Tsvina - Fish inobatsira

Tsvina - hove, ine diki, zvinyoronyoro flakes kuti idonhe chaizvo nyore. uyewo ane elongated muviri, muromo ane rushaya refu uye meno makuru akawanda. hove Izvi rakanaka chaizvo. Boca - sirivha ane rinokwanisa kucheneruka tint, uye vakasara - a brownish-nyoro uye zvishoma translucent.

Miganhu, izvo tsvina mhuri hove, kuvimba nzvimbo inogara. Zvikurukuru, kureba kwayo anoda kubva 16 kusvika 20 cm, zvikuru vashoma chiratidzazvizhinji kureba masendimita 25 kana kupfuura. Kusiyanisa pakati European uye Asian tsvina, kunyange zvazvo Kusiyana chiduku kuti vanowanzoororwa kuvhiringidzwa mumwe. Kurema nomumwe chiratidzazvizhinji kunogona kubva 20 kusvika 350 magiramu - napo nzvimbo. Most hove huru inowanikwa kuSiberia.

Kazhinji, tsvina - hove ane nzvimbo huru kwazvo. Zvisinei, kazhinji dzinogona kuwanikwa kuchamhembe mumvura. Sea hove mhuri tsvina kupararira Freshwater madhamu uye kuchitonhora inonzi whitebait. Vamwe vaongorori vanodavira kuti vakaderera mhuka.

Kakawanda izvozvo tsvina inowanikwa Gulf Finland, kweArctic Ocean, kuBaltic uye White makungwa, Ladoga, uye Onega madhamu Peipus. Chete akawana shoals guru mugungwa uye mumvura yakachena.

Tsvina - hove dziri voracious chaizvo. Kunyange zvazvo zvokudya chikuru chiri zooplankton, hazvina haadzokeri uye nehove duku, izvo hakuna kudzika zvikuru. hove Izvi ndowenyika Sarimoni, saka gungwa, vanhu muchirimo kuti kuita kuti pave wakakwira safarira nzizi. Panguva iyoyowo mabhiriyoni akaitwa mazai kubva majaya zvaakadya ipapo kukudziridza. Mumwe defers kusvika 50 000 inokwana zviyero mune imwe zviri kukonzera. Zvichienderana zviri kukonzera nzvimbo uye okunze furaya vape- mumazuva 5-10. Zvinenge zvose namarudzi akaoma musoro chaizvo, saka kakawanda kubata kusvika mutengi anosvika mupenyu. Duration upenyu tsvina zvinyamusi uye kunoenderana nzvimbo inogara. Nechepakati Russia, hove haararami makore anopfuura 3-4, asi pedyo kuchamhembe, Kureba kwarwo. KuSiberia, nemakore vanhu vari vagari rinosvika makore 10-12.

Nokuda nokukurumidza uye dzakawanda kubereka tsvina - hove kunowanikwa zvevoruzhinji. muviri ehupfumi dzayo kuti tikwanise kugadzirira kubva zvakasiyana culinary zvinofadza. Zvinokwanisika kutenga kurarama, yakachena muchando, munyu, aisvuta kana muchimiro zvinochengetedza. Hove zvinogona chakabikwa muchoto, zvakakangwa mazimbe anopisa nevhu kana kungoti mugango. Munhuwi dzichangobva kubatwa tsvina kwakafanana nokunhuhwira wemagaka. Nyama hove dzakawanda zhirnovat, asi chete inonyunguduka mumuromo mako. Kushandisa ruchiita zvakanakisisa chete yakachena muriwo kana yakabikwa kana zvakakanyiwa namafuta matapiri.

Tsvina ndiye vane mwero uye chaizvo unonyatsokodzera hazvizivi kurima riri dzokutengesa pamwero. Rutoto hove idzi kazhinji nyore. Zvaringana kuva akanaka rakadzika mudziva kana dziva mvura inotonhora. Zvinozivikanwa kuti mu England ichi mhando ehove akatunhidzwa kunyange madziva anokosha, umo kwazvo yakatanga. The zvinobetsera nzvimbo maberekero, maererano nenyanzvi - ndiwo dhamu iri nechepakati Russia.