UMary Allen
Ingabe ama-sturgeon kufanele agcinwe echibini lasengadini nakancane futhi ngaphansi kwaziphi izimo lapho ukugcinwa kungachazwa ngokuthi “okufaneleka kwezinhlobo zezilwane”? Sifuna ukubhekana nale mibuzo neminye imibuzo kulokhu kufakwa.
Ulwazi mayelana Sturgeon
I-sturgeon iyinhlanzi enamathambo, nakuba uhlaka lwamathambo ayo lune-ossified nje ingxenye. Ukuma komzimba nokunyakaza kokubhukuda kukwenza kubonakale kucishe kube yi-primary, kanye namapuleti aqinile amathambo emhlane wakhe, futhi kunenkolelo yokuthi ama-sturgeon abekhona cishe iminyaka eyizigidi ezingama-250. Sekukonke, ama-sturgeon awayona ingozi, izinhlanzi ezinokuthula neziqinile ezithanda amanzi apholile, anomoya-mpilo. Ingaphandle elikhulu liphazamisa izindawo eziningi zokuhlala, kusukela emifuleni kuya olwandle - ungazithola ezindaweni eziningi.
Okufanayo bonke yikhono labo lokubhukuda: Bangababhukudi abaphikelela kakhulu futhi bahlala behamba, yingakho bethatha indawo enkulu. Emini ngokuvamile ziphansi, kodwa ikakhulukazi ebusuku ngezinye izikhathi zichezukela phezulu.
Ezinye izinhlanzi aziyona ingozi kuma-sturgeon, kunalokho kuyinkinga kuzo engase ilahlekelwe ukuphila kwazo: ama-sturgeon awakwazi ukubhukuda ahlehle. Yingakho ama-algae entambo, izitsha ezinamakhona, izimpande, namatshe amakhulu kuyinkinga yangempela kulezi zinhlanzi. Ngokuvamile azikwazi ukuphuma kulezi “ziphetho ezifile” futhi ziphefumule ngenxa yokuthi awekho amanzi ahlanzekile anele agelezayo emathanjeni azo.
Kunezinhlobo ezingaba ngu-30 zama-sturgeon emhlabeni wonke ezingahlukani nje ngokubukeka kwazo kodwa nangosayizi womzimba wazo: Izinhlobo ezinkulu kakhulu, ngokwesibonelo, zingakhula zifike ku-5 m ubude futhi zibe nesisindo esingamathani. Umbono oyiphutha owandile lapha owokuthi zonke izinhlobo zezilwane zingagcinwa echibini ngoba ubukhulu bazo buvumelana nobukhulu bechibi. I-sturgeon enkulu enjalo ngeke ikhawule ukukhula kwayo ku-70 cm ngenxa nje yokuthi ichibi alilikhulu ngokwanele.
I-sturgeon elungele ichibi lakho kungenzeka ukuthi iyi-sterlet yangempela, ubude bayo bufinyelela ku-100cm. Ingaphila iminyaka engaba ngu-20, iyinhlanzi yamanzi ahlanzekile, futhi itholakala ikakhulukazi emifuleni nasemachibini anemisinga ephezulu. Inekhala elizacile, ende, eligobile kancane kanti uhlangothi lwayo olungaphezulu linombala onsundu ngokumnyama ukuya kompunga, ngaphansi kubomvu-mhlophe ukuya kophuzi ngombala. Amapuleti amathambo emhlane wakhe amhlophe angcolile.
Ichibi le-Real Sterlet
Njengoba sekushiwo, i-sterlet incane kakhulu emndenini we-sturgeon futhi, ngakho-ke, ifaneleka kakhulu ukugcina amachibi. Kodwa-ke, kufanele ukhumbule njalo ukuthi ukuhlala echibini akufiki endaweni yemvelo. Awukwazi ukuphinda udale kabusha umfula ngokweqiniso. Uma unqume ukwakha ichibi le-sturgeon elingcono kakhulu, into ebaluleke kakhulu ukuba nezindawo zokubhukuda zamahhala ezanele. Kufanele ugweme izitshalo zasemanzini namatshe amakhulu phansi (ngenxa yenkinga ye-backwashing) futhi ichibi kufanele libe nomumo oyindilinga noma oval. Echibini elinjalo, ama-sturgeon anganyakazisa izindlela zawo ngaphandle kokuphazanyiswa yizithiyo. Elinye iphuzu elibalulekile izindonga zechibi ezitshekile. Lapha zibhukuda ngokudayayo eduze kwezindonga futhi ngaleyo ndlela zifike phezu kwamanzi.
Isistimu yokuhlunga eqinile nayo ibalulekile, njengoba ama-sturgeon azizwa ekhululekile ngempela emanzini ahlanzekile, anomoya-mpilo; injabulo yokubhukuda ingasekelwa ngepompo yokugeleza. Ngokuvamile, ichibi kufanele okungenani libe ngu-1.5 m ukujula, kodwa ukujula kuhlale kungcono: Okungenani amalitha angu-20,000 amanzi kufanele acebile emoyeni. Uma i-sturgeon yanelisekile futhi izizwa ikhululekile endaweni yayo, ingaba thambisa.
Ukondla I-Sturgeon
Elinye iphuzu elibalulekile lapha ukudla, njengoba i-sturgeon inezici ezithile lapho. Ngokuvamile, ama-sturgeon adla izibungu zezinambuzane, izibungu, nama-mollusc, azishanela emlonyeni wawo ngama-barbels azo. Ngakho-ke bayakwazi ukudla kuphela emhlabathini. Abakwazi ukwenza lutho ngokuphakelayo okuntantayo.
Ngenxa yobukhulu bazo, ukudla okungokwemvelo echibini akwanele; Okuphakelayo okukhethekile kufanele kudliwe. Into ekhethekile lapha ukuthi ishona phansi ngokushesha futhi ayidluli okuqukethwe kwe-carbohydrate engu-14%. Okuqukethwe kwamaprotheni namafutha kuphezulu kakhulu. Ukondla kufanele kwenzeke kusihlwa, njengoba ama-sturgeon asebenza kakhulu lapha. Izilwane ezincane zidinga ngempela ukuphakelwa izikhathi eziningana ngosuku.
Kufanele futhi uqinisekise ukuthi ukudla akuhlali emanzini isikhathi esingaphezu kwehora, ngaphandle kwalokho, kuzoshaywa indiva ngokuphelele. Ngakho-ke indawo ethile yokudla elawulekayo kufanele isetshenziswe, lapho okuphakelayo kungahlakazeki kakhulu futhi ngaleyo ndlela “kunganakwa”: Kusebenza kahle kakhulu endaweni eyisicaba. Umhlahlandlela wenani lokudla ukuthi cishe u-1% wesisindo somzimba kufanele udliwe ngosuku.
Icala elikhethekile livela lapho ama-sturgeon ehlotshaniswa no-Koi. Lezi zinhlanzi zaziwa njengama-omnivores futhi uma ungaqaphile, ngeke kusale ukudla kwe-sturgeon empofu ngaphansi. Lokhu kubi nakukoi ngoba ukudla okunamafutha amaningi kuyawalimaza ngokuhamba kwesikhathi. Ubungazuza kakhulu. Kungakhathaliseki ukuthi kufanele udle ebusuku noma (okwenziwa ngabanikazi bamachibi abaningi) uphakela ukudla ngosizo lwepayipi ngqo phansi echibini, lapho ama-sturgeon angakudla khona ngokushesha.
Kuvala uLizwi
Ekugcineni, kufanele uzinqumele ukuthi yisiphi isikhundla ofuna ukusithatha odabeni lwe-sturgeon. Kodwa-ke, uma unquma ngenhlanzi enjalo, kufanele futhi udale izakhiwo ezidingekayo zamachibi ukuze i-sturgeon ikhululeke. Futhi lokho kufaka ngaphezu kwakho konke isikhala, isikhala, isikhala!