{"id":9937,"date":"2025-02-05T09:55:20","date_gmt":"2025-02-05T09:55:20","guid":{"rendered":"https:\/\/hurghada-today.com\/?p=9937"},"modified":"2025-10-26T09:48:33","modified_gmt":"2025-10-26T09:48:33","slug":"coral-predator-crown-of-thorns-starfish","status":"publish","type":"post","link":"https:\/\/hurghada-today.com\/hu\/coral-predator-crown-of-thorns-starfish\/","title":{"rendered":"Korallragadoz\u00f3, T\u00f6viskoron\u00e1s Tengericsillag"},"content":{"rendered":"

A t\u00f6viskoron\u00e1s tengericsillag (Acanthaster planci) az egyik legh\u00edrhedtebb tengeri \u00e9l\u0151l\u00e9ny. T\u00fcsk\u00e9s megjelen\u00e9s\u00e9r\u0151l \u00e9s korall\u00e9hs\u00e9g\u00e9r\u0151l ismert, \u00e9s ellentmond\u00e1sos szerepet j\u00e1tszik a z\u00e1tonyok \u00f6kosziszt\u00e9m\u00e1iban. B\u00e1r leggyakrabban Ausztr\u00e1lia k\u00f6rny\u00e9k\u00e9n tal\u00e1lhat\u00f3, m\u00e1s tengerekben is megfigyelhet\u0151, bele\u00e9rtve a V\u00f6r\u00f6s-tengert is. A b\u00fav\u00e1rok napi mer\u00fcl\u00e9seik sor\u00e1n dobd ki ezt a tengeri csillagot a tengerb\u0151l<\/strong>, b\u00e1r m\u00e1s n\u00f6v\u00e9ny- \u00e9s \u00e1llatfajok kitermel\u00e9se tilos. Ma, a szak\u00e9rt\u0151knek k\u00f6sz\u00f6nhet\u0151en Hurghada Today \u00fcgyn\u00f6ks\u00e9g<\/a>, megismerkedhetsz ezzel a tengeri \u00e9l\u0151l\u00e9nnyel.<\/p>\n

A t\u00f6viskoron\u00e1s tengericsillag megk\u00fcl\u00f6nb\u00f6ztet\u0151 jegyei<\/h2>\n

Ez a tengericsillag m\u00e9rgez\u0151 t\u00fcsk\u00e9ir\u0151l kapta a nev\u00e9t, amelyek t\u00f6viskoron\u00e1ra hasonl\u00edtanak. Ak\u00e1r 35 cm \u00e1tm\u00e9r\u0151j\u0171re is megn\u0151het, 16-23 karral. A legt\u00f6bb vesz\u00e9lyes fajhoz hasonl\u00f3an leny\u0171g\u00f6z\u0151 sz\u00ednei vannak, amelyek a v\u00f6r\u00f6st\u0151l \u00e9s lil\u00e1t\u00f3l a z\u00f6ldig \u00e9s barn\u00e1ig terjednek.<\/p>\n

\"Crown-of-thorns
Figyelemre m\u00e9lt\u00f3, de kih\u00edv\u00e1st jelent\u0151 fajok a tengeri \u00f6kosziszt\u00e9m\u00e1kban<\/figcaption><\/figure>\n

 <\/p>\n

\u00c9l\u0151hely \u00e9s \u00e9trend<\/h3>\n

A t\u00f6viskoron\u00e1s tengericsillag a meleg vizeket kedveli, ez\u00e9rt korallz\u00e1tonyokban \u00e9l az eg\u00e9sz Indo-Csendes-\u00f3ce\u00e1ni t\u00e9rs\u00e9gben. Gyakoriak a Nagy-korallz\u00e1tonyban, a V\u00f6r\u00f6s-tenger<\/a>, \u00e9s a tr\u00f3pusi csendes-\u00f3ce\u00e1ni szigeteken. 1-30 m\u00e9teres m\u00e9lys\u00e9gben tal\u00e1lhatjuk meg \u0151ket. Ez a tengeri csillagok els\u0151sorban \u00e9l\u0151 korallpolipokkal t\u00e1pl\u00e1lkoznak<\/em>A gyomr\u00e1t haszn\u00e1lja a korallok k\u00fcls\u0151 megem\u00e9szt\u00e9s\u00e9re, csupasz, feh\u00e9r csontv\u00e1zakat hagyva maga ut\u00e1n. Egyetlen tengericsillag ak\u00e1r 10 n\u00e9gyzetm\u00e9ternyi korallt is elfogyaszthat egy \u00e9v alatt. Lassan mozognak cs\u0151l\u00e1bukkal. B\u00e1r nem v\u00e1ndorolnak nagy t\u00e1vols\u00e1gokra, elsz\u00e9ledhetnek t\u00e1pl\u00e1l\u00e9kkeres\u00e9s c\u00e9lj\u00e1b\u00f3l, k\u00fcl\u00f6n\u00f6sen popul\u00e1ci\u00f3kit\u00f6r\u00e9sek idej\u00e9n.<\/p>\n

A t\u00f6viskoron\u00e1s tengericsillag szaporod\u00e1si viselked\u00e9se \u00e9s p\u00e1rz\u00e1si strat\u00e9gi\u00e1i<\/h3>\n

Ezek a tengericsillagok term\u00e9keny szaporod\u00e1ssal rendelkeznek. Meghat\u00e1rozott \u00e9vszakokban ikr\u00e1k \u00e9s spermiumok v\u00edzbe bocs\u00e1t\u00e1s\u00e1val \u00edvnak. egyetlen n\u0151st\u00e9ny t\u00f6bb milli\u00f3 pet\u00e9t is termelhet<\/strong> egyetlen \u00edv\u00e1si alkalommal. A megterm\u00e9keny\u00edtett pet\u00e9k l\u00e1rv\u00e1kk\u00e1 fejl\u0151dnek, amelyek az \u00e1ramlatokkal sodr\u00f3dnak, miel\u0151tt a z\u00e1tonyon telepednek le. Bizonyos k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a t\u00f6viskoron\u00e1s popul\u00e1ci\u00f3k felrobbannak. Ez gyakran akkor fordul el\u0151, amikor a v\u00edzmin\u0151s\u00e9g romlik, vagy a ragadoz\u00f3kat elt\u00e1vol\u00edtj\u00e1k. J\u00e1rv\u00e1nyok idej\u00e9n k\u00e9pesek puszt\u00edtanak korallz\u00e1tonyokat<\/a>, nagy r\u00e9szeket eszik meg \u00e9s hossz\u00fa t\u00e1v\u00fa k\u00e1rosod\u00e1st okoznak.<\/p>\n

\"\"
T\u00f6viskoron\u00e1s tengericsillag egy korallz\u00e1tonyon<\/figcaption><\/figure>\n

 <\/p>\n

\u00c9rdekes t\u00e9nyek err\u0151l a tengeri csillagr\u00f3l<\/h2>\n

\u00cdme n\u00e9h\u00e1ny leny\u0171g\u00f6z\u0151 t\u00e9ny a t\u00f6viskoron\u00e1s tengericsillagr\u00f3l:<\/p>\n

1. Sok m\u00e1s tengericsillaghoz hasonl\u00f3an k\u00e9pesek regener\u00e1lni az elveszett karokat. Ha a k\u00f6zponti korong egy r\u00e9sze hozz\u00e1tapad, egyetlen karb\u00f3l \u00faj tengericsillag fejl\u0151dhet.<\/p>\n

2. \u00cdv\u00e1s sor\u00e1n egyetlen n\u0151st\u00e9ny t\u00f6viskoron\u00e1s tengericsillag ak\u00e1r 60 milli\u00f3 ikr\u00e1t is lerakhat egyetlen k\u00f6lt\u00e9si id\u0151szakban.<\/p>\n

3. F\u0151leg \u00e9jszaka akt\u00edvak, cs\u0151l\u00e1bukkal mozognak a z\u00e1tonyokon.<\/p>\n

4. V\u00e9dekez\u00e9s\u00fck ellen\u00e9re term\u00e9szetes ragadoz\u00f3ik vannak, mint p\u00e9ld\u00e1ul az \u00f3ri\u00e1s tritoncsiga, a harlekinr\u00e1k \u00e9s n\u00e9h\u00e1ny halfaj.<\/p>\n

5. T\u00fcsk\u00e9ik m\u00e9rgez\u0151 anyagot, szaponint tartalmaznak, amely sok potenci\u00e1lis ragadoz\u00f3t elriaszt.<\/p>\n

Ezek a tengeri csillagok figyelemre m\u00e9lt\u00f3, m\u00e9gis kih\u00edv\u00e1st jelent\u0151 fajok a tengeri \u00f6kosziszt\u00e9m\u00e1kban.<\/p>\n

\"Interesting
A tengerv\u00edz h\u0151m\u00e9rs\u00e9klet\u00e9nek emelked\u00e9se \u00e9s a szennyez\u00e9s s\u00falyosb\u00edthatja a n\u00e9pess\u00e9gn\u00f6veked\u00e9s\u00fcket<\/figcaption><\/figure>\n

 <\/p>\n

Ki kellene irtani?<\/h2>\n

A t\u00f6viskorona-j\u00e1rv\u00e1nyok kezel\u00e9se kulcsfontoss\u00e1g\u00fa a z\u00e1tonyok eg\u00e9szs\u00e9ge szempontj\u00e1b\u00f3l. Az er\u0151fesz\u00edt\u00e9sek magukban foglalj\u00e1k a tengeri csillagok k\u00e9zi elt\u00e1vol\u00edt\u00e1s\u00e1t vagy egy elpuszt\u00edt\u00f3 oldat befecskendez\u00e9s\u00e9t. A ragadoz\u00f3k elleni v\u00e9delem \u00e9s a v\u00edzmin\u0151s\u00e9g jav\u00edt\u00e1sa szint\u00e9n seg\u00edt a popul\u00e1ci\u00f3k szab\u00e1lyoz\u00e1s\u00e1ban. A rombol\u00f3 jelleg\u00fck ellen\u00e9re azonban... A t\u00f6viskoron\u00e1s tengericsillagok szerepet j\u00e1tszanak a z\u00e1tonyok \u00f6kosziszt\u00e9m\u00e1iban<\/strong>Az\u00e1ltal, hogy elfogyasztj\u00e1k a domin\u00e1ns korallokat, teret teremtenek m\u00e1s fajok n\u00f6veked\u00e9s\u00e9nek. Ez az egyens\u00faly kulcsfontoss\u00e1g\u00fa, mivel a j\u00e1rv\u00e1nykit\u00f6r\u00e9sek el\u00e1raszthatj\u00e1k a z\u00e1tonyokat. Ez\u00e9rt hat\u00e1suk meg\u00e9rt\u00e9se \u00e9s kezel\u00e9se elengedhetetlen a korallz\u00e1tonyok vil\u00e1gm\u00e9ret\u0171 v\u00e9delme \u00e9rdek\u00e9ben.<\/p>","protected":false},"excerpt":{"rendered":"

A t\u00f6viskoron\u00e1s tengericsillag (Acanthaster planci) az egyik legh\u00edrhedtebb tengeri \u00e9l\u0151l\u00e9ny. T\u00fcsk\u00e9s megjelen\u00e9s\u00e9r\u0151l \u00e9s korall\u00e9hs\u00e9g\u00e9r\u0151l ismert, \u00e9s ellentmond\u00e1sos szerepet j\u00e1tszik a z\u00e1tonyok \u00f6kosziszt\u00e9m\u00e1iban.<\/p>","protected":false},"author":4,"featured_media":9953,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[117,152],"tags":[156,116,153,115,154,114,155],"class_list":["post-9937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-marine-flora-and-fauna","tag-diving-in-hurghada","tag-egypt","tag-giftun-island","tag-hurghada","tag-orange-bay","tag-sea-trips","tag-snorkeling"],"yoast_head":"\nCoral Predator, Crown-of-Thorns Starfish | Hurghada today<\/title>\n<meta name=\"description\" content=\"Crown-of-Thorns starfish is a venomous starfish known for its role in controlling reef populations but also causing 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