Fasali da mazaunin azurfa irin kifi
A kan ƙasashen CIS, zaku iya ganin nau'ikan su uku azurfa irin kifi: fari, iri daban-daban kuma matasan. Wakilan jinsunan sun sami sunayensu, gabaɗaya, saboda bayyanar su.
Don haka, fari katako na azurfa a cikin hoton kuma a rayuwa kusan inuwa mai haske ce. Babban fasalin wannan kifin shine kebantaccen ikon tsabtace gurɓatattun ruwa daga ragowar ƙwayoyin halitta, yawan ciyayi, da sauransu.
Shi ya sa azurfa irin kifi An ƙaddamar da su a cikin tafkunan ƙazantattu, inda aka hana kamun kifi na ɗan lokaci - kifin yana buƙatar lokaci don share tafkin. Wannan nau'in yana samun nauyi sosai a hankali.
Hoton hoton katako ne na azurfa
Karfin azurfa yana da inuwa mafi duhu, kuma, babban fasalin shi shine saurin haɓaka. Wakilan jinsunan suna cin zooplankton da phytoplankton kuma daidai yake saboda yawan abincin da suke cinye yasa suke girma cikin sauri.
A cikin hoton akwai irin keɓaɓɓen karas na azurfa
Hadadden irin kifin azurfa, kamar yadda sunan ya nuna, hadadden jinsin jinsuna biyu ne da aka bayyana a sama. Haɗin yana da launi mai haske na kakannin fari kuma yana da saurin saurin saurin bambance bambancen. Duk waɗannan nau'ikan mutane suna cinsu, don haka zaku iya siyan kitsen azurfa a kowane shagon kifi. A tsawon shekarun amfani da kifi ta wannan hanyar, girke-girke daban-daban don shirya irin kifin azurfa sun bayyana.
An fara da saba azurfa irin kifi kifi miya, yana ƙare da kyawawan hanyoyin dafa kowane sassan jikinshi, don haka, shugaban katako na azurfa dauke abinci. Manyan wakilai daga jinsin zasu iya kaiwa mita tsawon kuma yayi kimanin kilogram 50.
Hoton hoton katako ne na azurfa
Da farko, ana samun katako na azurfa ne kawai a cikin China, kodayake, saboda abubuwan amfaninsu, ana aiwatar da aiki akan haɗuwarsu da sake tsugunar dasu a Rasha. A halin yanzu, katako na azurfa na iya rayuwa a kusan kowane kogi, tafki, kandami, babban abin shine gudanwar ba ta da sauri, kuma ruwan ba shi da sanyi sosai.
A kaka irin kifin azurfa zo kusa da gaɓar teku kuma kwata cikin zurfin zurfin ƙarƙashin rana. Bayan haka, tare da kwararar ruwan zafi, suna matsawa zuwa wurin. Kari akan haka, katako na azurfa na iya kasancewa kusa da tsarin fasaha na mutanen da suke zafin ruwan ta hanyar wucin gadi. Misali, kusa da shuke-shuke masu ba da ruwa mai dumi a jikin ruwa.
Yanayi da salon silsi na azurfa
Kayan kifin Azurfa shine kifin da ke rayuwa musamman a makarantu. Suna jin mafi kyau a cikin ruwan dumi tare da ɗan ƙaramin yanayi. Idan an cika waɗannan sharuɗɗan, irin kifin azurfa yana ciyarwa yana girma cikin sauri. Da farkon yanayin sanyi, kifayen na iya ƙin cin abinci gaba ɗaya, suna rayuwa akan ƙwayoyin mai. An kama kifi a kan sandunan kamun kifi na ƙasa da juyawa.
Da zuwan dumi a farkon zuwa tsakiyar bazara, irin kifin azurfa yana motsawa ko'ina cikin tafkin. Sannan, idan lokacin saurin ciyayi ya zo, yakan zauna wuri daya, inda yake ciyarwa har zuwa lokacin sanyi. Garken katako na azurfa sun fara neman abinci da asuba kuma suna wannan kasuwancin mai ban sha'awa har zuwa duhu.
Da dare, kifin ya huta. Kama shi a cikin duhu ba shi da fa'ida - a wannan lokacin katako na azurfa yana wucewa kuma, galibi ba haka ba, ya riga ya cika. Wannan babban kifi ne mai karfi, ma'ana, don kama irin kifin azurfa, kuna buƙatar zaɓar kayan aikin da zasu iya jure nauyin da ya dace.
Abincin abinci irin kifi na azurfa
Matasa matasa suna cin abinci ne kawai akan zooplankton; yayin da suka balaga, kifin ya canza zuwa sannu a hankali phytoplankton. A lokaci guda, yawancin katako na azurfa sun fi son abinci mai gauraya, yawancin abinci ya dogara da abin da ke kan hanya a yau. Baya ga shekaru, abinci kuma ya bambanta da nau'ikan kifayen azurfa.
Don haka, katako na azurfa na kowane girman da shekaru a mafi yawan lokuta sun fi son abincin tsire. A lokaci guda, irin kifin azurfa zai ba da fifiko ga phytoplankton. Lokacin kamun kifi, ya zama dole ayi la'akari da kebantattun nau'ikan wadannan nau'ikan kuma zabi katuwar kwatankwacin irin mutumin da zai kama a wannan lokacin. Zaɓaɓɓen zaɓi masunta shine kama kifi kifi kifi akan technoplankton.
Sake haifuwa da tsawon rai na kifin zinare
Kifin azurfa shine kifi mai yawan haihuwa. A lokacin haihuwa guda, mace na iya samar da kwai da yawa dubu dari. Tabbas, wannan ba yana nufin cewa a cikin watanni kaɗan sabbin mutane dubu ɗari da yawa zasu bayyana a cikin tafki ba - da yawa azurfa irin kifi caviar Masu cin nama za su cinye, duk da haka, tare da ƙwai da yawa, da alama zuriya kowane ɗayan zai zama da yawa.
Yanayi masu kyau don farkon spawn sune yanayin zafin ruwa mai dacewa - kimanin digiri 25. Bugu da kari, ana yin mason a kan ruwan da ke tashi saboda kowane dalili, galibi bayan ruwan sama mai karfi. Don haka, lokacin da ruwan ya kasance gajimare kuma ya ƙunshi yawancin kayan abinci, masonry irin kifi na azurfa.
Wannan bayyanar kulawa shine kawai sa hannun iyaye a cikin makomar kwan da ake ciki da kuma soya irin kifin azurfa nan gaba. Ruwan turbid ya kamata ya kare ƙwai daga abokan gaba, yawancin abinci na tsire-tsire zai zama tushen abinci don soya a karon farko. Takin da aka ba shi yaɗu a wurare daban-daban, ya danganta da na yanzu da suke faɗuwa.
Bayan 'yan kwanaki, kwan ya zama tsutsa cikin tsayin milimita 5-6, wanda ya riga ya samar da bakin, gill, kuma kuma yana da ikon motsa kansa cikin ruwa. Yana da shekara ɗaya da sati ɗaya, tsutsa ta fahimci cewa tana buƙatar ciyarwa da ƙwazo don irin wannan saurin ci gaban.
Ta tafi kusa da gabar teku kuma tana neman wuri mai dumi ba tare da halin yanzu ba inda za'a sami wadataccen abinci. A can, ƙaramin azurfar ƙaramar azurfa yana ɗan ɗan lokaci, yana ciyarwa kuma yana samun nauyi a hankali. A ƙarshen bazara, an ƙoshi azurfa irin kifi soya ba ya zama kamar ƙwai milimita, a cikin sifar abin da ya kasance kawai 'yan watannin da suka gabata.
A cikin hoton, soyayyen irin kifi na azurfa
Wannan kusan kusan kafet ne mai cikakken azurfa, ƙarami kaɗan ne kawai ya zuwa yanzu. Yana cin abinci sosai don tsira da sanyin hunturu na farko. Hakanan manya sukeyi wanda basuda wata kwatankwacin iyaye. Bayan sun tashi daga haihuwa, sai su tafi neman abinci.
A lokacin sanyi, kimanin kashi 30% na jimlar girman babban mutum mai ƙiba ne. Ana samunsa a cikin nama da gabobin ciki - wannan ita ce kadai hanya ta tsira da hunturu, wacce katifun azurfa suke kashewa a cikin yanayi na rashin motsi. A karkashin yanayi mai kyau, irin kifin zinare na iya rayuwa tsawon shekaru 20.
