
saadhaarana staarfish

vadakkukizhakkan atlaantikkile ettavum saadhaaranavum parichithavumaya staarfishaanu saadhaarana staarfish, saadhaarana kadal nakshatram allengil panchasaara staarfish ("aasteeriyaas rubens"). aastaride kudumbatthilppetta ithinu anchu kaikalundu, saadhaaranayaayi 10-30 centemeter vare neelatthil valarunnu, ennirunnaalum valia maathrkakal (52 centemeter vare veethiyulla) ariyappedunnu. saadhaarana staarfishinu saadhaaranayaayi ooranchu allengil thavitt niravum chilappol violet niravumundu; aazhathilulla vellathil kaanapedunna maathrkakal ilam niramaan. saadhaarana staarfish paarakkettukalilum charal niranja uparithalangalilum kaanapedunnu, avide ithu molaskukaleyum mattu benthik akasherukkaleyum bhakshikkunnu.
vivaranam.
saadhaarana staarfishinu saadhaaranayaayi anchu kaikalaanullath, avayude adithattil veethiyullathum kramena avayude agrangalil oru poyintilekku churungunnathumaya avaa palappozhum cheruthaayi mukalilekku thiriyunnu. kaikalkk iruvashathum papula ennu vilikkunna thaazhnnathum mriduvaayathumaaya kunnukalulla kaikalude abaral (mukalile) uparithalathinte madhyabhaagathu hrasvamaaya velutha nattellukalude oru varayundu. kaikalude vaayile (thaazhathe) prathalangalil cheria tube foottukalude varikalundu, ithu chalanathinum bhakshanathinum upayogikkunnu. staarfish saadhaaranayaayi ooranchu allengil ishtika chuvapp niratthilullathum vaayile uparithalathil mangiyathumaanu, pakshe purple allengil ilam thavitt niravum aakam. aazhathilulla vellathil ninnulla vyakthikal saadhaaranayaayi mangiyathaanu. ithu paramavadhi vyasamullathaayi valarunnu, pakshe kooduthal saadhaarana valuppamullathaan.
vitharanam.
vadakkukizhakkan atlaantik samudrathil ninnulla saadhaarana staarfish, norway, sweeden muthal vadakkan kadal, brittan, france, spain, porchugal theerangal, thekk aafrikkayude theerangal muthal senegal vare vyaapichukidakkunnu. medittareniyan kadalil ninnu ithu pradhaanamaayum illaathaakunnu. padinjaaran atlaantik samudrathil ninnu ithu ariyappedunnu, avide ithu labradorinum floridaykkum idayil meksikoo ulkkadalilum kaanapedunnu. uppuvellathil athijeevikkaan ithinu kazhiyum.
paristhithi.
saadhaarana staarfish vividatharam benthik jeevikale bhakshikkunnu. ivayil bivalve molaskkukal, polykite puzhukkal, barnacles, gastropod molaskkukal, mattu ekkinodermukal, kaariyon enniva ulppedunnu. oru massal polulla oru molesk kazhikkumbol, athu oro shell valvilum athinte tube foottukal gadippikkukayum avaye cheruthaayi verthirikkaan balaprayogam nadathukayum cheiyunnu. staarfishinu athinte vayattinte oru madangu cherkkanum ensimeukal sravikkaanum molesk body dahippikkaan thudangaanum oru edavela polum mathiyakum. ulladakkam mathiyaya draavakamaakumbol, athu akathulla bhakshanathodoppam vayarine athinte sariyaaya sthaanathekku thirike konduvarunnu. saadhaarana staarfishinu nannayi vikasicha gandhabodhamund, koodaathe saadhaarana massal ("maittilas edulis") polulla ira enangalude gandham kandethaanum athilekku izhayaanum kazhiyum. mattu nakshathramathsyangale bhakshikkunna kollayadikkunna saadhaarana suurya nakshathratthinte (krosstar paposus) durgandham kandethaanum ozhivaakkaavunna nadapadi sweekarikkaanum ithinu kazhiyum.
saadhaarana staarfish diosius aanu, athaayath oro vyakthiyum aann allengil penn aanu. vasanthakaalath penpakshikal thangalude muttakal kadalilekku vidunnu. mithamaaya valippamulla oru staarfishinu 25 laksham muttakal utppaadippikkaan kazhiyumennu kanakkaakkappedunnu. purushanmaar avarude beejam choriyukayum jalanirappil beejasankalanam nadathukayum cheiyunnu. laarvakal plaanktonik aayirikkukayum kadaltheerathu sthirathaamasamaakkukayum praayapoorthiyaakaathavar roopaantharappedukayum cheiyunnathinu munbu ekadesham 87 divasathekku ozhukukayum cheiyunnu. saadhaarana staarfishukal ezhu muthal ettu varsham vare jeevikkunnathaayi vishwasikkappedunnu. nannayi bhakshanam nalkumbol, praayapoorthiyaakaathavarkkavar venalkkaalathum sharathkaalathum prathimasam alppam kooduthalum shaithyakaalath prathimasam alppam kuravum enna nirakkil avarude aaram vardhippikkaan kazhiyum. praayapoorthiyaaya oru saadhaarana staarfishinu maasangalolam patiniye athijeevikkaan kazhiyum, ennirunnaalum eee prakriyayil sareerabhaaram kurayum. oru maathruka pattinikkushesham anchu maasathekku oru aaram muthal oru aaram vare churungi.
siliyettu protosovan "oorkkittoophriya stellaram" chilappol saadhaarana staarfishinte oru paraannabhojiyaan.
ithu saadhaaranayaayi staarfishinte puram uparithalathil vasikkunnu, ithu mandagathiyilulla epidermal tissue bhakshikkunnu. aathidheya staarfishinu paakamaya gonadukal undaakukayum athu aanpakshiyaayirikkukayum cheyyumbol ithu parannabhojiyaayi maarunnathayi kaanapedunnu. gyaamettukal purathuvidunna dwaarangalaaya gonoporukaliloode ithu starfishilekku praveshikkunnu. vrishanangal paakamaakukayum athinte swabhaavam maarukayum cheiyunnuvenna vasthuthayekkurichu munnariyipp nalkunna oru ferromon undayirikkaam. varshathil vyathyastha samayangalil vyathyastha inam staarfishukal prajananam nadathunnathinaal, "oorkkittoophriya stellaram" avayude prathyulpaadana chakrangalkkanusarichu oru inathil ninnu mattonnilekku neengiyekkaam. atlaantik samudrathil, vasanthakaalathum venalkkaalathum ithu "aasteeriya forbezi", "aasteeriyaas rubens" ennivayil ninnu marimari mariyekkaam, koodaathe shaityakaala aathidheyathvam "leptasteeriyaas spp" aayirikkam.". eee enangalilellaam vrishanangalil siliyettu kandethiyittundu. gonadinullil, athu beejathe phagocytos cheiyunnu, angane staarfish vandhyamaakkunnu. rogabaadhitharude lingaanupaathathil maattam gaveshakar kandethi, sthreekalil ninnu purushanmaar kuravaanu, purushanmaar sthiramaayi sthreekalil ninnu cheruthaanu.
saadhaarana staarfish vettakkaare pinthirippikkaan roopakalppana cheytha saponin polulla padaartham uthpaadippikkunnu, ithu oru saadhaarana ira inamaaya saadhaarana veelkkil ("bookinum andaattam") prathikaranatthinu kaaranamaakunnu. nerppicha saandrathayil ithu wheelk ozhivaakkunna pravartthanam nadatthaan kaaranamavukayum uyarnna saandrathayil ithu oru koottam virayalukal undaakkukayum cheythu.
maas straantingukal.
2013 januvariyil englandinte kizhakkan theerathe clethorps piyarinu sameepam niravadhi razer shellukalkoppam dhaaraalam saadhaarana staarfishukal ozhukippoyi. theerathu naalayiram nakshathramathsyangal undennu kanakkaakkappedunnu. eee koottamaaya ezhayaduppathinte kaaranam anjjaathamaayirunnu, pakshe mosham kaalaavasthayum kadalil kodunkaattukalum saadhaaranayekkaal uyarnna veliyettangalum kaaranamaayirikkam.
2015 desember 31 nuu pularche kodunkaattinide noorukanakkinu staarfishukal hamshareile porttsmouthu theerathu kudungi.
ithu oru savisheshamaaya prathibhaasamalla, 2008 ll kentile saandvichinaduthum patthu divasathinu sesham braittaninadutthum brittanilum mattidangalilum mattu koottamaaya izhakal sambhavichittund. 2004ll onpathu mile neelamulla kadaltheerathu dhaaraalam staarfishukal karayilethiya velutha kadalinte theerathum samanamaaya oru sambhavam nadannu. theeram muzhuvan staarfishukal niranjathinaal aalukalkk avaykku chuttum nadakkaan kazhiyillennu parayapettu. russian vidagdhar eee thadassam moolamulla duroohatha prakadippichu.

