{"id":4189,"date":"2023-09-18T08:30:52","date_gmt":"2023-09-18T08:30:52","guid":{"rendered":"https:\/\/www.shellsupply.eu\/?post_type=product&p=4189"},"modified":"2026-10-02T12:49:17","modified_gmt":"2026-10-02T12:49:17","slug":"spondylus-echinatus","status":"publish","type":"product","link":"https:\/\/www.shellsupply.eu\/en\/product\/spondylus-echinatus\/","title":{"rendered":"Ostnat\u00e1 lastura Spondylus echinatus"},"content":{"rendered":"

Spondylus echinatus \u2013 ostnat\u00fd \u00fast\u0159i\u010dn\u00edk<\/h2>\n

Mo\u0159sk\u00fd ml\u017e, jeho\u017e ostny a lamely p\u0159ipom\u00ednaj\u00ed zkamen\u011bl\u00e9 kv\u011bty<\/strong><\/p>\n

Spondylus echinatus pat\u0159\u00ed mezi ostnat\u00e9 \u00fast\u0159i\u010dn\u00edky, tedy ml\u017ee z rodu Spondylus, kter\u00fdm se anglicky \u0159\u00edk\u00e1 \u201ethorny oysters\u201c. Druh popsal rakousk\u00fd p\u0159\u00edrodov\u011bdec Karl von Schreibers v roce 1793 a druhov\u00e9 jm\u00e9no \u201eechinatus\u201c, tedy ostnat\u00fd, mluv\u00ed za v\u0161e. P\u0159esto\u017ee je anglick\u00fd n\u00e1zev \u0159ad\u00ed k \u00fast\u0159ic\u00edm, s prav\u00fdmi \u00fast\u0159icemi nejsou bl\u00edzce p\u0159\u00edbuzn\u00ed. Mnohem bl\u00ed\u017ee maj\u00ed k h\u0159ebenatk\u00e1m, s nimi\u017e maj\u00ed spole\u010dn\u00e1 nap\u0159\u00edklad drobn\u00e1 \u201eou\u0161ka\u201c u z\u00e1mku nebo o\u010di na okraji pl\u00e1\u0161t\u011b.<\/p>\n

Jak vypad\u00e1<\/h3>\n

Schr\u00e1nka je pevn\u00e1 a zhruba okrouhl\u00e1, tvo\u0159en\u00e1 dv\u011bma miskami. Jej\u00ed povrch pokr\u00fdvaj\u00ed ostny a zvln\u011bn\u00e9 lamely, jejich\u017e tvar se u jednotliv\u00fdch kus\u016f v\u00fdrazn\u011b li\u0161\u00ed: n\u011bkdy jsou dlouh\u00e9 a \u0161pi\u010dat\u00e9, jindy \u0161irok\u00e9 a zproh\u00fdban\u00e9 jako okv\u011btn\u00ed l\u00edstky. D\u00edky tomu p\u016fsob\u00ed cel\u00e1 lastura jako zkamen\u011bl\u00fd kv\u011bt nebo drobn\u00e1 mo\u0159sk\u00e1 socha. Zbarven\u00ed kol\u00eds\u00e1 od b\u00edl\u00e9 a kr\u00e9mov\u00e9 p\u0159es oran\u017eovou po \u010dervenou a r\u016f\u017eovou, vnit\u0159ek b\u00fdv\u00e1 hladk\u00fd, b\u00edl\u00fd a leskl\u00fd. Kontrast mezi \u010dlenit\u00fdm, barevn\u00fdm povrchem a \u010dist\u00fdm vnit\u0159kem pat\u0159\u00ed k tomu nejp\u016fsobiv\u011bj\u0161\u00edmu, co na t\u00e9to mu\u0161li uvid\u00edte.<\/p>\n

Pozn\u00e1vac\u00ed znaky<\/h3>\n

Ostnat\u00e9 \u00fast\u0159i\u010dn\u00edky spojuje zvl\u00e1\u0161tn\u00ed typ z\u00e1mku. Misky do sebe nezapadaj\u00ed \u0159adou drobn\u00fdch zoubk\u016f jako u mnoha jin\u00fdch ml\u017e\u016f, ale dv\u011bma siln\u00fdmi zuby, kter\u00e9 se zasouvaj\u00ed do jamek v prot\u011bj\u0161\u00ed misce na principu kloubu. Spodn\u00ed miska, kterou je ml\u017e p\u0159irostl\u00fd k podkladu, b\u00fdv\u00e1 hlub\u0161\u00ed a m\u00e9n\u011b pravideln\u00e1, horn\u00ed miska je plo\u0161\u0161\u00ed a nese nejv\u00fdrazn\u011bj\u0161\u00ed ostny. U vrcholu lze \u010dasto rozeznat zbytky mal\u00fdch \u201eou\u0161ek\u201c, jak\u00e9 zn\u00e1me od h\u0159ebenatek. Druh Spondylus echinatus se od p\u0159\u00edbuzn\u00fdch li\u0161\u00ed hlavn\u011b hustotou a tvarem ostn\u016f, kter\u00e9 b\u00fdvaj\u00ed u jednotliv\u00fdch kus\u016f velmi rozmanit\u00e9.<\/p>\n

\u010c\u00edm je v\u00fdjime\u010dn\u00fd<\/h3>\n

Zaj\u00edmavost\u00ed je zp\u016fsob \u017eivota. Ostnat\u00ed \u00fast\u0159i\u010dn\u00edci jsou pevn\u011b p\u0159irostl\u00ed spodn\u00ed miskou ke sk\u00e1le nebo kor\u00e1lu a ostny jim slou\u017e\u00ed jako opora i jako maskov\u00e1n\u00ed, proto\u017ee je rychle obrostou \u0159asy, houby a dal\u0161\u00ed organismy. Ve vod\u011b je proto lze jen st\u011b\u017e\u00ed zahl\u00e9dnout a kr\u00e1sa se uk\u00e1\u017ee teprve po vy\u010di\u0161t\u011bn\u00ed schr\u00e1nky. \u017div\u00ed se filtrov\u00e1n\u00edm drobn\u00fdch \u010d\u00e1ste\u010dek potravy z proud\u00edc\u00ed vody. Pod\u00e9l okraje pl\u00e1\u0161t\u011b maj\u00ed \u0159adu mal\u00fdch o\u010d\u00ed, kter\u00e9 jim pom\u00e1haj\u00ed zaznamenat pohyb a st\u00edn, tak\u017ee p\u0159i nebezpe\u010d\u00ed dok\u00e1\u017eou misky rychle zav\u0159\u00edt.<\/p>\n

Ostnat\u00e9 \u00fast\u0159i\u010dn\u00edky lid\u00e9 obdivovali u\u017e v d\u00e1vn\u00e9 minulosti. V neolitick\u00e9 Evrop\u011b se ze schr\u00e1nek st\u0159edomo\u0159sk\u00e9ho druhu Spondylus gaederopus vyr\u00e1b\u011bly \u0161perky a ozdoby, se kter\u00fdmi se obchodovalo na velk\u00e9 vzd\u00e1lenosti. V p\u0159edkolumbovsk\u00e9 Ji\u017en\u00ed Americe m\u011bly lastury jin\u00fdch druh\u016f tohoto rodu ob\u0159adn\u00ed v\u00fdznam a slou\u017eily i jako vz\u00e1cn\u00e9 platidlo. Kdy\u017e tedy dr\u017e\u00edte tuto lasturu v ruce, m\u00e1te p\u0159ed sebou mu\u0161li s opravdu dlouhou kulturn\u00ed histori\u00ed.<\/p>\n

Kam se hod\u00ed<\/h3>\n

Ostnat\u00fd \u00fast\u0159i\u010dn\u00edk je vd\u011b\u010dn\u00fd sb\u011bratelsk\u00fd kus a z\u00e1rove\u0148 skv\u011bl\u00e1 dekorace: vynikne ve vitr\u00edn\u011b, na stoj\u00e1nku, v prosklen\u00e9 sk\u0159\u00ed\u0148ce i samostatn\u011b na polici. Proto\u017ee m\u00e1 v\u00fdrazn\u011b trojrozm\u011brn\u00fd tvar, p\u016fsob\u00ed nejl\u00e9pe tam, kde si ho m\u016f\u017eete prohl\u00e9dnout ze v\u0161ech stran a kde na n\u011bj dopad\u00e1 bo\u010dn\u00ed sv\u011btlo, kter\u00e9 zv\u00fdrazn\u00ed st\u00edny mezi ostny. Hod\u00ed se do p\u0159\u00edmo\u0159sky lad\u011bn\u00e9ho interi\u00e9ru, do pracovny s p\u0159\u00edrodov\u011bdn\u00fdmi sb\u00edrkami i jako neobvykl\u00fd d\u00e1rek pro ka\u017ed\u00e9ho, kdo m\u00e1 r\u00e1d mo\u0159e a jeho tvary. Tvar ostn\u016f, barva i velikost se mohou v\u00fdrazn\u011b li\u0161it od fotografie, co\u017e je na tomto druhu pr\u00e1v\u011b to nejkr\u00e1sn\u011bj\u0161\u00ed. Pokud u\u017e m\u00e1te ve sb\u00edrce jin\u00e9 ostnat\u00e9 \u00fast\u0159i\u010dn\u00edky, bude tento kus d\u00edky prom\u011bnliv\u00fdm ostn\u016fm zaj\u00edmav\u00fdm dopl\u0148kem, na kter\u00e9m je dob\u0159e vid\u011bt, jak rozmanit\u011b dok\u00e1\u017ee p\u0159\u00edroda tvarovat jedin\u00fd typ lastury.<\/p>\n

Podobn\u00e9 kousky najdete v kategorii Spondylidae<\/a>.<\/p>\n

P\u00e9\u010de a manipulace<\/h3>\n

Ostny jsou nejk\u0159eh\u010d\u00ed \u010d\u00e1st\u00ed lastury, proto s n\u00ed zach\u00e1zejte opatrn\u011b a berte ji za t\u011blo schr\u00e1nky, nikoli za jednotliv\u00e9 v\u00fdb\u011b\u017eky. Vystavujte ji na stabiln\u00edm m\u00edst\u011b, kde nehroz\u00ed p\u00e1d nebo n\u00e1raz, a nepokl\u00e1dejte na ni jin\u00e9 p\u0159edm\u011bty. Prach nejl\u00e9pe odstran\u00edte m\u011bkk\u00fdm \u0161t\u011btcem nebo fouk\u00e1n\u00edm, proto\u017ee had\u0159\u00edk by se mohl o ostny zachytit. Pokud je nutn\u00e9 lasturu um\u00fdt, sta\u010d\u00ed vla\u017en\u00e1 voda bez sapon\u00e1t\u016f a d\u016fkladn\u00e9 voln\u00e9 oschnut\u00ed. Chra\u0148te ji p\u0159ed dlouhodob\u00fdm p\u0159\u00edm\u00fdm sluncem, na kter\u00e9m mohou syt\u011bj\u0161\u00ed barvy postupn\u011b vyblednout.<\/p>\n

Dal\u0161\u00ed informace o rodu Spondylus<\/em> najdete na anglick\u00e9 Wikipedii<\/a>.<\/p>\n

P\u0159\u00edrodn\u00ed origin\u00e1l<\/h3>\n

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":"

Pevn\u00e1 dvouchlop\u0148ov\u00e1 mu\u0161le porostl\u00e1 ostny a zvln\u011bn\u00fdmi lamelami, kter\u00e9 vypadaj\u00ed jako zkamen\u011bl\u00e9 kv\u011bty. Druh popsal Schreibers v roce 1793. Efektn\u00ed kus do sb\u00edrky i do vitr\u00edny, ka\u017ed\u00fd je p\u0159\u00edrodn\u00ed origin\u00e1l.<\/p>","protected":false},"featured_media":4190,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[151,138],"product_tag":[],"class_list":["post-4189","product","type-product","status-publish","has-post-thumbnail","product_cat-lastury","product_cat-spondylidae","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\/4189","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=4189"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/media\/4190"}],"wp:attachment":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/media?parent=4189"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_brand?post=4189"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_cat?post=4189"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_tag?post=4189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}