Hove Tulka: zvidhori uye nzira dzekubata hove

Hove duku yemhuri yeherring. Iyo ine yakadudzwa pelargic chitarisiko. Zviyero zvinopenya zvinosaswa nyore nyore. Tulka ihove inokwanisa kugara mumvura ine mwero wakasiyana wemunyu. Pakutanga, yaionekwa semugungwa kana kuti hove inogara kuzasi kwenzizi. Hove dzinogara dzichigara, dzichitora madhamu emvura yakachena. Parizvino, ine anadromous, semi-anadromous uye mafomu emvura yakachena. Pamusoro peiyo yaimbozivikanwa yemvura yakachena-yake fomu inogara murwizi rweUral, kilka yave rudzi rwemhando mumadhamu mazhinji eVolga nedzimwe nzizi dzeCentral Russia. Ihove inonamatira kumadziva makuru, haawanzouya kumahombekombe. Saizi iri mukati me10-15 cm kureba uye uremu hunosvika 30 gr. Masayendisiti anoparadzanisa hove dzinogara muRussia reservoirs kuita subspecies mbiri: Black Sea - Azov uye Caspian. Pasinei nehukuru hwayo, kilka ihove yakakurumbira pakati pevagari vomunharaunda yemhenderekedzo yekumaodzanyemba kweRussia neour country. Uye zvakare, yave chirauro chinodiwa kune vanoda kubata nzizi dzinodya (zander, pike, perch) munzvimbo dzese dzekugara. Kuti uite izvi, iyo sprat inokohwewa uye inochengetwa mufiriji mune fomu yakaoma.

Nzira dzekubata sprats

Mugungwa, kilka inobatwa masikati kana usiku "muchiedza", ine net gear. Kuti ushandise hove sechirauro, mumadhamu nenzizi, inocherwa nerubatsiro rwe "net lifts" kana kuti marudzi makuru emhando ye "spider". Kukwezva hove, shandisa marambi kana chidimbu chiduku chezviyo. Nekuvaraidza, sprat inogona kubatwa padanda rekuyangarara. Muchiitiko ichi, hapana chikonzero chekuve nemidziyo yakaoma. Ihove inobatwa pahupfu, chingwa kana porridge, inogona kuve yakasvibiswa nekunhuhwirira kwakanaka.

Nzvimbo dzekuredza uye dzekugara

Mumvura yeRussia, hove inowanikwa muBlack, Azov neCaspian Seas, inopinda munzizi dzakawanda mumabheseni emakungwa aya. Tichifunga nezvekugoverwa kwemazuva ano kwehove iyi, tinogona kutaura pamusoro penzvimbo yakakura yekugovera. Kugariswa patsva kunoenderera nanhasi. Hove inofarira madhamu makuru; mumadhamu akawanda ekugadzira, rave rudzi rukuru. Nzvimbo yekugara inosvika kumabheseni eVolga, Don, Danube, Dnieper nedzimwe nzizi dzakawanda. MuKuban, nzvimbo yekuvapo kwezvisimbiso iri mu delta, mamiriro acho akafanana neTerek neUrals, apo chisimbiso chakapararira kusvika kumucheto.

Kubereka

Tichifunga kuti hove idzi nyore kujairana nemamiriro enzvimbo, parizvino zvakaoma kuparadzanisa akasiyana ecological mafomu ehove iyi. Ihove inova yakakura mune zvepabonde mumakore 1-2. Iyo sprat ihove yechikoro, kuumbwa kwemapoka akasanganiswa, ane predominance yemakore 2-3. Zvichienderana nezvinodiwa nenzvimbo dzekugara, inobereka mumamiriro akasiyana: kubva kumakungwa kusvika kunzizi, madhamu nemadziva, sekutonga, kure nemhenderekedzo. Inobereka muchirimo, nguva yakati wandei, zvichienderana nemamiriro echisikigo uye maitiro edunhu. Kubereka kwechikamu nekufamba kwemazuva mazhinji. Mafomu eAnadromous anogona kupinda munzizi kuti abereke mumatsutso.

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