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Duk game da sterlet da kamun kifi don shi
An jera nau'in sturgeon a cikin Jajayen Littattafai (IUCN-96 Red List, Shafi 2 na CITES) kuma yana cikin rukuni na farko na rarity - daidaikun jama'a na nau'ikan yaduwa waɗanda ke cikin haɗari.
Lura cewa ana iya kama kifin sturgeon a cikin ruwan da aka biya kawai.
Ƙananan wakilin dangin sturgeon. Duk da cewa akwai sanannun lokuta na kama samfurori na kimanin kilogiram 16, a tsakanin sauran wakilan jinsin sturgeon, sterlet za a iya la'akari da ƙananan kifi (yawanci samfurori na 1-2 kg suna zuwa, wani lokacin har zuwa 6 kg). Tsawon kifin ya kai mita 1,25. Ya bambanta da sauran nau'ikan sturgeon na Rasha da babban adadin "kwari" na gefe. Wasu masana kimiyya suna jayayya cewa akwai bambance-bambancen jinsi a cikin zaɓin abinci a cikin sterlet. Maza maza suna manne da ciyarwa a kan invertebrates a cikin sauri a cikin ginshiƙi na ruwa, kuma mata suna da halin cin abinci kusa da ƙasa a sassa na tafki. Kasancewar kasa kuma siffa ce ta manyan mutane na jinsin biyu.
Hanyoyin kamun kifi na sterlet
Kamun kifi na sterlet yana ta hanyoyi da yawa kama da kama wasu sturgeons, gyara don girman. Sau da yawa yakan zama abin kamawa lokacin kamun kifi. Ƙananan matsayi na bakin yana kwatanta hanyar ciyar da su. An haramta kamun kifi na nishaɗi a yawancin ruwayen na halitta ko kuma an tsara su sosai. Abu ne na kiwo a cikin tafkunan al'adu. Yana da kyau a tattauna tare da mai tafki a gaba game da yanayin da ake yin kamun kifi. Lokacin kamun kifi bisa tsarin kama-da-saki, da alama za ku yi amfani da ƙugiya ba tare da barbs ba. Kamun kifi na sterlet yana yiwuwa tare da taimakon ƙasa da kayan iyo, in dai ana samun koto a ƙasan tafki. Ƙaƙwalwar ƙasa na iya zama mai sauƙi, yawanci ta amfani da sandunan juyi. A cikin koguna, sterlet yana riƙe da halin yanzu. Mazaunan da ke zaune a bakin koguna masu arziki a cikin sterlet sun shahara da "rubber bands". A cikin hunturu, kifi ba ya aiki, kuma kama shi ba zato ba tsammani.
Kama sterlet akan kayan aikin ƙasa
Kafin ka je tafki inda aka samu sturgeon, duba ka'idojin kamun kifi na wannan kifi. Kamun kifi a gonakin kifi ana sarrafa shi ta mai shi. A mafi yawan lokuta, an yarda da amfani da kowane sandunan kamun kifi da kayan ciye-ciye. Kafin kamun kifi, duba girman yiwuwar kofuna da shawarwarin koto domin sanin ƙarfin layin da ake buƙata da girman ƙugiya. Na'ura mai mahimmanci lokacin kama sturgeon yakamata ya zama babban gidan saukowa. Feeder da kamun kifi yana da matukar dacewa ga yawancin, har ma da ƙwararrun ƙwararru. Suna ƙyale masunta su kasance da hannu sosai a kan kandami, kuma godiya ga yiwuwar ciyar da tabo, suna da sauri "tattara" kifi a wurin da aka ba su. Feeder da picker, azaman nau'ikan kayan aiki daban-daban, a halin yanzu sun bambanta kawai a tsawon sandar. Tushen shine kasancewar kwantena-sinker (mai ciyarwa) da tukwici masu canzawa akan sanda. Filayen suna canzawa dangane da yanayin kamun kifi da nauyin mai ciyarwa da aka yi amfani da su. Tsutsotsi iri-iri, naman harsashi da sauransu na iya zama makamin kamun kifi.
Wannan hanyar kamun kifi yana samuwa ga kowa da kowa. Magance baya buƙatar ƙarin kayan haɗi da kayan aiki na musamman. Kuna iya kamun kifi a kusan kowane jikin ruwa. Kula da zabi na feeders a cikin siffar da girman, kazalika da gaurayawan koto. Wannan ya faru ne saboda yanayin tafki (kogi, tafki, da dai sauransu) da abubuwan da ake so na abinci na kifin gida.
Kama sterlet akan kayan iyo
Rigs na iyo don kamun kifi mai sauƙi ne. Zai fi kyau a yi amfani da sanduna tare da "gudu na gudu". Tare da taimakon reel, yana da sauƙin ɗaukar manyan samfurori. Kayan aiki da layin kamun kifi na iya kasancewa tare da ƙarin kaddarorin ƙarfi. Ya kamata a gyara maƙarƙashiyar ta yadda bututun ya kasance a ƙasa. Gabaɗayan dabarun kamun kifi suna kama da kamun kifi da sandunan ƙasa. Idan babu cizo na dogon lokaci, kuna buƙatar canza wurin kamun kifi ko canza bututun ƙarfe. Ya kamata ku tambayi ƙwararrun masunta ko masu shirya kamun kifi game da abinci mai gina jiki na kifin gida.
Batsa
Sterlet yana amsawa da sauri zuwa nau'ikan dabbobi daban-daban: tsutsotsi, tsutsotsi da sauran tsutsotsi masu invertebrate. Ɗayan babban zaɓin abinci shine naman kifi. Kifi, kamar sauran sturgeons, suna amsawa da kyau ga koto masu ƙamshi.
Wuraren kamun kifi da wurin zama
An rarraba kifi a ko'ina. Yankin rarraba yana kama kwalayen Tekun Black, Azov da Caspian, Tekun Arctic. A peculiarity na sterlet shi ne cewa ya fi son gudana tafki. Duk da fadinsa, ana daukarsa a matsayin kifin da ba kasafai ake samun kariya ba a yawancin yankuna. Mafarauta ne ke cin galaba a kan mafarauta, yayin da ba ta lamunta da gurɓatar da tafki da ruwan sha daga kamfanoni da noma. Hakanan, yawan sterlet ɗin suna cikin mummunan yanayi akan koguna inda akwai adadi mai yawa na tsarin injin ruwa ko yanayin mazaunin ya canza. Ana sarrafa kamun kifi ta hanyar ba da lasisi. Gogaggen masunta sun yi imanin cewa sterlet mai aiki ya fi son zama a wurare tare da matsakaicin halin yanzu da ƙasa mai kyau. A lokacin zhora, kifin yana zuwa kusa da bakin teku.
Ciyarwa
Jima'i balagagge a cikin sterlet yana faruwa a cikin lokacin daga shekaru 4-8. Maza sun girma a baya. Spawns a watan Mayu-farkon Yuni, dangane da yankin. Haɗawa yana wucewa a ƙasan dutse-dutse na saman saman kogunan. Haihuwa yana da yawa. Ana kiwo kifin kuma ana kiwon kifin a cikin hatchery kifin. Mutane sun bred da dama hybrids da rage tsawon maturation na al'adu siffofin.