Sudanky jsou mo\u0159\u0161t\u00ed pl\u017ei z \u010deledi Tonnidae. Jejich tenkost\u011bnn\u00e9, lehk\u00e9 ulity p\u0159ipom\u00ednaj\u00ed tvarem sud nebo soudek na v\u00edno, a proto se jim anglicky \u0159\u00edk\u00e1 \u201etun shells\u201c. \u017dij\u00ed hlavn\u011b v tropick\u00fdch a subtropick\u00fdch mo\u0159\u00edch.<\/p>\r\n
D\u00edky ba\u0148at\u00e9mu tvaru a pravideln\u00e9mu \u017eebrov\u00e1n\u00ed jsou sudanky obl\u00edbenou mo\u0159skou dekorac\u00ed i sb\u011bratelskou mu\u0161l\u00ed. U n\u00e1s najdete dva druhy z rodu Tonna.<\/p>\r\n
Sudanky ob\u00fdvaj\u00ed p\u00eds\u010dit\u00e1 dna. P\u0159es den se zahrab\u00e1vaj\u00ed do p\u00edsku a za potravou vyr\u00e1\u017eej\u00ed v noci. \u017div\u00ed se ostnoko\u017eci, zejm\u00e9na sum\u00fd\u0161i, d\u00e1le kor\u00fd\u0161i a ml\u017ei. V\u011bt\u0161\u00ed druhy dok\u00e1\u017eou rozta\u017eiteln\u00fdm chobotem uchv\u00e1tit a spolknout i rybu.<\/p>\r\n
Dosp\u011bl\u00e9 sudanky nemaj\u00ed v\u00ed\u010dko. Samice kladou vaj\u00ed\u010dka v p\u00e1sech, z nich\u017e se l\u00edhnou voln\u011b plovouc\u00ed larvy. Ty se v mo\u0159i vzn\u00e1\u0161ej\u00ed i n\u011bkolik m\u011bs\u00edc\u016f, ne\u017e se usad\u00ed na dn\u011b. Dlouh\u00e9 larv\u00e1ln\u00ed stadium jim umo\u017e\u0148uje \u0161\u00ed\u0159it se na velk\u00e9 vzd\u00e1lenosti.<\/p>\r\n
Tonna Dolium<\/a>, anglicky \u201espotted tun\u201c, m\u00e1 tenkou vej\u010dit\u011b kulovitou ulitu dlouhou 10 a\u017e 18 centimetr\u016f s kr\u00e1tkou v\u011b\u017ei\u010dkou. Posledn\u00ed z\u00e1vit obep\u00edn\u00e1 asi deset \u0161irok\u00fdch \u017eeber, na kter\u00fdch se st\u0159\u00eddaj\u00ed b\u00edl\u00e9 a \u010derven\u00e9 nebo oran\u017eov\u00e9 skvrny. Velk\u00e9 \u00fast\u00ed je uvnit\u0159 ka\u0161tanov\u011b hn\u011bd\u00e9. Druh se vyskytuje v indicko-z\u00e1padopacifick\u00e9 oblasti, mimo jin\u00e9 u Tanzanie, v Maskar\u00e9nsk\u00e9 p\u00e1nvi a u Filip\u00edn.<\/p>\r\n Tonna Sulcosa<\/a>, anglicky \u201ebanded tun\u201c, m\u011b\u0159\u00ed obvykle 5 a\u017e 12,5 centimetru. Na b\u011blav\u00e9 ulit\u011b vynikaj\u00ed \u010dty\u0159i a\u017e p\u011bt v\u00fdrazn\u00fdch rezavohn\u011bd\u00fdch p\u00e1s\u016f, b\u00edl\u00e9 \u00fast\u00ed je v hloubce zbarven\u00e9 do\u010dervena. Tenk\u00e1 ulita je lehk\u00e1 a snadno se aran\u017euje do misky i na polici. \u017dije od Rud\u00e9ho mo\u0159e p\u0159es Indick\u00fd oce\u00e1n po Filip\u00edny a Austr\u00e1lii. Dal\u0161\u00ed mo\u0159sk\u00e9 mu\u0161le najdete v hlavn\u00ed kategorii Lastury<\/a>.<\/p>","link":"https:\/\/www.shellsupply.eu\/en\/product-category\/lastury\/tonnidae\/","name":"Tonnidae","slug":"tonnidae","taxonomy":"product_cat","parent":151,"meta":[],"menu_order":0,"_links":{"self":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_cat\/136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"up":[{"embeddable":true,"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product_cat\/151"}],"wp:post_type":[{"href":"https:\/\/www.shellsupply.eu\/en\/wp-json\/wp\/v2\/product?product_cat=136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}