Isilivere i-Arowana (Latin Osteoglossum bicirrhosum) yethulwa okokuqala kuma-aquarist ngo-1912. Le nhlanzi, kanye nenhlanzi yovemvane, kusinikeza amazwibela endulo yakudala, i-arowana arowana ingenye yezinhlanzi ezimbalwa ezibukeka zifana nezikhathi zeJurassic.
Le ngenye yezinhlanzi ezinkulu ezithakazelisa kakhulu futhi ezingavamile, futhi kubhekwa futhi njengophawu lwe-feng shui yamanje.
Ukuphila emvelweni
Isilivere i-Arowana (Osteoglossum bicirrhosum) yachazwa okokuqala nguCuvier ngo-1829. Igama layo lesayensi lisuselwa egameni lesiGrikhi "Osteoglossum" elisho ulimi lwethambo kanye ne- "bicirrhosum" - izimpondo ezimbili. Ithole igama layo elijwayelekile ngombala wayo womzimba - isiliva.
Uhlala eSouth America. Njengomthetho, emifuleni emikhulu nemifula yabo - i-Amazonka, iRupununi, i-Oyapok. Kodwa-ke, azithandi ukubhukuda zenyuse umfula, zikhetha amachibi athule kakhulu neminsalo.
Eminyakeni yamuva nje, nabo sebezinze eCalifornia naseNevada. Lokhu kwenzeke ngenxa yama-aquarists anganaki adedela izinhlanzi ezidla ezinye emizimbeni yamanzi yasendaweni.
Ngokwemvelo, inhlanzi idla noma yini engayigwinya. Udla kakhulu izinhlanzi, kepha futhi udla nezinambuzane ezinkulu. Ukudla kwezitshalo kuyingxenye encane yokudla kwakhe.
Njengoba sekushiwo, uma kungenzeka, izinhlanzi ziyagxumela emanzini bese zibamba izinyoni lapho zibaleka noma zihleli emagatsheni. Ngaphezu kwalokho, kwatholakala izinkawu, izimfudu, namagundane esiswini senhlanzi ebanjiwe.
I-Arowana iyingxenye ebaluleke kakhulu empilweni yasendaweni. Ufunwa kakhulu phakathi kwabo futhi uletha imali enhle kubadobi.
Inyama inamafutha amancane kakhulu futhi iyanambitheka. Kuvame ukuthengiswa kubathengisi bezinhlanzi base-aquarium bendawo.
Ngaphezu kwalokho, kubhekwa njengenye yezinhlanzi ezibiza kakhulu. Iplatinum arowana eyivelakancane yanikezwa ama- $ 80,000, kepha umnikazi wenqaba ukuyidayisa, ethi ibiza kakhulu.
Incazelo
ISilver Arowana iyinhlanzi enkulu kakhulu, efinyelela kumasentimitha ayi-120. Inomzimba omude, ofana nenyoka futhi idinga i-aquarium okungenani izikhathi eziphindwe kane ukuyigcina.
Kodwa-ke, izinhlanzi zalolu sayizi azivamile ukutholakala ku-aquarium, imvamisa kuba ubude be-60-80 cm. Umbala ojwayelekile wesiliva, ekugcineni uba opalescent, anombala oluhlaza okwesibhakabhaka, obomvu noma oluhlaza.
Ngesikhathi esifanayo, angaphila kuze kube yiminyaka engama-20, ngisho nasekuthunjweni.
Umlomo ka-Arowana uvuleka izingxenye ezintathu futhi ungagwinya izinhlanzi ezinkulu kakhulu. Unolimi lwamathambo, futhi amathambo angaphakathi emlonyeni wakhe ambozwe ngamazinyo. Emakhoneni alo mlomo kunentshebe ebucayi esebenzela ukuthola inyamazane.
Ngosizo lwazo, izinhlanzi zikwazi ukuthola inyamazane ngisho noma kumnyama bhuqe. Kepha, ngaphandle kwalokhu, futhi unamehlo abukhali kakhulu, uyakwazi ukubona inyamazane ngaphezu kwamanzi, kwesinye isikhathi uyaphuma abambe izinambuzane nezinyoni emagatsheni aphansi ezihlahla.
Ngenxa yobuciko obunjalo, waze wabizwa ngegama lesidlaliso - inkawu yamanzi.
Kunzima kokuqukethwe
Inhlanzi akuyona eyabaqalayo. I-Arowana idinga i-aquarium ebanzi kakhulu, ngisho neyencane, njengoba ikhula ngokushesha.
Kwabasebasha, amalitha angama-250 anele, kepha azodinga ngokushesha amalitha ayi-800-1000. Udinga namanzi ahlanzekile futhi ahlanzekile.
Kodwa-ke, njengezinhlanzi eziningi ezihlala emifuleni, zimelana kakhulu nezinguquko ku-pH nobulukhuni. Ngaphandle kwalokho, ukuzondla kuyintokozo ebiza kakhulu.
Enye yezinto ezithakazelisa kakhulu ze-Arowana ngumlomo wakhe. Ivula izingxenye ezintathu futhi ifane nomhume, ositshela ngesimo esidlayo nesingasuthiseki.
Ngenkathi zincane, zingagcinwa nezinye izinhlanzi, ezivuthiwe kuhle ukugcinwa zodwa noma nezinhlanzi ezinkulu kakhulu. Ziyizilwane ezifanelekile futhi zizodla noma yiziphi izinhlanzi ezincane.
Akunasidingo sokusho, lawa ama-jumpers amahle futhi i-aquarium kufanele ihlale ihlanganiswe ngokuqinile.
Ukondla
Omnivorous, ngokwemvelo idla kakhulu izinhlanzi nezinambuzane. Izitshalo nazo ziyadliwa, kepha lokhu kuyingxenye encane yokudla. Uyaziwa ngokungasuthiseki - izinyoni, izinyoka, izinkawu, izimfudu, amagundane, bakuthola konke esiswini sakhe.
Idla zonke izinhlobo zokudla okubukhoma ku-aquarium. Ama-bloodworms, i-tubifex, i-koretra, inhlanzi encane, imfanzi, inyama yemisipha, inhliziyo nokuningi.
Kwesinye isikhathi baphinde badle amaphilisi noma okunye ukudla okwenziwayo. Kepha kukho konke okunye, ama-Arowans akhetha izinhlanzi eziphilayo, ezizigwinya lapho zindiza.
Ngokuqina okuthile, bangafundiswa ukondla inhlanzi eluhlaza, imfanzi noma okunye ukudla kwenyama.
Yokudla Rodent:
Nezinhlanzi:
Ukugcina ku-aquarium
Bachitha isikhathi esiningi eduze kobuso bamanzi, futhi ukujula kwe-aquarium akubaluleke kakhulu kubo. Ubude nobubanzi kungenye indaba. I-arowana iyinhlanzi ende kakhulu futhi kufanele ikwazi ukuvela emanzini ngaphandle kwezinkinga.
Ngezinhlanzi ezindala, kudingeka umthamo wamalitha ayi-800-1000. Imihlobiso nezitshalo akunandaba naye, kepha i-aquarium idinga ukumbozwa, ngoba yeqa kahle kakhulu.
Ama-Arowan athanda okufudumele (24 - 30.0 ° C), amanzi ahamba kancane nge-ph: 6.5-7.0 no-8-12 dGH. Ukuhlanzeka kwamanzi kubaluleke kakhulu, ngoba ukuwagcina kubalulekile ukusebenzisa isihlungi esinamandla sangaphandle, ukugeleza okusatshalaliswa kangcono ngaphezulu kwendawo engezansi.
Izinguquko zenhlabathi ezivamile nokufunxwa nakho kubalulekile.
Inhlanzi inamahloni impela, futhi imvamisa iyakwazi ukuphuma ngaphandle kokukhanyiswa okungazelelwe kokukhanya. Kungcono ukusebenzisa amalambu akhanyisa kancane kancane futhi angazesabi izinhlanzi.
Ukuhambisana
Impela izinhlanzi akuzona ezasemanzini ajwayelekile. AmaJuvenile asengagcinwa kanye nezinye izinhlanzi. Kepha ama-arowan avuthiwe ngokocansi azodla zonke izinhlanzi angazigwinya.
Ngaphezu kwalokho, banolaka oluqinile ngaphakathi komndeni, izihlobo zingabulawa. Kungcono ukuzihlalela wedwa, ngaphandle mhlawumbe nezinhlanzi ezinkulu kakhulu - i-black pacu, i-plecostomus, i-brocade pterygoplicht, i-fractocephalus, i-giant gourami nommese waseNdiya.
Ukungafani ngokocansi
Abesilisa banomusa ngokwengeziwe futhi banomphetho omude wendunu.
Ukuzala
Cishe akunakwenzeka ukufuya i-arowana yesiliva emanzini asekhaya. Amaqanda ayo afinyelela ku-1.5 cm ububanzi kanti owesilisa uwafukamela emlonyeni wakhe.
Ngemuva kwezinsuku ezingama-50-60 zokufukamela, iqanda lichanyuselwa ngesikhwama esikhulu se-yolk. Ngezinye izinsuku ezingama-3-4 uphila ngaye, ngemuva kwalokho uqala ukubhukuda azidlele yedwa.
