A zvokudya zvinokosha hove whitefish

A yezvokutengeserana whitefish hove inoremekedzwa guru kunaka uye yakakwirira muviri yepamusoro. Hove ndiyo nhengo Sarimoni uye rinowanikwa mumvura inotonhora iri kuchamhembe munyika. Whitefish anogara mvura Canada, Alaska, Siberia uye Northern Europe, apo okunze, zvokudya uye mvura zvakasiyana zvachose pano - vakawanda subspecies hove. Kunyanya hove dzakawanda uye zvakasiyana-siyana whitefish mu Russia.

Pasinei Kuva chete utachiona rudzi, whitefish vakakamurwa mararamiro uye morphological maitiro. Kunyange mukati rimwe dziva hove vangava kusiyana kwechitarisiko, kukura, kudya kunovaka, budiriro, kuravidza nyama.

MuRussia, rudzi hove whitefish kwakapararira munyika European chikamu uye kuSiberia. It anogara zvinenge zvose nzizi inoyerera kupinda Arctic Ocean, uye Lake Baikal. In European whitefish chinowanikwa Onega, Lake Ladoga, Lake Peipus, kuti Curonian uye Gulf Finland. Kunyanya yakawanda hove iri Karelian reservoirs.

Govera whitefish nyanza, rwizi, famba-kuburikidza. Lake uye rwizi uye kuita kuti pave zvinowanika chete Makungwa nenzizi. Kufambisa kurarama kunyanya munyika madhamu uye, enda kuita kuti pave murwizi. Vamwe vamiririri anadromous whitefish vanogona kurarama mvura munyu. Vanorarama mugungwa, kazhinji munzvimbo yacho confluence enzizi, apo vakawanda zvokudya, uye mvura iri kunyanya wakawanda, uye kuita kuti pave uchakwira nzizi. Akaberekwa hove yokupara anadromous kurarama murwizi rose gore.

Whitefish vanosiyana kuwanda Stamens pamusoro branchial yokufeva, riri pedyo muromo. Kune akasiyana zvitatu: malotychinkovye, srednetychinkovye, mnogotychinkovye whitefish.

Kune mhando nhatu whitefish akawanikwa nzvimbo muromo: rokumusoro muromo kumusoro, mugumo - mberi, yakaderera - pasi. subtypes siyana kunosiyana uye muviri contours. Mune dzimwe zviri kumeso uye streamlined, nepo vamwe - chisina kutsetseka, wechitatu - ane ano kana kuzvimba mazamu.

Nokuda morphological Mumagazini zvokudya whitefish, kuva subtypes siyana, pane misiyano. Somuenzaniso, hove genus sig ine vashoma dakashwa rakers plankton hazvigoni zvokudya nokuda hazvibviri kugozha, saka anoda benthic invertebrates. Mnogotychinkovye whitefish kudya kazhinji plankton.

Fish, ane muromo chinotungamirwa zvichikwira, yemanyorero kwete guru, kudya zvinenge duku kuti vararame rokumusoro mvura akaturikidzana. Whitefish, ane muromo chinotungamirwa mberi, hombe, udye crayfish, vaduku, caviar hove, zvipembenene mazana.

Kurema duku whitefish idukusa zana magiramu, uye kupfuura anogona kuyera kilos anopfuura masere. Zvichienderana kwemarudzi, hove whitefish asingadi kukura zvakaenzana. Kune kukura nokukurumidza uye anononoka-kukura fomu. subspecies akasiyana whitefish pauwandu. Kune mhando vane vanhu vakawanda chaizvo, uye vamwe, nekusiyana, riri kuda kutsakatika uye kudzivirirwa nomutemo.

Whitefish hwakapiwa aine sirivha (mu vakadzi yellowish) yunifomu ruvara, mukanwa muromo, flat mativi, zvakanaka guru zviyero, chena nyama. Fish whitefish haachinji asati zviri kukonzera ruvara kwayo, asi vanhurume pamusoro muviri pane "parera" placer. In vanhurume, kusiyana vakadzi, refu muviri uye zviduku pachiyero.

subspecies Vazhinji whitefish kuita kuti pave mukupera kwematsutso mumvura inotonhora. Panoperera zhizha risati ratanga zviri kukonzera whitefish anokwira rwizi kure zvakakwana. Zvasvikira zviri kukonzera mwedzi. Kazhinji, zvikamu izvi murwizi vane simba kuitika, kudzika kudzika uye jecha pasi. Pashure zviri kukonzera whitefish haufi, sezvo riri Sarimoni, uye unodzokera yokugara zvachose nzvimbo.

Nemhaka inonaka nyama uye mukuru-mafuta whitefish hove inokosha chikafu chigadzirwa. Hove rine rinobatsira amino acids uye zvicherwa: ayodhini, fluorine, zingi, chromium, simbi, phosphorus. whitefish mafuta zvakanaka ozeyewa uye yokuita zvinoitwa muviri, hazvina kukuvadza dumbu, wakafuma mavhitaminzi anokosha nokuda kwevanhu A, D, PP.