0159em","description":"Nejv\u00fdznamn\u011bj\u0161\u00ed \u010desk\u00fd v\u011bdec 19. stolet\u00ed a vynikaj\u00edc\u00ed ichtyolog Anton\u00edn Fri\u010d u\u017e tehdy tvrdil, \u017ee v&nbsp;na\u0161ich vod\u00e1ch \u017eije na \u0161edes\u00e1t ryb\u00edch druh\u016f, ale jen st\u011b\u017e\u00ed se najde \u0161edes\u00e1t ryb\u00e1\u0159\u016f, kte\u0159\u00ed tyto ryby dok\u00e1\u017e\u00ed bezpe\u010dn\u011b rozpoznat. I mnoho ryb\u00e1\u0159\u016f sou\u010dasn\u00fdch si ryb\u00ed druhy plete. Spl\u00e9st si sumces jin\u00fdmi druhy na\u0161ich ryb je t\u00e9m\u011b\u0159 nemo\u017en\u00e9. Jen u mal\u00fdch ...<br><a class=\"read-more-link btn btn-outline-secondary\" href=\"https:\/\/www.betynkai.cz\/kolik-ryb-chytis-tolikrat-jsi-rybarem\/\">Read more<\/a>","datePublished":"2016-11-14","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.betynkai.cz\/author\/#Person","name":"betynkai.cz\n","url":"https:\/\/www.betynkai.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"betynkai.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/betynkai.cz\/wp-content\/uploads\/img_a300520_w2296_t1510647007.jpg","url":"https:\/\/betynkai.cz\/wp-content\/uploads\/img_a300520_w2296_t1510647007.jpg","height":"","width":""},"url":"https:\/\/www.betynkai.cz\/kolik-ryb-chytis-tolikrat-jsi-rybarem\/","about":["Neza\u0159azen\u00e9"],"wordCount":427,"articleBody":"Nejv\u00fdznamn\u011bj\u0161\u00ed \u010desk\u00fd v\u011bdec 19. stolet\u00ed a vynikaj\u00edc\u00ed ichtyolog Anton\u00edn Fri\u010d u\u017e tehdy tvrdil, \u017ee v&nbsp;na\u0161ich vod\u00e1ch \u017eije na \u0161edes\u00e1t ryb\u00edch druh\u016f, ale jen st\u011b\u017e\u00ed se najde \u0161edes\u00e1t ryb\u00e1\u0159\u016f, kte\u0159\u00ed tyto ryby dok\u00e1\u017e\u00ed bezpe\u010dn\u011b rozpoznat.I mnoho ryb\u00e1\u0159\u016f sou\u010dasn\u00fdch si ryb\u00ed druhy plete. Spl\u00e9st si sumces jin\u00fdmi druhy na\u0161ich ryb je t\u00e9m\u011b\u0159 nemo\u017en\u00e9. Jen u mal\u00fdch velikost\u00ed by byla mo\u017en\u00e1 z\u00e1m\u011bna se sume\u010dkem americk\u00fdm, kter\u00fd v\u0161ak m\u00e1 jako rozli\u0161ovac\u00ed znak na h\u0159bet\u011b krom\u011b h\u0159betn\u00ed ploutve je\u0161t\u011b tukovou ploutvi\u010dku a m\u00e1 4 p\u00e1ry vousk\u016f, co\u017e je o jeden v\u00edc, ne\u017e se d\u00e1 napo\u010d\u00edtat u sumce velk\u00e9ho.&nbsp;Av\u0161ak drobn\u011bj\u0161\u00ed ryby a rybky je mo\u017en\u00e9 si popl\u00e9st &#8211; takov\u00e9 ryby jako nap\u0159\u00edklad cejn, ostroretka, plotice, podoustev a dal\u0161\u00ed b\u00fdvaj\u00ed na pokraji z\u00e1jmu, tud\u00ed\u017e je n\u011bkte\u0159\u00ed ryb\u00e1\u0159i dob\u0159e neznaj\u00ed a snadno je zam\u011bn\u00ed.&nbsp;P\u0159itom sta\u010d\u00ed zn\u00e1t n\u011bkolik z\u00e1kladn\u00edch znak\u016f, podle kter\u00fdch lze tyto druhy bezpe\u010dn\u011b ur\u010dit.&nbsp;&nbsp;Tak t\u0159eba mezi nej\u010dast\u011bj\u0161\u00ed chyby pat\u0159\u00ed z\u00e1m\u011bna plotice s&nbsp;perl\u00ednem, p\u0159itom perl\u00edn m\u00e1 oproti plotici posunutou h\u0159betn\u00ed ploutev o kousek dozadu. Plotice m\u00e1 h\u0159betn\u00ed ploutev v&nbsp;z\u00e1krytu s&nbsp;ploutvemi b\u0159i\u0161n\u00edmi.P\u0159i rozli\u0161ov\u00e1n\u00ed jelce jesena od jelce tlou\u0161t\u011b n\u00e1m pom\u016f\u017ee zase \u0159itn\u00ed ploutev, kterou m\u00e1 jesen vykrojenou dovnit\u0159 a tlou\u0161\u0165 naopak zaoblenou sm\u011brem ven.Samoz\u0159ejm\u011b, \u017ee jsou p\u0159\u00edpady, kdy nen\u00ed snadn\u00e9 ur\u010dit, o jakou rybu jde, v\u011bt\u0161inou se jedn\u00e1 o k\u0159\u00ed\u017eence. N\u011bkter\u00e9 kaprovit\u00e9 ryby se mohou k\u0159\u00ed\u017eit a pak nesou znaky obou jedinc\u016f. Jsou to nap\u0159\u00edklad pr\u00e1v\u011b cejni, plotice, perl\u00edni, jelci, podoustve, cejnci i dal\u0161\u00ed men\u0161\u00ed kaprovit\u00e9 ryby. Jsou to p\u0159\u00edbuzn\u00e9 druhy a t\u0159ou se na podobn\u00fdch m\u00edstech ve stejnou dobu. Takov\u00ed k\u0159\u00ed\u017eenci pak nesou znaky obou druh\u016f. N\u011bkdy nen\u00ed snadn\u00e9 \u0159\u00edct, co to prost\u011b je. Oby\u010dejn\u011b je takov\u00e1 ryba na prvn\u00ed pohled celkem jasn\u00e1, ale n\u011bco v\u00e1m na n\u00ed jakoby lehce nesed\u00ed. Ale i takov\u00e1 ryba se d\u00e1 ur\u010dit podle po\u010dtu paprsk\u016f v&nbsp;ploutv\u00edch, po\u010dtu \u0161upin na postrann\u00ed \u010d\u00e1\u0159e atd.No schv\u00e1ln\u011b, kolik druh\u016f ryb jste za \u017eivot vlastn\u011b ulovili? Um\u00edte je ur\u010dit a spo\u010d\u00edtat?                                                                                                                                                                                                                                                                                                                                                                                        3.8\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Kolik ryb chyt\u00ed\u0161, tolikr\u00e1t jsi ryb\u00e1\u0159em","item":"https:\/\/www.betynkai.cz\/kolik-ryb-chytis-tolikrat-jsi-rybarem\/#breadcrumbitem"}]}]