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A bara uru nri azụ whitefish

A azụmahịa azụ whitefish ịna oké uto na nnukwu ekwukwa n'akwụkwọ mma. Fish bụ onye so salmon na a hụrụ na oyi na-atụ mmiri nke dị n'ebe ugwu mba. Whitefish ibi mmiri nke Canada, Alaska, Siberia na Northern Europe, ebe ihu igwe, nri na mmiri na-kpamkpam dị iche iche site na ebe a - a ukwuu nke subspecies nke azụ. Karịsịa ọtụtụ ma dịgasịa iche azụ nke whitefish na Russia.

N'agbanyeghị nke a otu ndu umu, whitefish kewara ekewa site ebi ndụ na morphological e ji mara. Ọbụna n'ime otu ọdọ mmiri azụ nwere ike iche na anya, size, oriri na-edozi, mmepe, nụrụ ụtọ na-anụ.

Na Russia, na ụdị azụ whitefish nile na European akụkụ na Siberia. Ọ bi na fọrọ nke nta niile osimiri eru n'ime Arctic Ocean, na Lake Baikal. Na European whitefish a hụrụ na Onega, Lake Ladoga, Lake Peipus, na Curonian na Gulf nke Finland. Karịsịa a otutu azu na Karelian ọdọ.

Igbunye whitefish ọdọ mmiri, osimiri, na-eje ije-ebe. Lake na osimiri na spawn na-hụrụ naanị na ọdọ mmiri na osimiri. Kwurịta ndụ ukwuu n'ime ke ọdọ mmiri, na-aga spawn n'ime osimiri. Ụfọdụ ndị nnọchiteanya nke anadromous whitefish pụrụ ibi na mmiri nnu. Ha na-ebi na oké osimiri, na-emekarị n'ebe ndị confluence nke osimiri, ebe a ọtụtụ ihe oriri, na mmiri adịghị kwa nnu nnu, na spawn dịrị osimiri. A mụrụ ntorobịa anadromous azụ ebi osimiri nile na afọ.

Whitefish iche site na ọnụ ọgụgụ nke stamens na branchial njiko, bụ nke dị nso n'ọnụ. E nwere atọ iche: malotychinkovye, srednetychinkovye, mnogotychinkovye whitefish.

E nwere atọ ụdị nke whitefish a hụrụ ọnọdụ nke ọnụ: elu ọnụ elu, ọgwụgwụ - atụ, ala - ala. Dị iche iche subtypes iche na aru contours. Na ụfọdụ na ọ bụ ezigbo onye na streamlined, ebe ndị ọzọ - angular, nke atọ - na a mkpumkpu azụ ma ọ bụ aza ara.

N'ihi na morphological atụmatụ na ihe oriri nke whitefish, nke dị iche iche subtypes, e nwere iche. Dị ka ihe atụ, azu genus SIG na a ole na ole nke mesho rakers plankton ike-nri n'ihi na nke na-apụghị ime nke nje, n'ihi ya, prefers benthic invertebrates. Mnogotychinkovye whitefish eri tumadi plankton.

Fish, onye ọnụ na-eduzi elu, a na nnukwu, na-eri obere ntule na-ebi elu mmiri n'ígwé. Whitefish, onye ọnụ na-eduzi na-atụ, a nnukwu, rie ịsha,-eto eto, caviar azụ, ụmụ ahụhụ na erùrù ahụ.

The ibu nke kasị nta whitefish bụ ihe na-erughị otu narị grams, na kasị ike itu itiaita kilos. Dabere na umu, azụ whitefish anaghị eto dokwara. E nwere ngwa-ngwa-eto eto ma na-adịghị ngwa-eto eto ụdị. Dị iche iche subspecies nke whitefish na nọmba. E nwere ụdị onye bi na dị nnọọ ọtụtụ, na ndị ọzọ, na Kama nke ahụ, bụ na verge nke ikpochapu na-echebe site na iwu.

Whitefish na-nyere na a silver (na nwanyị acha) edo agba, toothless ọnụ, ewepụghị n'akụkụ, pụtara nnukwu akpịrịkpa, na-acha ọcha anụ. Fish whitefish adịghị agbanwe tupu akpata ya na agba, ma ụmụ nwoke na ozu n'ebe ahụ bụ a "pearl" placer. Na nwoke, n'adịghị nwanyị, ogologo ahu na obere ọtụtụ.

Kasị subspecies nke whitefish spawn ke mbubreyo mgbụsị akwụkwọ na oyi na-atụ mmiri. Ná ngwụsị nke oge okpomọkụ tupu mmalite nke na-akpata whitefish climbs elu osimiri ókè. Ọ esịmde akpata ọnwa. A, ndị a akụkụ nke osimiri nwere a na-adịghị ike ugbu a, na-emighị emi omimi na aja ala. Mgbe akpata whitefish adịghị anwụ anwụ, dị ka ọ bụ na salmon, na-alaghachikwuru na-adịgide adịgide ebe obibi.

N'ihi tọrọ ụtọ anụ na elu-abụba azụ whitefish bụ a bara uru nri ngwaahịa. Fish nwere bara uru amino asịd na mineral: ayodiin, fluorine, zinc, chromium, ígwè, site. whitefish abụba nke ọma gbarie na etinye obi gị dum site na aru ahu, ọ naghị emerụ afo, ọgaranya mkpa vitamin maka mmadụ A, D, eyi.

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