[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.unos.sk\/fakty-o-velkom-bielom-zralokovi\/#Article","mainEntityOfPage":"https:\/\/www.unos.sk\/fakty-o-velkom-bielom-zralokovi\/","headline":"Fakty o ve\u013ekom bielom \u017eralokovi","name":"Fakty o ve\u013ekom bielom \u017eralokovi","description":"Samice s\u00fa v\u00e4\u010d\u0161ie ako samce. Dorz\u00e1lna strana (chrb\u00e1t) tela \u017eraloka je tmavej farby (\u010dierna, siv\u00e1, nahnedl\u00e1) a ich brucho je \u00faplne biele. \u0160pecifick\u00fdm sfarben\u00edm tela je vynikaj\u00faca kamufl\u00e1\u017e, ktor\u00e1 zabra\u0148uje koristi vidie\u0165 \u017eraloka. Ve\u013ek\u00fd biely \u017eralok nem\u00e1 o\u010dn\u00e9 vie\u010dka, ale po\u010das \u00fatoku m\u00f4\u017eu prevr\u00e1ti\u0165 o\u010dn\u00fa bu\u013evu, aby sa predi\u0161li poraneniu o\u010d\u00ed. Toto je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9,","datePublished":"2019-08-23","dateModified":"2024-02-20","author":{"@type":"Person","@id":"https:\/\/www.unos.sk\/author\/#Person","name":"","url":"https:\/\/www.unos.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/232437c79d6ebbb41eb67b1526ce0bc08ee5047d6b1594dc05abcc3258d8e0b3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/232437c79d6ebbb41eb67b1526ce0bc08ee5047d6b1594dc05abcc3258d8e0b3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"unos.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.unos.sk\/wp-content\/uploads\/img_a306298_w16878_t1568818759.jpg","url":"https:\/\/www.unos.sk\/wp-content\/uploads\/img_a306298_w16878_t1568818759.jpg","height":0,"width":0},"url":"https:\/\/www.unos.sk\/fakty-o-velkom-bielom-zralokovi\/","about":["Zvierat\u00e1"],"wordCount":400,"articleBody":"Samice s\u00fa v\u00e4\u010d\u0161ie ako samce. Dorz\u00e1lna strana (chrb\u00e1t) tela \u017eraloka je tmavej farby (\u010dierna, siv\u00e1, nahnedl\u00e1) a ich brucho je \u00faplne biele. \u0160pecifick\u00fdm sfarben\u00edm tela je vynikaj\u00faca kamufl\u00e1\u017e, ktor\u00e1 zabra\u0148uje koristi vidie\u0165 \u017eraloka.Ve\u013ek\u00fd biely \u017eralok nem\u00e1 o\u010dn\u00e9 vie\u010dka, ale po\u010das \u00fatoku m\u00f4\u017eu prevr\u00e1ti\u0165 o\u010dn\u00fa bu\u013evu, aby sa predi\u0161li poraneniu o\u010d\u00ed. Toto je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9, ke\u010f lovia morsk\u00e9 levy, ktor\u00e9 maj\u00fa ostr\u00e9 paz\u00fary.V poslednej chv\u00edli \u00fatoku s\u00fa \u017eraloky prakticky slep\u00e9. Okrem toho maj\u00fa vynikaj\u00faci zrak. Ve\u013ek\u00fd biele \u017eraloky neprodukuj\u00fa \u017eiadne zvuky. Komunikuj\u00fa pomocou re\u010di tela a v\u00f4n\u00ed. Ve\u013ek\u00e9 biele \u017eraloky maj\u00fa vynikaj\u00faci \u010duch: m\u00f4\u017eu c\u00edti\u0165 jednu kvapku krvi v mili\u00f3ne kvapiek vody! Ke\u010f sa \u017eraloky prevr\u00e1tia, v\u00e4\u010d\u0161ina \u017eralokov sa stane nehybnou. Tento jav sa naz\u00fdva „tonick\u00e1 nehybnos\u0165“ a m\u00f4\u017eu ho za\u017ei\u0165 aj Ve\u013ek\u00fd biely.Ve\u013eky Biely \u017eralok m\u00e1 elektro-receptory, ktor\u00e9 zis\u0165uj\u00fa elektrick\u00e9 pole v\u0161etk\u00fdch zvierat vo vode. Tieto receptory pou\u017e\u00edvaj\u00fa na lokaliz\u00e1ciu koristi.Ve\u013ek\u00e9 biele \u017eraloky m\u00f4\u017eu napadn\u00fa\u0165 \u013eud\u00ed, ale nebud\u00fa ich jes\u0165. K \u00fatoku doch\u00e1dza preto, \u017ee si \u017eraloky zamenia \u013eud\u00ed s inou koris\u0165ou, ktor\u00fa be\u017ene jedia. Preto\u017ee \u013eudia nemaj\u00fa to\u013eko tuku, ko\u013eko potrebuj\u00fa \u017eraloky, preto ich nebud\u00fa jes\u0165.Pri nehod\u00e1ch s\u00favisiacich s hriankova\u010dom zomrie viac \u013eud\u00ed ako po \u00fatoku \u017eralokov.Tieto \u017eraloky rast\u00fa pomaly. Samce dosahuj\u00fa zrelos\u0165 vo veku 10 rokov a \u017eeny vo veku 15 rokov. Samice rodia po 10 mesiacoch tehotenstva 2 a\u017e 10 \u017eiv\u00fdch \u017eralokov.\u017draloky nevykazuj\u00fa rodi\u010dovsk\u00fa starostlivos\u0165 a deti sa o seba staraj\u00fa u\u017e od narodenia.Ve\u013ek\u00e9 biele \u017eraloky, ktor\u00e9 \u017eij\u00fa v bl\u00edzkosti pobre\u017eia Ju\u017enej Afriky, s\u00fa zn\u00e1me svojimi majest\u00e1tnymi skokmi z vody. Ve\u013ek\u00e9 biele \u017eraloky s\u00fa osamel\u00e9 zvierat\u00e1. Zhroma\u017e\u010fuj\u00fa sa iba po\u010das p\u00e1renia. Ve\u013ek\u00fd biely \u017eralok nem\u00f4\u017ee \u017ei\u0165 v zajat\u00ed (v akv\u00e1ri\u00e1ch), preto\u017ee sa dezorientuj\u00fa a narazia do akv\u00e1riov\u00e9ho skla. \u013dudia ka\u017ed\u00fd rok zab\u00edjaj\u00fa viac ako 100 mili\u00f3nov \u017eralokov! Po\u010det \u017eralokov sa drasticky zn\u00ed\u017eil a tieto zvierat\u00e1 s\u00fa teraz klasifikovan\u00e9 ako kriticky ohrozen\u00e9. Niektor\u00ed vedci odhaduj\u00fa, \u017ee vo vo\u013enej pr\u00edrode zost\u00e1va len 10 000 ve\u013ek\u00fdch bielych \u017eralokov. Ve\u013ek\u00e9 biele \u017eraloky \u017eij\u00fa a\u017e 60 rokov.                                                                                                                                                                                                                                                                                                                                                                                        3.3\/5 - (14 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Fakty o ve\u013ekom bielom \u017eralokovi","item":"https:\/\/www.unos.sk\/fakty-o-velkom-bielom-zralokovi\/#breadcrumbitem"}]}]