Iyi ihove duku, iyo ndeyemhuri yemhando dzehove dzecarp. Inowanzovhiringidzwa nekusviba, sezvo rima rakafanana nesairi, asi kana ukanyatsoriongorora, unogona kuwana mitsetse yakasviba pamativi nemuviri kumativi ese.
Mutsetse mutema wehove iyi unovamba kutangira pedyo nemaziso. Kana iwe ukanyatsotarisisa, iyo tambo inoumbwa kubva kune madiki mavara echimiro chakamanikidzwa. Pedyo nemuswe, bhandi iri rinobva ranyanya kuoneka. Mukuwedzera, mavara akasviba anogona kuonekwa pamusoro pemutsara we lateral. Apa vaita bongozozo.
Kana iwe uchienzanisa inokurumidza-wit ine rima, saka yakakura mukukwirira uye yakawanda humpbacked. Musoro weBystrianka wakati mukobvu, uye shaya yezasi haibudiriri mberi maererano nepamusoro peshaya. Iyo dorsal fin inowanzoswededzwa pedyo nemusoro, uye huwandu hwemazino e pharyngeal hushoma.
Iyi ihove diki isingakure kupfuura masendimita gumi. Panguva imwecheteyo, ine chitarisiko chinokwezva. Kumashure kwebystrianka kunosiyaniswa neyakasvibira-brown tint.
Mutsara, unowanikwa kumativi ose emuviri wehove, unogadzira kusiyana kwakajeka, ne-silvery-white tint, umo dumbu rakapendwa. Zvimbi zvemudhori nemakaudal zvine grey-green muruvara. Zvimbi zvepazasi zvine grey, neyero kuzasi.
Kusati kwatanga kubereka, bystrianka inowana chitarisiko chakasiyana. Mutsara uri pamativi unowana ruvara rwakanyanya kuzara, nepepuru kana yebhuruu tint. Pazasi chaipo, zvimbi zvinochinja orenji kana kuti tsvuku chaiyo.
Kubereka kunobereka mukupera kwaMay - kutanga kwaJune, kufanana nemhando dzakawanda dzehove. Munguva iyi, haigoni kuvhiringidzika nemamwe marudzi ehove.
Habitat yeBystrianka
Kusvika iye zvino, hapana data chaiyo yekuti inzvimbo dzipi dzepasi dzinogara Bystrianka. Sezvatinoziva, akasangana muFrance, Germany, Belgium neEngland, kusanganisira kumaodzanyemba uye kumadokero kwemvura yenyika yedu. Haana kusangana muFinland munzvimbo dziri kuchamhembe kweRussia. Iyo inozivikanwa zvakare kuti yakapararira muour country nePoland. Yakanga isingawanikwi mumadhamu eSt. Petersburg, asi yaibatwa pedyo neMoscow, kunyange zvazvo nguva nenguva. Kunyanya ichangopfuura, yakawanikwa mumutero weKama - Rwizi rweShemsha. Kazhinji, kukurumidza kunovhiringika nekusviba, sezvo vaine kufanana kwekunze, uye vanorarama hupenyu hwakafanana.
Bystryanka inosarudza zvikamu zvemadziva ane mhepo inokurumidza uye mvura yakachena, ndicho chikonzero chakawana zita rayo. Panyaya iyi, kusiyana nekusviba, haigone kuwanikwa mumadhamu ane mvura isingayerere kana mumadhamu ane inononoka ikozvino. Inofarira kuva muzvikamu zvepamusoro zvemvura, seine rima, iyo inofamba nokukurumidza uye inopindira kune zvose zvinowira mumvura. Panyaya yekumhanya kwekufamba, inokurumidza kupfuura rima.
Mukuita kubereka, Bystrianka inoisa mazai munzvimbo dzine simba rakasimba uye kuvapo kwematombo, iyo inonamatira mazai ayo. Pane imwe nguva, inogona kuisa yakawanda diki caviar. Dzimwe nguva kurema kwe caviar kunosvika kuwanda kwehove pachayo.
Kamurana kuva marudzi
Kune akasiyana marudzi ebystrianka - gomo bystrianka, anogara mumakomo enzizi dzeCaucasus, Turkestan Territory uye Crimean Peninsula. Iyo inosiyana mumutumbi wakafara, maererano neyakajairwa quickie. Mukuwedzera, ane denderedzwa remushure mekupedzisira, uye fin, iyo iri pedyo ne anus, ine maranzi mashoma. Gomo reQuickie rinosiyaniswawo nenyaya yekuti kune mamwe mavara akasviba pamuviri wayo. Zvinotendwa kuti yakajairika bystrianka yakabva mugomo bystrianka. Pasinei neizvi, kana tikaenzanisa nhamba yemazino epharyngeal uye chimiro chemuviri, ipapo bystrianka chinhu chepakati pakati perima, sirivha bream uye bream.
Commercial value
Bystryanka haisi yekufarira kubata kwayo pachiyero cheindasitiri uye inoonekwa sehove ine sora. Naizvozvo, inobatwa chete nekuda kwezvinangwa zvesainzi. Ehe, iye, seasina rima, anowanzo kwira chirauro chevaredzi, kunyanya pane yenguva dzose inoyangarara hove tsvimbo. Asi kune varedzi, zvakare hainakidze, kunze kwezviitiko apo zvakakosha kuishandisa sechirauro mhenyu kubata hove dzinodya.
Piekielnica (Alburnoides bipunctatus). Riffle minnow, spirlin, rima