I-Ratan - inhlanzi engashiyi ithuba lokuncintisana

Emashumini ambalwa eminyaka edlule kwakungenzeka ukuhlangabezana nezinhlanzi zaseRatan eRussia kuphela eMpumalanga Ekude. Namuhla ama-anglers avela kuzo zonke izingxenye zaseRussia ahlalisa i-alamu, ngoba ezinqolobaneni zabo zasendulo zavela ku-ratan - inhlanzi edla yonke indawo. Lezi zakhamizi ezingenakuzithoba zokuma amanzi ahlanzekile zingavamile, zibekezelele ngokuphelele zonke izintandokazi zesimo sezulu saseRussia futhi zondla i-caviar yezinye izakhamuzi zamachibi namachibi.

Izinhlanzi zikaRathan: incazelo

Abamele abakhulu kunazo zonke ubude obungama-30 cm, ubukhulu obuncane bomuntu omdala buyi-14 cm. I-Ratan yangaphandle - inhlanzi ayibonakali. Unomumo ohlangene ofana nesibhamu. Umbala uvame ukuhluka, ngesikhathi sonyaka wokuvuthwa , umbala wezikali uba mnyama omnyama, kuzo zonke izikhathi ezimpunga, amathoni amnyama anesibhakabhaka anqoba.

Umzimba ukhululekile, unenhloko enkulu. Ngemuva, ungabona amabala kanye namaqembu aphelele wesimo esingavamile. Inhlanzi yeRatan ihlukile, isithombe esinikezwa ngezansi, ngomlomo wayo omkhulu. Kwakungenxa yalokhu umlomo omkhulu ngokungajwayelekile ukuthi abamele uPerccottus glenii banikezwe igama elithi Ratan. Kuningi amazinyo amancane, kodwa abukhali asiza ukubhekana nesilwane.

Izimo zokuhlala

Izwe lalezi zilwane zasendulo laliyisisekelo samanzi ase-Amur. Ekhulwini le-19, inhlanzi yaqala ukulethwa phakathi kweRussia, ekhishwe emifuleni yaseSt. Petersburg nakwamanye amadolobha. Futhi ngenxa yobungqabavu obunamandla, uRatan wenza kanjalo ukuthi waqala ukukhipha ezinye izinhlanzi ezivela emagodini. Lokhu kungenxa yokuthi amaqanda ezinhlobonhlobo eziwusizo zezinhlanzi, gazinga, ama- tadpoles, izibungu, izinambuzane, ama-molluscs waba yisisekelo sokudla. Ukuba khona kwale nhlanzi enesisindo echibini kubonisa ukuthi ezinye izinhlobo zezilwane zizobhujiswa. Ukulimala kusetshenziswe ku-ichthyofauna yonke.

Ukuhlukumeza i-Ratan kunzima kakhulu, ngoba le nokhula ayihloniphi kakhulu indawo. Ukuze usinde isomiso, i-ratan ingcwatshwe ezindaweni ezidaka, futhi lapho kuqala imvula kuqhubeka nokuphila kwayo njengokungathi akukho okwenzekile. Emagodini aqhwazayo, umhlabeleli ubusika ngokuphelele eqhweni. Emanzini okuqukethwe okuncane, lezi zinhlanzi ziqhuba ukudla, zidla izihlobo zazo ezincane.

Umbono ososayensi kanye nokubikezela kwezomnotho

Ngenxa yokuthi i-ratan - inhlanzi ebulala ichthyofauna, ukungena kwayo emifuleni emikhulu namachibi kubhekwa njengososayensi njengokungcola. Abantu abahlale bebeka icala ngalokhu. Amaqanda avame ukuthwala izinyoni ezifudukayo. Amaqanda amaningana akwanele ukuthi eminyakeni engama-4-5 zonke izilwane ezisemanzini azikho. I-pike-fish, i-perch ne-catfish ingabambisana nenhloko yezinhlanzi. Noma kunjalo, umonakalo wonyaka kusukela ekunciphiseni kwenani lezinhlanzi eziyigugu kukhula. Ochwepheshe abaphakamisi ukutshala isidlo emanzini okufakelwa, izinhlanzi ezi-ratan zizoqeda ngokushesha ukuncintisana.

Kodwa ngamachibi amancane okuhlobisa akukho mhlobo ongcono. Ama-anglers amaningi athi uRatan uhlabelela kahle, ikakhulu ebusika. Ukuhlambalaza, ungasebenzisa noma yikuphi ukuhlamba: izimpethu, izinkumbi, inyama. Ukunambitheka kwenhlanzi akukubi, kodwa ikhanda lihlala emzimbeni wonke, kanti isisu sivame ukugqoka ama-shellfish namaqobelane omgogodla. Ngenxa yalesi sizathu, intshisekelo enhlanzi incane, futhi iningi labantu liyabona ukuthi ukulimala okuvela ku-ratan kunkulu kakhulu kunezinzuzo.