Sterlet kifi. Sterlet salon da mazauninsu

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Fasali da mazaunin sittin

Sterlet din kifin yana da adadin kwari da yawa waɗanda ke kan tarnaƙi, ciki da baya. Hakanan daga abokan aikinta an banbanta shi ta hanyar katse leben da ke ƙasa. Launi yawanci duhu ne, launin toka, tare da tumbin haske.

Sterlet - kifi babba babba. Girman babban mutum zai iya kai mita daya da rabi kuma ya kai kimanin kilo 15. Representativesananan wakilan jinsin galibi ana samun su.

A cikin tekun Yenisei, Siberian kifin jan kifi... Kari kan haka, masunta a wannan yankin galibi suna alfahari da kamun da suka yi a cikin wani sumul da hanci mai kaifi. Bayan haka, sturgeon kifin sterlet ne yadu tartsatsi.

Wannan jinsin ana ganin yana da matukar daraja a cikin kamun kifi. A farkon karni na 20, ana kama tan dari da yawa na kifin mara dadi a kowace shekara a cikin tafkin Volga. Sannan, a tsakiyar karni, yawan jinsin ya ragu sosai, watakila saboda yawan hallaka mutane da gurbatar ruwa.

Koyaya, a ƙarshen ƙarni, yawan jama'a ya fara ƙaruwa. An yi imanin cewa wannan yanayin yana da alaƙa da matakan kiyayewa, waɗanda ake aiwatarwa a ko'ina dangane da barazanar ƙarewar nau'in.

A tsawon shekarun amfani da wannan nau'in don abinci, nau'ikan daban-daban girke-girke na kifi... Yana da kyau a lura cewa dangane da yankin, shirya kifin sterlet ta hanyoyi daban-daban, amma yawan ɗanɗano koyaushe baya canzawa.

Hakanan, ba wai kawai abubuwan da aka haɗa na jita-jita da hidimtawa sun bambanta ba, har ma da hanyoyin dafa abinci, farawa daga miyan kifi akan wuta, yana ƙare da kifin da aka toya a cikin tanda tare da ƙarin kayan ƙanshi.

A halin yanzu, ana kiyaye wasu nau'in da yawan jama'a. Ta hanyar matakan adanawa da haɓaka lamba, ana aikin tsarkake ruwan da yaƙi kamun kifi ba da izini.

Yanayi da salon rayuwa

Sterlet kifi masu son zaman lafiya - mutane da yawa ba su da yawa. Sai kawai a lokacin hunturu wakilan jinsin ke zaune wuri ɗaya; a cikin lokacin dumi, suna motsawa sosai.

Da farkon yanayin sanyi, wannan kifin mai aiki yana neman ramuka masu zurfin gaske, inda yake hibernates. A matsayinka na ƙa'ida, a cikin babban ɓacin rai akwai iya samun mutane ɗari ɗari suna matsawa juna lamba. Don haka, kifin yana kwance kusan motsi, yana jiran dumi.

Abin da ya sa kamun kifi da sandar sandar sanyi a lokacin hunturu aiki ne mara ma'ana. Kunnawa hoton kifin sterlet sau da yawa zaka iya samun ba ɗaya ba, amma mutane da yawa lokaci ɗaya - wannan wata hujja ce ta halayen haɗin gwiwa. Tare da farawar zafi, kifin yana motsawa sosai. Daga ƙananan rafukan kogin, yana yawo sama da na yanzu.

A kan hanya, kifin yana neman wuri don dab da haihuwa. Ba lallai ba ne a faɗi, yanayin rayuwar kifin yana ƙarfafa masunta su kama shi da raga. Tabbas, wannan hanyar doka ce ta hukunta shi a yawancin yankuna, kodayake, mafarauta ba sa mai da hankali ga mahimmancin haramcin.

Don haka, ana siyar da sterlet da yawa a kasuwanni, dangane da musayar tsakanin mazaunan ƙauyuka masu ƙwarewa waɗanda ke kusa da kogunan. Sayi kifin kifi yana iya zama yana da rai ko ya mutu - duk ya dogara da tsawon lokacin da aka kama ta. Idan an kama mutum kwanan nan, musamman tare da raga, mai yiwuwa mai siyarwar ya ba da shi da rai.

Koyaya, idan kifin ya rigaya yayi daɗi, to a daskararre ne kawai za'a iya adana shi na dogon lokaci. Ya kamata ka yi hankali game da siyan daskararren kifi, tunda babu tabbacin cewa bayan ya narke zai zama mai ci. Farashin kifin Sterlet na iya bambanta daga lokacin shekara, yanki, kuma ba shakka ingancin samfurin da aka bayar.

Sterlet kifi abinci

Tuni a matakin larva, wakilan nau'ikan suna cin plankton da ƙananan ƙwayoyin cuta. Irin wannan abincin ya dace da kifi har ma a lokacin balaga. Ruwan farin ruwa yafi ciyarwa cikin duhu.

Bugu da kari, manya na iya cin injin da ke cikin benthic, bi da bi, girman irin wannan "abincin" ya dogara da girman kifin da kansa - ganima mai yawa bata da sha'awa a gare ta.

Sterlet yana cin wasan sauran kifin da farin ciki mai yawa. A lokacin hunturu, lokacin da wakilan jinsin basa aiki kuma suna kashe kusan lokacinsu a cikin ƙungiyoyi na kusa cikin damuwa, ba sa ciyarwa kwata-kwata.

Sake haifuwa da tsawon rai na sterlet

Bayani game da yaduwar kwayar halitta, a bayyane saboda yawan yaduwarsa, yawanci ana danganta shi da mazaunin wasu jama'a.

Don haka, ya danganta da yawan kifin da mutane ke ci, da lalacewa ko inganta wuraren rayuwa, yawan jama'a na raguwa da ƙaruwa a yankuna daban-daban.

Matsakaicin yanayi kifi daga dangin sterlet yana ɗauka daga wata ɗaya zuwa ɗaya da rabi. Lokacin kiwo yakan auku ne a ƙarshen bazara lokacin da zafin ruwan ya tashi. Wato, mata suna shirye don kiwo lokacin da zafin ruwan ya tashi zuwa digiri 10. Wannan jihar tana zuwa digiri 17-20.

Theididdigar saurin ya dogara da yanayin ruwa. Don haka, yawan zafin jiki, da ƙasa da kifi, basu dace ba. Kari kan hakan, matan da ke kwarara sun fi son kwararar kogin akalla kilomita hudu a cikin awa daya.

Haihuwa ya dogara da shekarun chaska. Don haka, ƙaramin mutum, ƙananan ƙwai yake sakawa. Kuma, bisa ga haka, akasin haka. A cikin lambobi, a cikin shekaru biyar lambar eggswai na ƙwai bai wuce dubu 15 ba, kuma kifin da ya haura shekaru 15, a ƙarƙashin kyakkyawan yanayi, na iya yin ƙwai kimanin dubu 60.

Qwai da kansu ƙananan ƙanana ne - kimanin milimita 2-3 a diamita. Galibi, balagar jima’i tana da shekara uku. Koyaya, mata suna samun isassun kayan aiki don cikar zuriya daga shekara 5, maza a shirye suke don aiwatarwa a kusan shekaru ɗaya, banda mutum yana yiwuwa.

Ya kamata a sani cewa mata na wannan nau'in ba koyaushe zasu iya samar da ƙwaya fiye da ɗaya ba. Koyaya, idan wannan ya faru, ingancin caviar kanta yana haɓaka tare da kowane ɗayan da ke zuwa. Sterlet a ƙarƙashin yanayi mai kyau na iya rayuwa na dogon lokaci - har zuwa shekaru 27-30, amma irin waɗannan al'amuran ba su da yawa.

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Kalli bidiyon: our new fish. a Sterlet (Nuwamba 2024).