Moscow Okutobala 30th. INTERFAX.RU - Akatswiri ofufuza zinthu zachilengedwe amapeza koyamba ndipo adatha kufufuza mtundu whale wankhanza kwambiri - a Omura a minke whale, inatero BBC Asayansi anapeza anthu onse pagombe la Madagascar.
M'mbuyomu, chinsomba cha Omura chinali chodziwika chifukwa chofufuza zotsalira za chinsomba. Mu 2003, akatswiri azachilengedwe aku Japan adalengeza za mtunduwu, koma sanathe kuwona anthu enieni a minke whale, omwe amatha kutalika mamita 12 kutalika. Nyangayo idatchedwa dzina lake polemekeza mmodzi wa asayansi omwe adatulukira.
Ndipo tsopano zidalengezedwa kuti asayansi adatha kupeza chinsomba cha Omura mwanjira zawo zachilengedwe. Phunziroli limasindikizidwa m'magazini yotchedwa Royal Society Open Science.
Kalelo mu 2011, gulu lapadziko lonse lapansi la akatswiri ofenda panyanja, omwe adagwira ntchito pagombe la Madagascar ndikuphunzira ma dolphin, adakumana ndi anamgumi atatu achilendo. Kenako ofufuzawo adaganiza kuti iyi ndi mtundu wina wosowa - a Bryd's minke. Patatha chaka chimodzi, adawonanso nyama zingapo, kenako akatswiri azamoyo atazindikira kale kuti imodzi mwa iyo si minche ya Bryde.
Mu 2013, akatswiri a zanyengo adaganiza zokhala kutali ndi gombe ndi kukagwira ntchito mwakuya pomwe posakhalitsa adakumana ndi gulu la anamgumi. Tsopano adatha kuyang'anitsitsa nyamazo ndikuwonetsetsa kuti sizinali nyama za Mkwatibwi.
Mu 2014, kuyesa kwa ma genetic kudatsimikizira kuti awa anali Omura minke whale, ngakhale kale ankakhulupirira kuti malo awo amakhala kum'mawa kwambiri. Kenako zinali zotheka kutsimikizira kukhalapo kwa makope 44.
Mikwingwirima Omura ali ndi thupi lopyapyala lalitali lokhala ndi mtundu wa asymmetric: theka lakumanja kwawo limakhala loyera kuposa lamanzere. Mikwingwirima yopepuka ndi yakuda ndi mawanga zimayambira kuchokera kumaso oyenera mpaka kumapeto kwa pectoral. Mtunduwu umapangitsa aliyense kukhala wapadera. Zinsomba zoterezi zimakonda kuyenda zokha, koma zimatha kupanga mawu ocheperako, mogwirizana ndiomwe asayansi amati nyama nthawi zambiri zimatha kusonkhana m'masukulu.
Akatswiri azomera sanapezebe zomwe Omura's minke whale amadya. Koma akatswiri ena am'madzi akuwona momwe, monga mitundu ina yambiri ya anamgumi, amatunga madzi pakamwa pawo ndikuyibwezeretsanso kudzera pa whalebone, momwe plankton imatsala.
Omura wokhala ndi strira ali pachiwopsezo chifukwa chopanga mafuta kudera la Madagascar.
Chowoneka mosiyanitsa ndi zolengedwa izi ndi chizindikiro patsinde.
Asayansi aku New England Aquarium adatha kujambulitsa nyambo zazing'ono zamtundu wa Balaenoptera omurai pavidiyo. Kwa nthawi yayitali, zibowo zamtunduwu zimasokonekera ndi oimira ena mwa cetacean order, koma mu 2003 kuyesedwa kwa majini kumatsimikizira kupezeka kwawo. Tsoka ilo, chidziwitso chonse cha chibadwa chokhudza iwo chinapezeka kuchokera ku minofu yakufa ya mitunduyo.
Anangumi amenewa, omwe kutalika kwake ndi kuyambira pa 10 mpaka 11.5 metres, sanazindikirike. Pokhapokha mu 2011, gulu la asayansi linawapeza pagombe la Madagascar. Asayansi adaganiza zofufuza tsatanetsatane m'deralo. Mu 2015, akatswiri adatha kufotokoza mwatsatanetsatane zamtunduwu komanso mawonekedwe a machitidwe awo.
Tsopano ali ndi kanema wowonetsera osowa omwe ali ndi zilembo zapakhosi pamunsi.
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Zizindikiro zakunja kwa mphutsi wakuda.
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