Jellyfish

Phantse elubala, zintywila elwandle kwaye zinamanzi kuphela: ijellyfish ziphakathi kwezona zilwanyana zingaqhelekanga emhlabeni.

iimpawu

Ikhangeleka njani ijellyfish?

I-Jellyfish iyinxalenye ye-cnidarian phylum kunye nokwahlulwahlulwa kwe-coelenterates. Umzimba wakho unemigangatho emibini kuphela yeeseli: engaphandle egquma umzimba kunye nengaphakathi ecanda umzimba. Kukho ubunzima begelatin phakathi kwezi zimbini. Oku kuxhasa umzimba kwaye kusebenza njengendawo yokugcina ioksijini. Umzimba wejellyfish unamanzi angama-98 ukuya kuma-99 ekhulwini.

Ezona ntlobo zincinci zilinganisa i-millimeter ububanzi, iimitha ezininzi ezinkulu. I-Jellyfish ihlala ijongeka njengesambrela ukusuka ecaleni. Intonga yesisu iphuma ezantsi kweambrela, ngaphantsi kwayo kukho ukuvuleka komlomo. Iintente ziqhelekile: Ngokuxhomekeke kwiintlobo, zimbalwa iisentimitha ukuya kwi-20 yeemitha ubude. Zisetyenziswa yijellyfish ukuzikhusela nokubamba amaxhoba azo.

Iintente zixhotyiswe ngeeseli ezihlabayo ezifikelela kuma-700,000, apho izilwanyana zinokukhupha ityhefu ebulalayo. I-Jellyfish ayinangqondo, ziiseli zeemvakalelo kuphela ezibekwe kumaleko eseli angaphandle. Ngoncedo lwabo, i-jellyfish inokubona i-stimu kunye nokulawula izenzo zabo kunye nokuphendula. Kuphela ziintlobo ezithile zejeli, ezifana nebhokisi yejeli, enamehlo.

I-Jellyfish inekhono elihle kakhulu lokuhlaziya: ukuba ilahlekelwa i-tentacle, umzekelo, ikhula ngokupheleleyo.

Ihlala phi ijellyfish?

I-Jellyfish inokufumaneka kuzo zonke iilwandle zehlabathi. Okukhona ulwandle lubanda ngakumbi, kokukhona kukho iintlobo ezimbalwa ezahlukeneyo zejellyfish. Eyona ntlanzi inetyhefu idla ngokuhlala kwiilwandle ezitshisayo. I-Jellyfish ihlala emanzini kuphela kwaye phantse elwandle kuphela. Nangona kunjalo, ezinye iintlobo zase-Asiya zisekhaya kumanzi acocekileyo. Iintlobo ezininzi zejellyfish zihlala kwindawo ephezulu yamanzi, ngelixa i-deep-sea jellyfish inokufumaneka kubunzulu obungange-6,000 yeemitha.

Zeziphi iindidi zejelifish ezikhoyo?

Malunga nama-2,500 eentlobo ezahlukeneyo zejellyfish ezaziwayo ukuza kuthi ga ngoku. Izihlobo ezisondeleyo zejellyfish, umzekelo, i-anemones yolwandle.

Ingaba ijellyfish iba mingaphi iminyaka?

Xa ijellyfish ivelise inzala, umjikelo wabo wobomi udla ngokuphela. Iintente ziyahlehla kwaye okuseleyo yidiski yejeli, etyiwa zezinye izidalwa zaselwandle.

ukuziphatha

Ziphila njani ijellyfish?

I-Jellyfish ziphakathi kwezidalwa ezindala emhlabeni: bezihlala elwandle iminyaka engama-500 ukuya kuma-650 ezigidi kwaye azizange zitshintshe ukususela ngoko. Nangona benomzimba olula, bangabasindi bokwenene. I-Jellyfish ishukuma ngokukontraka nokukhulula iambrela yazo. Oku kubavumela ukuba baye phezulu nge-engile, efana neskwidi, besebenzisa uhlobo lomgaqo wokubuyisela. Emva koko bayatshona emva kancinci.

I-Jellyfish ivuleleke kakhulu kwimisinga yolwandle kwaye ihlala ivumela ukuba ithwalwe yiyo. Eyona jellyfish ikhawulezayo yi-cross jellyfish – ibuya umva ukuya kuthi ga kwi-10 yeekhilomitha ngeyure. Ijellyfish zizingela ngeentente zazo. Ukuba ixhoba liyabanjwa kwintente, iiseli ezihlabayo “ziyadubula” zize ziphose iinaliti ezincinane kwixhoba lazo. Ityhefu yomnatha eshwabeneyo ingena kwixhoba ngala maharpoons mancinci anetyhefu.

Yonke le nkqubo yenzeka ngesantya sombane, ithatha kuphela ikhulu lamawaka lesibini. Ukuba thina bantu sidibana nejellyfish, le tyhefu yenettle itshisa okweminatha ehlabayo, luze ulusu lube bomvu. Ngobuninzi bejeli, njengejellyfish ehlabayo, oku kubuhlungu kuthi, kodwa akuyongozi ngokwenene.

Nangona kunjalo, ezinye i-jellyfish ziyingozi: umzekelo i-Pacific okanye i-jellyfish yekhampasi yaseJapan. Eyona tyhefu inetyhefu ngunomeva waselwandle waseOstreliya, ityhefu yawo inokubulala abantu. Ineentente ezingama-60 ezinobude beemitha ezimbini ukuya kwezintathu. Ityhefu yenqanawa ebizwa ngokuba yi-Portuguese galley nayo ibuhlungu kakhulu kwaye ngamanye amaxesha iyabulala.

Ukuba udibana ne-jellyfish, akufanele uhlambulule ulusu lwakho ngamanzi amatsha, ngaphandle koko, i-capsules ye-nettle iya kuvuleka. Kungcono ukunyanga ulusu ngeviniga okanye ukucoca ngesanti emanzi.

Abahlobo kunye neentshaba zejellyfish

Iintshaba zendalo zejellyfish zibandakanya izidalwa zaselwandle ezahlukeneyo ezinjengeentlanzi kunye noononkala, kodwa kunye nofudo lweehawksbill kunye namahlengesi.

Zizala njani ijellyfish?

Ijellyfish izala ngeendlela ezahlukeneyo. Bayakwazi ukuvelisa ngaphandle kwe-asexually ngokukhupha amalungu emizimba yabo. Ijellyfish yonke ikhula ukusuka kumacandelo. Kodwa ziyakwazi ukuvelisa kwakhona ngokwesini: Emva koko zikhuphela iiseli zeqanda kunye neeseli zamadlozi emanzini, apho zidibana khona. Oku kubangela umbungu weplanula. Luzincamathele emhlabeni luze lukhule lube yinto ebizwa ngokuba yipolyp. Ijongeka ngathi ngumthi kwaye inesiqu kunye neentente.

I-polyp ivelisa ngokungafaniyo ngokucinezela i-jellyfish encinci emzimbeni wayo, ekhula ibe yi-jellyfish. Ukutshintshwa kokuveliswa kwesondo kunye ne-asexual kubizwa ngokuba kukutshintshana kwezizukulwana.

Care

Zitya ntoni iijellyfish?

Ezinye i-jellyfish zizilwanyana ezidla inyama, ezinye ezifana ne-cross jellyfish zizilwanyana ezidla utyani. Ngokuqhelekileyo zidla kwii-microorganisms ezifana ne-algae okanye iplankton yezilwanyana. Abanye bade babambise iintlanzi. Ixhoba likhubazeke bubuhlungu benettle yejellyfish lize emva koko lihanjiswe kwintunja yomlomo. Ukusuka apho ingena esiswini. Oku kunokubonwa kubunzima begelatinous benye ijelifish. Ikwimo yeesemicircle ezine ezimile okwezihlangu zamahashe.

Ukugcinwa kwejeli

I-Jellyfish kunzima kakhulu ukuyigcina kwi-aquariums njengoko ihlala ifuna ukuhamba kwamanzi. Ubushushu bamanzi kunye nokutya kufuneka kube ngokufanelekileyo ukuze baphile.