Chinese White Dolphin: tsananguro uye mararamiro

In yegungwa, asingasviki 3 km kubva kumhenderekedzo, mumvura isina kudzika, musha kune imwe mhuka zvinoshamisa yakanaka - Chinese chena Dolphin, kureva Unorudzi Cetacea.

tsananguro

Length tetepa uye simba mutumbi Dolphin zvingava 180 kusvika 230 cm. Kurema mhuka vakura vanogona kusvika 260 makirogiramu. The South African Mvura kusangana vakawanda guru. Kumigumo dzakafara pectoral zvimbi vari vakagumisa. Spinal anoyeuchidza bhokisi. The muromo iri refu uye yakatetepa, zvishoma curved uchikwira. The huma rikazvisundira zvishoma pasi duku ano. Nokuda akadaro yacho yaiva Chinese chena Dolphin inozivikanwa "ane musana wakakombama". Zvichienderana dzinogarisana muviri chimiro chayo ruvara zvishoma zvakasiyana. Pane Dolphin vanhu kuti vane pinkish ruvara, iro kunokonzerwa translucent ganda kuburikidza nhumbi ropa.

Zvokudya chikuru kuti mhuka zvomumvura vari eels, Catfish, molluscs uye crustaceans kuti vararame pasi. Achishandisa simba, rine lateral protuberances pamusoro rakafara midzi mazino Dolphin nyore rinopwanya deko molluscs.

Ivo kushambira zvisanduke - avhareji nokukurumidza ndiyo avhareji 4.8 makiromita paawa. Panouya ose 40-60 mumasekonzi Dolphin hove kunze rinokundwa pamusoro kufema. The kunonyanyisa nguva inogona anyatsofukidzwa mamwe vakuru - 8 maminitsi, vana havagoni kuchengeta mweya yavo kwenguva yakareba uye kare hunobuda pashure maminitsi 3.

nzvimbo

Chinese White Dolphin rinowanikwa kunyanya yegungwa iri kumaodzanyemba China, ari Bay pakati Bengal, muna Indo-Malay Archipelago, kure kumabvazuva kwemhenderekedzo Northern Australia. vanhu Small zvinowanikwa akanyudzwa mumakungwa, dzakadai iri Gulf. Rokunyaradza udzamu nokuti Dolphins iyi kwemarudzi asingadi kupfuudza 100 metres, saka kuparadzirwa wavo ndeyevanyori yegungwa pamusoro Continental pasherufu. Aonawo mhuka idzi, achisarudza pakachena pamhenderekedzo, estuaries, lagoons, matombo kumboongororwa. Chinese tucuxi kazhinji anogara mumvura ane tembiricha iri 24-30⁰S.

Mararamiro

Kazhinji, mhuka idzi vanogara mumapoka maduku - kubva 3 vanhu 7. Kana zvakakodzera, unogona kutsigira hama dzavo. Kazhinji munhu anogona kuchengeta Dolphins kukurukura nemumwe uye nedzimwe mhuka. Izvi zvinoitwa nokuda yakasiyana machemero muchimiro the clicks, miridzo uye kudanidzira.

Dolphins vanokwanisa yakakwirira kwazvo kusvetuka kubva mumvura. Dzimwe nguva protrude hafu, achiongorora yakapoteredza nzvimbo. Mumvura vazvibate zvikuru pachena - akayangarara kudivi kana shure, pamwe chena Dolphin dumbu anozviita pamwe pachena zvinonakidza.

Dzimwe nguva unogona kuona sei mhuka idzi pamwe nechikepe chokuredzesa, kuedza kubata hove achapukunyuka utava hove. Vari yokuzogumbura pachavo vari Pakadaro, kuti rarasika pomumbure, izvi zvava kuda navo rufu, t. To. The Dolphins vanofanira kuuya pamusoro kufema.

Kubereka uye kuchengeta vana

Kuparidzira nemakore pabonde zvokunamata kunoitika muna vanhukadzi makore 10, vechirume makore maviri gare gare. Iyo boka richitora mazamu chinogara gore rose, asi panguva kushingaira kuberekesana kunoitika muzhizha kunonoka. Pamuviri kunogara kwenguva refu - inenge 10-12 mwedzi. Kamwe muna 3 years hadzi anobereka mhuru imwe chete uye kwete vanotsvakurudza nezvekuporeswa kubva pachipfuva kusvika maviri makore, pasinei nokuti kubva mwedzi mitanhatu mwana anokwanisa kudya kwakafanana guru chena Dolphin. Kudya kusvika ka30 pazuva nuna mukaka, delfinyata kukura nokukurumidza, achiwedzera uremu kusvika 250 magiramu pazuva. Mugore upenyu rokutanga usingasii mwana kubva mai kupfuura 2-3 metres, nguva dzose yodzoka yoenda nayo.

kusununguka nguva vakadzi makore anenge 15 - kubva 5 makore 20. The hunotarisira Dolphins chena dzomusango upenyu anenge makore 40. In muutapwa, havana kushanda regai kurarama.

Dolphins uye vanhu

Kufanana nevamwe cetaceans zhinji, Chinese chena Dolphin ari pangozi zvikuru mabasa evanhu chokuita Fisheries. Fishing mimbure kukuisa nengozi kuti mhuka idzi. Uyezve, inotyora zvakavapoteredza, kusvibisa mvura, nemhaka iyo zvinova uye Kuparadzwa mumatanda hove. Kuvaka chiteshi zvivako, kufamba nezvikepe kuti yegungwa - izvi zvose zvinotungamirira vasanyanye nhamba mhuka idzi dzinoshamisa.