Sturgeon ntses - tshwj xeeb tshaj yog yuav nteg qe

Sturgeons yog ib tug ancient tsev neeg. Raws li cov lus ceeb toom, lawv nyob txog 250 lab lub xyoo dhau los. Sturgeon distinguished los ntawm lawv cov tsos: lub xub ntiag ntawm bony scutes, ntev snout thiab plaub whiskers nyob ib ncig ntawm lub qhov ncauj uas tso cai rau lawv kom sai li sai paub txog cov ntau ntau hom ntses ntawm lub tsev neeg. Nws qauv zoo li sturgeon cartilaginous ntses, lawv tsis muaj pob txha caj qaum, tsis muaj dab tsi yog tam sim no cartilaginous notochord, uas muaj ib tug high elasticity.

Cov feem ntau sturgeon - Baikal sturgeon, sturgeon Lavxias teb sab thiab sturgeon, sturgeon Beluga thiab Kaluga. Tag nrho cov ntawm lawv yog cov heev loj thiab ib co nrws mus txog ib tug ntev txog li 3 meters. Beluga yog cov coob sawv cev ntawm cov tsev neeg, thiab sturgeon - qhov tsawg tshaj plaws ntses, sturgeon tsev neeg. Yuav luag tag nrho cov ntawm cov sturgeon yog anadromous ntses, piv txwv li nyob rau hauv lub seas thiab tuaj mus spawn nyob rau hauv tus dej ntws, tsuas yog cov Baikal yog lub sturgeon, uas yog yoog mus rau ib tug lub neej tsis muaj ntsev dej.

Sturgeon ntses yog txhom thiab yog li pub rau me me ntses, ntau yam cua nab, mollusks thiab kab. Qhov txawv ntawm cov tsev neeg ntawm cov ntses yog ib tug ntev lub sij hawm ntawm nws lub neej, yog li tiav nkauj tiav nraug lawv tshwm sim es lig.

Txij li thaum Baikal sturgeon tsis tau rau nws cov ntsiab lus ntawm cov ntsev dej, nws pib nteg qe ua ntej tshaj lwm yam ntses tsiaj ntawm tsev neeg. Tam sim no, sturgeon yog zoo ntes tau nyob rau hauv lub Volga, nws yog diluted nyob rau hauv ntau European kev tuav nyiaj txiaj, raws li zoo raws li nyob rau hauv Uruguay.

Thawj lub xyoo ntawm nws lub neej sturgeon siv nyob rau hauv lub seas, thiab cia li nkag mus kawm tiav nkauj tiav nraug (12-16 xyoo) ntses rushes nyob rau hauv Estuaries. Nws txav ntws los rau tej qhov chaw thiab spawning.

Ua taus zes sturgeon txawm hais tias heev, tab sis heev muaj txiaj ntsim ua lag ua luam. Yog hais tias koj muaj tej yam kev txawj ntse, tsim ib qho nyiaj txiag mus kom ze yuav siv marine pastures, uas yuav tsum tau zus sturgeon, muab tsis tau tsuas yog zoo tab sis qe thiab qab nqaij, thaum ua hauj lwm rau cov nqi yuav tsum nyoog.

Ua lag ua luam rau zus tau tej cov zaub mov yeej ib txwm tau muaj txiaj ntsim, nws yog tsis muaj exception thiab yug me nyuam ntses, tshwj xeeb tshaj yog sturgeon, raws li nws yog ib tug ntawm cov yooj yim foodstuffs. Nyob rau hauv tej lub teb chaws, nws yog ib tug staple ntawm cov ntses thiab cov los ntawm kev npaj lub ib thooj ntawm tag nrho cov tais diav.

Sturgeon yog tsis nyob rau hauv vain pom tau hais tias yuav muaj ib tug ntawm cov zoo tshaj plaws hom ntses, raws li tau hais tias, nws tsis yog tsuas yog ib qhov chaw ntawm dub caviar, tab sis kuj cua thiab noj qab nyob zoo nqaij. Tsis ntev los no, coob leej ntau tus yuav no zoo ntawm ua lag ua luam raws li yug me nyuam ntawm sturgeon.

Yuav pib no ua lag ua luam, koj yuav tsum muaj ib daim av uas yuav tsum tau muab nruab nrog ib tug ua luam dej pas dej ua ke, qhov twg yuav muaj khiav dej los yog koj muaj peev xwm yuav ib tug npaj txhij-ua pas dej. Yog hais tias koj npaj yuav loj hlob sturgeon uas mus txog ib tug kilogram, nws yuav tsuas ntxiv saturate lub cev ntawm cov dej uas muaj oxygen. Yog hais tias nyiaj txaus yuav yuav ib tug tshwj xeeb pas dej ua ke uas ua ib qhov kev ntawm dej, tab sis qhov no yog nyob ntawm yeem.

Nrog rau cov nrhiav tau ntawm kib nyob rau lub sij hawm ntawd muaj tsis muaj teeb meem. Sturgeon hlob zoo nkauj sai sai, thiab yog hais tias koj yuav xa kib lub caij nplooj ntoos hlav, los ntawm lub caij nplooj zeeg, tej zaum nws yuav zoo mus txog ib tug luj ntawm ib kilogram. Ua li no, koj yuav tsum tau tsim qhov zoo tagnrho tej yam kev mob rau nws txoj kev loj hlob thiab siv high-zoo pub.

Yog hais tias koj txiav txim siab los mus tsim ib lub tuam txhab rau zus tau tej cov qe, nws yog tsim nyog yuav twb laus ntses, uas nws muaj hnub nyoog yog ntau tshaj li 14 xyoo yog lub hnub nyoog ntawm cov sturgeon nkag mus rau hauv tiav nkauj tiav nraug.

Yog hais tias koj ua tau zoo, ces nrog lub qhov muag ntawm cov khoom yuav muaj tsis muaj teeb meem. Nyob ntawm seb cov kev taw qhia ntawm koj lub tuam txhab, tus nqi ntawm cov peev rov qab rau hauv no hom ntawm kev ua si yog 1-10 xyoo.