Ubude bomzimba womdlavuza we-Cuban oluhlaza okwesibhakabhaka bufika kumasentimitha ayi-10. Le mdlavuza ine-dimorphism eyenziwe kahle kwezocansi: abesilisa banezinzipho ezinkulu, kanye namabili ama-2 emilenze yokubhukuda eguqulwe yaba yi-gonopodia - isitho sangasese sangaphandle. Izinsikazi azinayo imilenze yokuqala yokubhukuda, noma zincane kakhulu ngosayizi kunabesilisa.
Amacala omdlavuza enza umsebenzi wokuhlasela nokuzivikela. Ukunyakaza kwenziwa kusetshenziswa amabhangqa ama-4 emilenze yangaphambili. Isisu sakhiwa ngamapuleti ayisihlanu, izingxenye zangaphakathi zazo zimbozwe ngezindawo eziphuma ngaphandle, ziqhubeka nokuhamba kwe-pendulum. I-caudal fin ihamba isuka kwipuleti lokugcina. Umsila wenziwa izingxenye ezinhlanu ezimbozwe nge-villi.
I-Blue Cuban Cancer (Procambarus cubensis).
Umbala we-crayfish eluhlaza okwesibhakabhaka incike emhlabathini, ekudleni, ezimweni zamanzi. Umbala ungahluka kusuka ku-brown-brown nge-tint ebomvu ibe luhlaza okwesibhakabhaka.
Indlela Yokuphila YaseCuba iBlue Crayfish
Uma ufuna ukudla, umdlavuza uhamba kancane phansi. I-Crayfish ichitha isikhathi sayo esiningi ngaphansi kwezimpande zezitshalo, emaqabungeni e-algae nangaphansi kwamahhashi. Ngesikhathi sokuncibilika, i-carapace yomdlavuza oluhlaza okwesibhakabhaka iqhume ngemuva.
Lapho umdlavuza wesaba, uvele ngokushesha, wenze ukunyakaza okungazelelwe. I-Blue crayfish ibhukuda, icindezela umsila ekugcineni. Ukunyakaza okufana negagasi le-fin kuvumela umdlavuza ukuthi ukhule ngejubane elifanele.
Umdlavuza ohlaza okwesibhakabhaka yi-arthropod omnivorous.
Ama-crayfish aluhlaza okwesibhakabhaka adla ngakho konke akuthola ezansi: amahlumela ezitshalo, i-algae, izinsalela zenhlanzi ezibolayo. Isikhathi sokuphila seCuba oluhlaza okwesibhakabhaka crayfish sifinyelela eminyakeni emi-3.
Ukuzalanisa okotshani okuluhlaza okwesibhakabhaka
Lapho izala, owesilisa uphendulela insikazi emhlane wakhe. Le nqubo ingathatha amaminithi ambalwa iye ehoreni. Insikazi ibekela amaqanda angama-30-200, inamathela emilenzeni yesisu. Ububanzi bamaqanda cishe ngamamilimitha amabili.
Umanyolo we-caviar uqala ngokuba mnyama, bese kuthi ngemuva kwamasonto ayi-2 i-caviar iba paler. Amachashazi amnyama ayabonakala emaqanda - amehlo ka-crayfish. Owesifazane angakwazi, ngaphandle kokuzalela, abekele amaqanda angenafundile. Le caviar inombala opinki okhanyayo.
Isikhathi sokufakwa kungamaviki angama-3-5, isikhathi senqubo sincike ekushiseni kwamanzi. Lapho ama-crustaceans hatch, ahlala elenga emilenzeni yomunye ezinye izinsuku ezingama-7-8, emva kwalokho ahlakazeka kancane kancane. Abantu abasanda kuzalwa ngobude abwedluli amamitha amathathu. Izingane zihamba ngokunqamula, ngokubukeka zifana nekhophi elincane labazali bazo. Amakhansa amancane akhula ngokushesha emavikini ama-3, asevele afinyelela amasentimitha ayi-1.5. Ezinyangeni eziyi-1.5, umbala wabo usuvele usondele nombala wabantu abadala.
Ukuthomba kumakhankethi aluhlaza okwesibhakabhaka kwenzeka ezinyangeni ezingama-8-10.
Ekuthunjweni, lezi ziklabishi ezingenasisekelo zigcina nje. Kwichibiba eliluhlaza okwesibhakabhaka laseCuba, kukhethwe i-aquarium enomthamo ongaphezu kwamalitha ayi-100. I-aquarium kumele imbozwe ngesembozo ngaphezulu, ngaphandle kwalokho i-blue crayfish izobalekela. Amanzi athululelwa amasentimitha angama-4-5 ngaphansi komphetho we-aquarium.
Njenge-substrate, isihlabathi, ama-chimu we-limestone noma imabula asetshenziswa. I-Blue crayfish ithanda ukulenga ezitshalweni, ngakho-ke i-terrarium ihlotshiswe nge-fern ye-Thai noma i-cryptocoryne Usteri. Ngaphezu kwezitshalo, kufanele kube khona ama-driftwood, amashubhu e-ceramic kanye nezimbiza ku-terrarium lapho kungacasha khona imfishi.
Izinga lokushisa lamanzi kufanele libe ngama-20- 26 degrees, pH 7-8 no-dH 10-20 ′. Ukuhlaziywa okuhlala njalo nokuhlunga kwamanzi kuyadingeka. I-Blue crayfish ayikwazi ukubekezelela okuqukethwe kwe-nitrite ephezulu. Ngokushintshwa kwamanzi njalo, amakhrayoni aqala ukuncibilika futhi ande. Bafunwa kokuqukethwe komoya-mpilo emanzini nobumsulwa bawo. Ehlobo, amahora okukhanya kwemini kufanele abe amahora ayi-10-12, kuthi ebusika - amahora angama-8-10.
Ukudla kwe-crayfish kufanele ngaso sonke isikhathi kube phansi e-aquarium.
Ama-crayfish aluhlaza awanconywa ukuba agcinwe ndawonye nezinhlobo zezinhlanzi ezingaphansi, ngoba isikhuphashe singazilimaza. Ngokuvamile, banokuthula okunokuthula, futhi uma benokudla okwanele, khona-ke abayidli inhlanzi.
Imifino yokuhlobisa yaseCuba ipha ukudla okwenhlanzi okwomile, i-gammarus, isiphazili, imichilo yegazi, iminyundu, isipinashi, izingcezu zenyama nemifino emisha.
Ukuzalela Blue Cuban Crayfish
Le makhansele angakwazi ukuzala unyaka wonke. I-pair of crayfish zigcinwa endaweni yokudonsela phansi enobunzima okungenani bamalitha angama-20 ngokushisa kwama-25 degrees. Phansi kufanele kube khona itshe legobolondo kanye nama-shards amaningana. Aeration njalo kuyenziwa. Njalo ezinsukwini ezi-4, ama-25% amanzi amasha athululelwa.
Insikazi ene-caviar idluliselwa ku-aquarium ehlukile. Ekushiseni kwama-26-27 degrees, isikhathi sokufakwa kwamaqanda singamaviki angama-3-4. E-aquarium enabantu abasha, kuyadingeka ukuthi ushintshe ama-25-30% amanzi nsuku zonke. Akufanele iqukethe i-chlorine.
Intsha iphiwa ukudla okwomile kwefry, cyclops, daphnia, artemia, ishubhu eliqokiwe kanye nama-bloodworms, gammarus kanye ne-putas fillet. Abantu abasha batshalwe ethangini elihlukile kunina, elinomthamo wamalitha angama-60 kumuntu ngamunye abangama-50. Umdlavuza osemncane ukhula ngokushesha, ukuncibilika kwenzeka kanye ngeviki, futhi kufinyelelwa isigamu sonyaka - kanye ngenyanga.
Izifo zokuhlobisa imfishane eluhlaza okwesibhakabhaka
Imikhakha yaseCuba icatshangelwe inhlupho yasendle, ukuthuthukiswa kwayo okucasulayo ukhunta i-Aphanomyces astaci. Alikho ikhambi lokugula kulokhu kugula. Ngaphezu kwalokho, i-crayfish eluhlaza okwesibhakabhaka iguliswa yisifo sobumba, esithinta imilenze nezicubu zesisu. Lokhu kudalwa kwengqondo kuyabulala. Ukutheleleka kwenzeka ngesikhathi sokuxhumana nesilwane esigulayo.
Amakhansa ahlala ehlushwa yizifo ezivuthayo, lapho amabala amnyama noma ansundu akha khona ku-carapace, amaqabunga e-oki kanye ne-alder kumele afakwe kulezi zindawo.
Abamele izinhlobo zezinhlobo zomzimba babonakala ngombala ocebile womzimba oluhlaza okwesibhakabhaka, ngakhoke busetshenziswa njengesilwane esihlobisa i-aquarium.
Amakhansele angathinteka yizinambuzane, izinkulumo zegatsha leBranchiobdella sp., Ezihlala zihlala embozweni zazo, kepha ikakhulu zigxile kakhulu kumagilebhisi. Ukuze aqede i-crayfish yezimuncagazi, ahlela amabhathi kasawoti.
Kuyafaneleka ukubheka ukuthi umhlobiso ohlaza okwesibhakabhaka uyafa ngokuqukethwe okuphezulu kwe-nitrate emanzini.
Uma uthola iphutha, sicela ukhethe ucezu lombhalo bese ucindezela I-Ctrl + Faka.
Blue Crab - I-Arthropod evela eCuba
UCuba ohlaza okwesibhakabhaka, obizwa nangokuthi umfudlana omncane omfushane womlanjana, imfishi eluhlaza okwesibhakabhaka yaseCuba kanye nomqhele wokuhlobisa waseCuba, uhlala eCuba. Lezi ziklabishi zihlala emifuleni engajulile enamanzi acwebile afudumele.
Incazelo yeBlue Crayfish
Ubude bomzimba womdlavuza we-Cuban oluhlaza okwesibhakabhaka bufika kumasentimitha ayi-10. Lemikhakha ine-dimorphism ekhuliswe kahle kwezocansi: abesilisa banezinzipho ezinkulu, kanti ngamabili ama-2 emilenze yokubhukuda aguqulwe aba yi-gonopodia - isitho sangasese sangaphandle. Izinsikazi azinayo imilenze yokuqala yokubhukuda, noma zincane kakhulu ngosayizi kunabesilisa.
Amacala omdlavuza enza umsebenzi wokuhlasela nokuzivikela. Ukunyakaza kwenziwa kusetshenziswa amabhangqa ama-4 emilenze yangaphambili. Isisu sakhiwa ngamapuleti ayisihlanu, izingxenye zangaphakathi zazo zimbozwe ngezindawo eziphuma ngaphandle, ziqhubeka nokuhamba kwe-pendulum. I-caudal fin ihamba isuka kwipuleti lokugcina. Umsila wenziwa izingxenye ezinhlanu ezimbozwe nge-villi.
Umbala we-crayfish eluhlaza okwesibhakabhaka incike emhlabathini, ekudleni, ezimweni zamanzi. Umbala ungahluka kusuka ku-brown-brown nge-tint ebomvu ibe luhlaza okwesibhakabhaka.
Indlela Yokuphila YaseCuba iBlue Crayfish
Uma ufuna ukudla, umdlavuza uhamba kancane phansi. I-Crayfish ichitha isikhathi sayo esiningi ngaphansi kwezimpande zezitshalo, emaqabungeni e-algae nangaphansi kwamahhashi. Ngesikhathi sokuncibilika, i-carapace yomdlavuza oluhlaza okwesibhakabhaka iqhume ngemuva.
Lapho umdlavuza wesaba, uvele ngokushesha, wenze ukunyakaza okungazelelwe. I-Blue crayfish ibhukuda, icindezela umsila ekugcineni. Ukunyakaza okufana negagasi le-fin kuvumela umdlavuza ukuthi ukhule ngejubane elifanele.
Blue crayfish idla konke abakuthola phansi: amahlumela ezitshalo, i-algae, izinsalela zenhlanzi ezibolayo. Isikhathi sokuphila seCuba oluhlaza okwesibhakabhaka crayfish sifinyelela eminyakeni emi-3.
Ukuzalanisa okotshani okuluhlaza okwesibhakabhaka
Lapho izala, owesilisa uphendulela insikazi emhlane wakhe. Le nqubo ingathatha amaminithi ambalwa iye ehoreni. Insikazi ibekela amaqanda angama-30-200, inamathela emilenzeni yesisu. Ububanzi bamaqanda cishe ngamamilimitha amabili.
Umanyolo we-caviar uqala ngokuba mnyama, bese kuthi ngemuva kwamasonto ayi-2 i-caviar iba paler. Amachashazi amnyama ayabonakala emaqanda - amehlo ka-crayfish. Owesifazane angakwazi, ngaphandle kokuzalela, abekele amaqanda angenalusizo. Le caviar inombala opinki okhanyayo.
Isikhathi sokufakwa kungamaviki angama-3-5, isikhathi senqubo sincike ekushiseni kwamanzi. Lapho ama-crustaceans hatch, ahlala elenga emilenzeni yomunye ezinye izinsuku ezingama-7-8, emva kwalokho ahlakazeka kancane kancane. Abantu abasanda kuzalwa ngobude abwedluli amamitha amathathu. Izingane zihamba ngokunqamula, ngokubukeka zifana nekhophi elincane labazali bazo. Amakhansa amancane akhula ngokushesha emavikini ama-3, asevele afinyelela amasentimitha ayi-1.5. Ezinyangeni eziyi-1.5, umbala wabo usuvele usondele nombala wabantu abadala.
Kuyafaneleka ukubheka ukuthi umhlobiso ohlaza okwesibhakabhaka uyafa ngokuqukethwe okuphezulu kwe-nitrate emanzini.