Da yawa sun ji cewa babbar dabba a duniyarmu ita ce shuɗin whale. Amma ba kowa ya san cewa akwai wasu halittu da suka fi ƙarfinsa a girma ba - wannan mazaunin teku ne cyanea jellyfish.
Bayani da bayyanar cyane
Arctic cyanea yana nufin nau'in scyphoid, odar tarwatsewa. Fassara daga Latin jellyfish cyanea na nufin shuɗin gashi. Sun kasu kashi biyu: Jafananci da shuɗar cyane.
Shine mafi girma jellyfish a duniya, girman cyane kawai ƙato... A matsakaita, girman kararrawar cyanea yakai cm 30-80. Amma manyan samfuran da aka yi rikodin sun kasance mita 2.3 a tsayi kuma tsawan mita 36.5. Babban jiki shine 94% na ruwa.
Launin wannan jellyfish din ya dogara da shekarunsa - tsoffin dabbar, mafi kyawun launi da dutsen da tanti. Samfurori na samari galibi launuka ne masu launin rawaya da lemu, tare da tsufa sun zama ja, sun zama launin ruwan kasa, da inuwar shuɗi mai haske. A cikin jellyfish na manya, dome ya zama rawaya a tsakiya, kuma ya zama ja a gefuna. Har ila yau, tanti ya zama launuka daban-daban.
A cikin hoton wata katuwar cyanea ce
An raba kararrawar zuwa bangarori, akwai guda 8. Jikin yana iya hangowa. An rarraba sassan ta kyawawan abubuwan yankewa na gani, a gindin su akwai gabobin hangen nesa da daidaito, wari da masu karbar haske a boye cikin ropalia (gajerun gawarwaki).
An tattara alfarwa a cikin nau'i takwas, kowannensu ya ƙunshi 60-130 dogon aiki. Kowane tanti an sanye shi da nematocysts. Gabaɗaya, jellyfish yana da tanti kusan dubu ɗaya da rabi, wanda ya samar da irin wannan "gashi" mai kauri haka cyane ake kira "mai gashi"Ko" tarkon zaki ". Idan ka duba hoto na cyane, to yana da sauƙin ganin kamanceceniya bayyananniya.
A tsakiyar dome bakin shi ne, wanda ke kusa da bakin ruwan jan-kirim ya rataye. Tsarin narkewa yana nuna kasancewar magudanan radial waɗanda suke reshe daga ciki zuwa ɓangaren gefe da na gefen dome.
Hoton shine jellyfish na cyanea arctic
Game da hadari cyane ga mutum, to bai kamata ka damu da yawa ba. Wannan kyakkyawa zata iya maka rauni kawai, ba ta da ƙarfi kamar ta net. Ba za a iya yin magana game da kowane mutuwa ba, yawan ƙonewa zai haifar da rashin lafiyan abu. Kodayake, manyan wuraren sadarwar har yanzu zasu haifar da daɗin jin daɗi mara ƙarfi.
Wurin zama na Cyanea
Cyaneus jellyfish yana rayuwa kawai a cikin ruwan sanyi na tekun Atlantika, Arctic da Pacific. An samo shi a cikin Baltic da Tekun Arewa. Yawancin kifin jellyf da yawa suna zaune a gabashin gabashin Burtaniya.
An lura da manyan taru a bakin tekun Norway. Kogin dumi mai Dumi da na Azov bai dace da ita ba, kamar dukkannin ruwan kudu. Suna zaune aƙalla 42⁰ arewa latitude.
Bugu da ƙari, mummunan yanayi yana amfani da waɗannan kifin jellyf ne kawai - manyan mutane suna rayuwa a cikin ruwan sanyi. Ana kuma samun wannan dabbar a bakin tekun Australiya, wani lokacin yakan fada cikin tsauraran yanayi, amma ba ya samun tushe a can kuma ba ya wuce mita 0.5 a diamita.
Jellyfish da kyar yake iyo zuwa gabar teku. Suna zaune a cikin layin ruwa, suna iyo a can kusan zurfin mita 20, suna ba da kansu ga abin da ke gudana a yanzu da kuma cikin lalaci suna motsa alfarwansu. Irin wannan ɗimbin ɗimbin dunƙulen tarkon, ɗan ɗanɗano tantin gida ya zama gida ga ƙananan kifi da invertebrates waɗanda ke tare da jellyfish, samun kariya da abinci a ƙarƙashin dome.
Salon Cyanean
Kamar yadda ya dace da jellyfish, cyane baya banbanta a motsi mai kaifi - kawai yana shawagi ne tare da kwararar, lokaci-lokaci yana yin kwangilar dome kuma yana daga tantinsa. Duk da wannan halin wuce gona da iri, cyanea yana da sauri don jellyfish - yana iya iyo da yawa kilomita a cikin awa ɗaya. Mafi sau da yawa, ana iya ganin wannan jellyfish yana yawo a saman ruwa tare da faɗaɗa alfarwarsa, wanda ke samar da cikakkun hanyoyin sadarwa don kama ganima.
Dabbobin farauta, su kuma, abubuwan farauta ne. Suna ciyar da tsuntsaye, manyan kifi, jellyfish da kunkuru. Cyanea yayin zagaye na medusoid yana rayuwa a cikin rukunan ruwa, kuma lokacin da yake polyp, yana rayuwa a ƙasan, yana manne da matashin ƙasan.
Cyaneus don haka ake kira da shuɗin shuɗi-shuɗi... Wannan tsohuwar rukuni ne na halittun ruwa da na ƙasa, waɗanda suka haɗa da kusan nau'in 2000. Babu ruwansu da jellyfish.
Abinci
Cyanea na cikin masu cin naman dabbobi ne, da kuma yawan cin abinci. Yana ciyarwa akan zooplankton, ƙaramin kifi, ɓawon burodi, sikandi, da ƙaramin jellyfish. A cikin shekarun yunwa, zai iya yin rashin abinci na dogon lokaci, amma a irin waɗannan lokutan yakan tsunduma cikin cin naman mutane.
Shawagi a farfajiya cyane kama da yawa algae, wanda kifin ke iyo dashi. Amma da zaran abin farauta ya taɓa alfarwarsa, jellyfish ba zato ba tsammani ya fitar da wani ɓangare na guba ta cikin ƙwayoyin ƙwayoyin ƙwayoyin, yana nannade abincin kuma ya motsa shi zuwa bakin.
An ɓoye dafin tare da dukkanin farfajiyar da tsawon alfarwar, ƙosasshen abincin ya zama abincin mai farautar. Amma har yanzu, tushen abincin shine plankton, wanda bambancin sa zai iya alfahari da ruwan sanyi na tekuna.
Cyanea yakan je farauta a cikin manyan kamfanoni. Sun shimfida dogayen doguwar farfajiyar akan ruwa, don haka suka samar da babbar hanyar sadarwa.
Lokacin da dozin manya zasu yi farauta, suna sarrafa ɗaruruwan mita na ruwa tare da tanti. Yana da wahala abin farauta ya zame ba tare da an lura da shi ba ta wadannan webs din shanyayyen.
Sake haifuwa da tsawon rai
Canjin tsararraki a cikin rayuwar rayuwar cyanea yana ba shi damar haifuwa ta hanyoyi daban-daban: jima'i da jima'i. Wadannan dabbobi suna daga jinsi daban-daban, maza da mata suna yin ayyukansu a cikin haihuwa.
Mutane daban-daban na cyanea sun banbanta cikin abubuwan ɗakunan ciki na musamman - a cikin maza a cikin waɗannan ɗakunan akwai spermatozoa, a cikin mata akwai ƙwai. Maza suna ɓoye maniyyi a cikin mahalli na waje ta cikin bakin bakin, yayin da a cikin ɗakunan maza na mata suna cikin lobes na baka.
Maniyyin ya shiga waɗannan ɗakunan, ya ba da ƙwai, kuma ci gaba yana ci gaba a can. Tsarin dabarar da aka ƙyanƙyashe ya yi iyo a cikin ruwa a cikin ruwa na wasu kwanaki. Daga nan sai su manne a gindin su juye zuwa polyp.
Wannan scyphistoma yana ciyarwa sosai, yana girma har tsawon watanni. Daga baya, irin wannan kwayar halitta na iya hayayyafa ta hanyar tohowa. Yaran polyps sun rabu da babba.
A cikin bazara, polyps ya kasu kashi biyu kuma an samar da ethers daga gare su - larvae jellyfish. "Yara" suna kama da ƙananan taurari masu yatsu takwas ba tare da tanti ba. A hankali, waɗannan jariran suna girma kuma sun zama ainihin jellyfish.
