Kugwira Sakhalin Taimen: nyambo, kuthana ndi njira zogwirira nsomba

Akatswiri a Ichthyologists akutsutsanabe kuti nsombayi ndi ya mtundu wanji. Pofanana ndi taimen wamba, nsombazi zimasiyana mosiyanasiyana malinga ndi mmene zimakhalira komanso moyo. Goy kapena mphodza ndi nsomba ya anadromous. Imakula mpaka 30 kg kapena kupitilira apo. Sakhalin taimen ndi nyama yolusa.

Habitat

Anadromous salmon ya Nyanja ya Okhotsk ndi Nyanja ya Japan. Ku Russia, mphodza zimapezeka m'mitsinje ya zilumba za Sakhalin, Iturup, Kunashir, komanso Primorye, m'malo osungiramo madzi opita ku Tatar Bay. M'mitsinje, m'chilimwe, imakonda kukhala m'maenje, makamaka pansi pa zinyalala. Anthu akuluakulu amakhala awiriawiri kapena amodzi. Nsomba zolemera zosakwana 15 kg zimatha kusonkhana m'masukulu ang'onoang'ono. Kuchulukana kwa nsomba kungathenso kupanga m'dera la pre-estuarial panthawi yakusamuka. Mitsinje imatha kuyenda nyengo yonse. Anthu ena, m'nyengo yozizira, kuchokera kumadzi abwino, kupita kunyanja, samachoka. Sakhalin taimen ndi mtundu wotetezedwa. Chiwerengero cha nsomba chikuchepa.

Kuswana

Amafika pa msinkhu wogonana ndi zaka 8-10 zokha. M'nyengo yokwerera, kugonana kwa dimorphism sikukula bwino. Mwa amuna, malire ofiira owala amawoneka pa zipsepse ndi mikwingwirima yakuda yotalika kuchokera m'mbali mwa thupi. M'mitsinje, kubereketsa, sikukwera pamwamba. Zimameranso m’nyanja. Kubzala mbewu kumayamba mu Epulo ndipo kumatha mpaka kumapeto kwa June. Amapanga malo oberekera pansi, caviar imakwiriridwa pansi. Nsomba zimaswana mobwerezabwereza, koma osati chaka chilichonse.

Siyani Mumakonda