Chinese White Dolphin: inkcazelo kunye nendlela yokuphila

Emanzini onxweme, ngaphantsi kwe-3 km ukusuka elunxwemeni, kumanzi abanzi, ikhaya nesilwanyana emangalisayo intle - Chinese eku xhulumaneni ezimhlophe, ebhekisela ngokomyalelo Cetacea.

incazelo

Ubude umzimba slim kwaye womelele le ngxaki eku xhulumaneni ibe ukusuka cm-180 ukuya-230. Ubunzima isilwanyana endala ingaba 260 kilograms. Amanzi eMzantsi Afrika udibana nabantu abaninzi enkulu. Iziphelo amaphiko pectoral Ububanzi elirhangqiweyo. Nomqolo ukhumbuza ibhokisi. Lwalo elide kwaye imxinwa, kujikwa kancinci phezulu. Ebunzini licinezelwe kancinci phantsi idolo encinane. Ngenxa osemqoka lowo eku xhulumaneni Chinese emhlophe eyaziwa ngokuba "unqaphele". Kuxhomekeka ezihlala shape lomzimba kunye nombala wayo kancinane eyahlukileyo. Kukho abantu eku xhulumaneni ukuba abe inombala obupinkirha, nto leyo ibangwa ulusu kwawo ngokusebenzisa imithambo yegazi.

Eyona ukutya izilwanyana zaselwandle ezi eels, catfish, molluscs kunye intlanzi bahlala emazantsi. Ukusebenzisa namandla, ukuba protuberances osecaleni kwiingcambu ngokubanzi amazinyo eku xhulumaneni ngokulula undintlitha molluscs iqokobhe.

Bona ukudada kakhulu kancinane - kwisantya umlinganiselo umlinganiselo kweekhilomitha 4.8 ngeyure nganye. Ngokoqobo zonke imizuzwana 40-60 eku xhulumaneni iintlanzi ngaphandle uwela kumphezulu ukuphefumla. Ubuninzi bexesha ukuba ibe ngaphansi abathile abadala - imizuzu-8, abantwana abakwazi ukubamba umoya wabo ixesha elide yaye sele ivele emva kwemizuzu-3.

ezihlala

Chinese White Dolphin ifumaneka ikakhulu kumanzi yonxweme emazantsi China, i-Bay of Bengal, kwi Indo-Malay Archipelago, kunxweme olusempuma Northern Australia. Isiphumo soku afumaneka kweelwandle ezivalekileyo, ezifana kwi Gulf. kubunzulu entofontofo dolphins ezi zilwanyana akufuneki ube ngaphezu kweemitha ezili-100, ngoko usasazo ufanele ukuba amanzi onxweme kweshelfu lizwekazi. Kwakhona ezi zilwanyana, lukhetha unxweme, amachweba, amachweba, izixhobo ezivulekileyo onamatye. tucuxi chinese ngokuqhelekileyo ehlala emanzini kabani Amazinga 24-30⁰S.

indlela yokuphila

Ngokuqhelekileyo, ezi zilwanyana bahlala ngokwamaqela amancinane - ukususela nge-3 kubantu 7. Ukuba kuyimfuneko, ungakwazi ukumelana izihlobo zabo. Ngokufuthi umntu bagcine dolphins ukunxibelelana nabanye kunye nezinye iintlobo zezilwanyana. Oku kwenziwa izandi ezahlukeneyo ngendlela konqakrazo, neempempe nokumemeza.

Dolphins ayakwazi jump ophezulu kakhulu ephuma emanzini. Ngamanye amaxesha ezivelileyo enesiqingatha, ehlola kwindawo ezingqongileyo. Xa amanzi ukuziphatha ngendlela ngokukhululekileyo - kwakudada phezu kwicala okanye umva, kunye isisu eku xhulumaneni emhlophe loo nto nehlombe izicacele.

Ngamanye amaxesha ungabona indlela ezi zilwanyana zihamba ngesikhephe, ezama ukubamba iintlanzi usinde iminatha yokuloba. Bona ukubeka ngokwabo ngamaxesha ezinjalo, ukuba ulahlekile kuthungelwano, le meko kusongela ukufa, t. To. Le dolphins kufuneka eze kumphezulu ukuphefumla.

Veliswa kunye nokhathalelo wenzala

Ukufikelela ubudala ukuqola yenzeka kwiminyaka 10 mazi, abudala kwiminyaka emibini kamva. Lokuphathana kwempahla emfutshane ithatha unyaka wonke, kodwa ngexesha lokukhwela esebenzayo lwenzeka ekupheleni kwehlobo. Pregnancy ihlala ixesha elide - malunga 10-12 iinyanga. Kanye kwiminyaka emi-3 Imazi yomkhombe izala ithole elinye kuphela kwaye zokuthi naye esifubeni ukuya phantse kwiminyaka emibini ubudala, nangona ukususela kwiinyanga ezintandathu usana uyakwazi ukutya ukutya efanayo njengoko eku xhulumaneni omhlophe. Ukudla, ukuya amaxesha 30 ubisi okunamafutha lwebele imini delfinyata ukukhula ngokukhawuleza kakhulu, esongeza ubunzima ukuya 250 grams ngemini. Kulo nyaka wokuqala wobomi angazishiyi Lithole ukusuka kumama neemitha ngaphezu 2-3, ujikeleza rhoqo ngeenxa zonke kuyo.

ixesha nokuzala amabhinqa ukuba kwiminyaka eli-15 - ukusuka ku-5 ukuya kwiminyaka engama-20. Ixesha lokuphila lwabemi dolphins ezimhlophe zasendle kwiminyaka engama-40. Xa ekuthinjweni, ukuba phantse musa asinde.

Dolphins nabantu

Njengezinye iintlanzi ezininzi, eku xhulumaneni emhlophe yaseTshayina usengozini enkulu kwimisebenzi yabantu enxulumene okuloba. iminatha yokuloba ingxaki enkulu kwezi zilwanyana. Ukongeza, bephula kubangqongileyo, ungcoliseko lwamanzi, isiphumo apho iba kunye ukuncipha kwezixa zentlanzi zentlanzi. Ukwakhiwa chweba, intshukumo lwezikhephe ukuba amanzi onxweme - konke oku kukhokelela ekuncipheni inani ezi zilwanyana ezimangalisayo.