{"id":5071,"date":"2026-10-02T10:38:33","date_gmt":"2026-10-02T10:38:33","guid":{"rendered":"https:\/\/www.shellsupply.eu\/?post_type=product&#038;p=5071"},"modified":"2026-10-02T11:23:27","modified_gmt":"2026-10-02T11:23:27","slug":"lastura-ostranka-murex-ternispina","status":"publish","type":"product","link":"https:\/\/www.shellsupply.eu\/en\/product\/lastura-ostranka-murex-ternispina\/","title":{"rendered":"Lastura ostranka Murex ternispina"},"content":{"rendered":"<h2>Ostranka Murex ternispina<\/h2>\n<p><strong>Trnit\u00e1 lastura v\u010detn\u011b opercula<\/strong><\/p>\n<p>Murex ternispina je bl\u00edzkou p\u0159\u00edbuznou slavn\u00e9ho Venu\u0161ina h\u0159ebenu. Na prvn\u00ed pohled ji pozn\u00e1te podle men\u0161\u00edho po\u010dtu trn\u016f, kter\u00e9 jsou ale del\u0161\u00ed, siln\u011bj\u0161\u00ed a v\u00fdrazn\u011bj\u0161\u00ed. Lastura tak p\u016fsob\u00ed robustn\u011bji a m\u00e9n\u011b k\u0159ehce, a p\u0159itom si zachov\u00e1v\u00e1 typick\u00fd tvar ostranek s dlouh\u00fdm, rovn\u00fdm sifon\u00e1ln\u00edm kan\u00e1lkem.<\/p>\n<p>Tento mo\u0159sk\u00fd pl\u017e pat\u0159\u00ed do \u010deledi ostrankovit\u00fdch (Muricidae) a rodu Murex. Druh popsal v roce 1822 francouzsk\u00fd p\u0159\u00edrodov\u011bdec Jean-Baptiste Lamarck.<\/p>\n<h3>Jak vypad\u00e1<\/h3>\n<p>Schr\u00e1nka m\u00e1 kr\u00e9movou a\u017e sv\u011btle b\u00e9\u017eovou barvu a hrbolat\u00fd povrch se spir\u00e1lov\u00fdmi \u017eebry. Trny vyr\u016fstaj\u00ed ve t\u0159ech pod\u00e9ln\u00fdch \u0159ad\u00e1ch, kter\u00e9 pokra\u010duj\u00ed z t\u011bla schr\u00e1nky a\u017e na sifon\u00e1ln\u00ed kan\u00e1lek. Nejdel\u0161\u00ed trny najdete v horn\u00ed \u010d\u00e1sti lastury, sm\u011brem ke \u0161pi\u010dce kan\u00e1lku se postupn\u011b zkracuj\u00ed.<\/p>\n<p><strong>Pro\u010d pr\u00e1v\u011b tento kus:<\/strong> Lastura je dod\u00e1v\u00e1na <strong>s operculem<\/strong>. Operculum je rohovit\u00e9 v\u00ed\u010dko, kter\u00fdm pl\u017e za \u017eivota uzav\u00edr\u00e1 \u00fast\u00ed schr\u00e1nky. U v\u011bt\u0161iny prod\u00e1van\u00fdch lastur chyb\u00ed, proto jsou kusy s operculem mezi sb\u011brateli cen\u011bn\u00e9 jako \u00fapln\u011bj\u0161\u00ed.<\/p>\n<h3>Pozn\u00e1vac\u00ed znaky<\/h3>\n<ul>\n<li>t\u0159i pod\u00e9ln\u00e9 \u0159ady dlouh\u00fdch, pevn\u00fdch trn\u016f,<\/li>\n<li>m\u00e9n\u011b trn\u016f ne\u017e u ostranky tenkoostn\u00e9, zato v\u00fdrazn\u011bj\u0161\u00edch,<\/li>\n<li>dlouh\u00fd a rovn\u00fd sifon\u00e1ln\u00ed kan\u00e1lek,<\/li>\n<li>kr\u00e9mov\u00e1 barva a hrbolat\u00fd, spir\u00e1lov\u011b \u017eebrovan\u00fd povrch,<\/li>\n<li>zachovan\u00e9 operculum.<\/li>\n<\/ul>\n<h3>\u010c\u00edm je v\u00fdjime\u010dn\u00e1<\/h3>\n<p>Stejn\u011b jako ostatn\u00ed ostranky je i Murex ternispina dravec, kter\u00fd lov\u00ed jin\u00e9 m\u011bkk\u00fd\u0161e. Trny ji chr\u00e1n\u00ed p\u0159ed pred\u00e1tory a pom\u00e1haj\u00ed j\u00ed dr\u017eet se na povrchu m\u011bkk\u00e9ho dna. \u017dije v Indopacifiku na p\u00eds\u010dit\u00e9m a bahnit\u00e9m dn\u011b.<\/p>\n<h3>P\u00e9\u010de a vystaven\u00ed<\/h3>\n<p>Lasturu berte za t\u011blo schr\u00e1nky, ne za trny. Prach odstran\u00edte such\u00fdm \u0161t\u011bte\u010dkem, voda ani \u010distic\u00ed prost\u0159edky nejsou pot\u0159eba. Operculum uchov\u00e1vejte spolu s lasturou, nap\u0159\u00edklad vlo\u017een\u00e9 v \u00fast\u00ed.<\/p>\n<p>Podrobn\u011bj\u0161\u00ed informace o tomto druhu najdete na <a href=\"https:\/\/en.wikipedia.org\/wiki\/Murex_ternispina\" target=\"_blank\" rel=\"noopener\">anglick\u00e9 Wikipedii<\/a>.<\/p>\n<h3>Zaj\u00edmavosti o ostrank\u00e1ch<\/h3>\n<p>\u010cele\u010f ostrankovit\u00fdch je velmi po\u010detn\u00e1 a zahrnuje stovky druh\u016f drav\u00fdch pl\u017e\u016f. Mnoho z nich dok\u00e1\u017ee provrtat schr\u00e1nku jin\u00e9ho m\u011bkk\u00fd\u0161e pomoc\u00ed radule, tedy jazykov\u00e9 p\u00e1sky s drobn\u00fdmi zoubky. Z n\u011bkter\u00fdch st\u0159edomo\u0159sk\u00fdch ostranek se ve starov\u011bku z\u00edsk\u00e1val purpur, vz\u00e1cn\u00e9 barvivo ur\u010den\u00e9 pro roucha vl\u00e1dc\u016f. Na mal\u00e9 mno\u017estv\u00ed barviva bylo pot\u0159eba obrovsk\u00e9 mno\u017estv\u00ed pl\u017e\u016f, a proto pat\u0159il purpur k nejdra\u017e\u0161\u00edm l\u00e1tk\u00e1m starov\u011bk\u00e9ho sv\u011bta.<\/p>\n<p>Trny na schr\u00e1nce vznikaj\u00ed postupn\u011b. Pl\u017e roste v jak\u00fdchsi etap\u00e1ch a na konci ka\u017ed\u00e9 z nich vytvo\u0159\u00ed na okraji \u00fast\u00ed zes\u00edlen\u00fd val s novou \u0159adou trn\u016f. Proto\u017ee na jeden z\u00e1vit p\u0159ipadaj\u00ed t\u0159i takov\u00e9 valy, tvo\u0159\u00ed trny t\u0159i pod\u00e9ln\u00e9 \u0159ady, kter\u00e9 jsou pro tento druh typick\u00e9. Dlouh\u00fd sifon\u00e1ln\u00ed kan\u00e1lek chr\u00e1n\u00ed sifon, kter\u00fdm pl\u017e nas\u00e1v\u00e1 vodu a zachycuje pachov\u00e9 stopy ko\u0159isti.<\/p>\n<h3>Co je operculum<\/h3>\n<p>Operculum je tenk\u00e1 rohovit\u00e1 desti\u010dka p\u0159irostl\u00e1 k noze pl\u017ee. Kdy\u017e se pl\u017e zat\u00e1hne do schr\u00e1nky, operculum p\u0159esn\u011b uzav\u0159e \u00fast\u00ed a chr\u00e1n\u00ed ho p\u0159ed pred\u00e1tory i p\u0159ed vyschnut\u00edm. Po smrti pl\u017ee se obvykle ztrat\u00ed, a proto m\u00e1 v\u011bt\u0161ina lastur na trhu \u00fast\u00ed pr\u00e1zdn\u00e9. Sb\u011bratel\u00e9 pova\u017euj\u00ed lasturu s p\u016fvodn\u00edm operculem za \u00fapln\u00fd exempl\u00e1\u0159 a u vz\u00e1cn\u011bj\u0161\u00edch druh\u016f m\u016f\u017ee jeho p\u0159\u00edtomnost zvy\u0161ovat hodnotu kusu. U t\u00e9to lastury je operculum hn\u011bd\u00e9, ov\u00e1ln\u00e9 a m\u016f\u017eete si ho prohl\u00e9dnout zvl\u00e1\u0161\u0165 nebo ho nechat vlo\u017een\u00e9 v \u00fast\u00ed.<\/p>\n<h3>Jak lasturu vyu\u017e\u00edt<\/h3>\n<p>Murex ternispina vynikne na polici, ve vitr\u00edn\u011b nebo pod sklen\u011bn\u00fdm poklopem. D\u00edky pevn\u011bj\u0161\u00edm trn\u016fm je o n\u011bco odoln\u011bj\u0161\u00ed ne\u017e ostranka tenkoostn\u00e1, a hod\u00ed se tak i jako prvn\u00ed trnit\u00e1 lastura do sb\u00edrky. Dob\u0159e vypad\u00e1 na tmav\u00e9m podkladu, kde se zv\u00fdrazn\u00ed jej\u00ed silueta, a tak\u00e9 ve dvojici s Venu\u0161in\u00fdm h\u0159ebenem, kdy je rozd\u00edl mezi ob\u011bma druhy hezky vid\u011bt.<\/p>\n<h3>Pro koho se hod\u00ed<\/h3>\n<p>Lastura pot\u011b\u0161\u00ed sb\u011bratele, milovn\u00edky mo\u0159e i ka\u017ed\u00e9ho, kdo hled\u00e1 neobvykl\u00fd d\u00e1rek. Kv\u016fli ostr\u00fdm trn\u016fm je vhodn\u00e1 sp\u00ed\u0161e pro dosp\u011bl\u00e9 a v\u011bt\u0161\u00ed d\u011bti. P\u0159i vybalov\u00e1n\u00ed ji vyj\u00edmejte pomalu a za t\u011blo schr\u00e1nky.<\/p>\n<h3>\u010cast\u00e9 dotazy<\/h3>\n<p><strong>Je lastura prav\u00e1?<\/strong> Ano, jde o skute\u010dnou p\u0159\u00edrodninu z mo\u0159e, ne o odlitek ani napodobeninu. Proto je ka\u017ed\u00fd kus trochu jin\u00fd a \u017e\u00e1dn\u00e9 dva nejsou \u00fapln\u011b stejn\u00e9.<\/p>\n<p><strong>Vad\u00ed j\u00ed slunce nebo vlhko?<\/strong> Dlouhodob\u00e9 p\u0159\u00edm\u00e9 slunce m\u016f\u017ee barvy postupn\u011b zesv\u011btlit a trval\u00e1 vlhkost j\u00ed tak\u00e9 neprosp\u00edv\u00e1. Ide\u00e1ln\u00ed je such\u00e9 m\u00edsto v interi\u00e9ru mimo p\u0159\u00edm\u00fd slune\u010dn\u00ed svit.<\/p>\n<h3>P\u0159\u00edrodn\u00ed origin\u00e1l<\/h3>\n<p>Ka\u017ed\u00e1 lastura je origin\u00e1l vytvo\u0159en\u00fd p\u0159\u00edrodou. Velikost, tvar, barva i kresba se proto u jednotliv\u00fdch kus\u016f li\u0161\u00ed a va\u0161e mu\u0161le nebude vypadat \u00fapln\u011b stejn\u011b jako ta na fotografii. Drobn\u00e9 nerovnosti nebo stopy po \u017eivot\u011b v mo\u0159i nejsou vadou, ale sou\u010d\u00e1st\u00ed jej\u00edho p\u0159\u00edb\u011bhu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ostranka Murex ternispina s pevn\u00fdmi dlouh\u00fdmi trny a \u0161t\u00edhl\u00fdm kan\u00e1lkem. Lastura je v\u010detn\u011b opercula, tedy p\u016fvodn\u00edho v\u00ed\u010dka, kter\u00e9 ocen\u00ed hlavn\u011b sb\u011bratel\u00e9.<\/p>","protected":false},"featured_media":5080,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[151,155],"product_tag":[],"class_list":["post-5071","product","type-product","status-publish","has-post-thumbnail","product_cat-lastury","product_cat-muricidae","first","instock","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product\/5071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/comments?post=5071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/media\/5080"}],"wp:attachment":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/media?parent=5071"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_brand?post=5071"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_cat?post=5071"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_tag?post=5071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}