I-Perch fish: incazelo enesithombe, izinhlobo, ukuthi idlani, lapho ihlala khona

I-Perch iyinhlanzi edla inyama eyingxenye yezinhlobo zezinhlanzi ezine-ray-finned futhi imele ukuhleleka okufana ne-perch, umndeni we-perch.

I-Perch: incazelo

Isici esiphawulekayo salolu hlobo lwezinhlanzi isakhiwo kanye nokuma kwe-dorsal fin. Iqukethe izingxenye ezimbili. Ingaphambili lihlaba kakhulu, kanti ingemuva livamise ukuthamba. Kwezinye izinhlobo zezinhlanzi, le fin ibalulekile. I-fin ye-anal iqukethe amaningana (kufika ku-3) ama-hard spines, futhi i-caudal fin inenotshi ethile. Cishe kubo bonke abameleli balo mndeni, ama-ventral fins ane-pink noma i-hue ebomvu ekhanyayo. Umlomo we-perch mkhulu, namazinyo amakhulu, ahlelwe ngemigqa eminingana. Abanye abameleli balesi sigaba bahlukaniswa ngokuba khona kwamazinyo. Lesi silwane esizingelayo sinezikali ezincane, ezinamathela ngokuphephile esikhumbeni, futhi kukhona i-ridge emaphethelweni angemuva, lapho kubonakala khona ama-spikes amancane namazinyo. Kunamanotshi amaningi amancane kukhava yegill.

I-Perch ikhula ibe usayizi we-3 kg, kanti isisindo sayo esijwayelekile siyi-0,4 kg. Isisindo se-sea bass singaba ngamakhilogremu angu-14. Ubude besilwane esizingelayo buyimitha eli-1, noma ngaphezulu, kodwa abantu abavamile bafinyelela ubude obungekho ngaphezu kwama-45 cm. I-Perch ifakiwe ekudleni kwabantu, ama-otters, ama-herons nezinye izilwane ezidla ezinye, izinhlanzi ezinkulu.

ikhasi lombala we-perch

Umbala we-perch uncike ekutheni ungowaluphi uhlobo, ngakho-ke ungaba phuzi-luhlaza noma grey-luhlaza. I-Sea Bass inemibala ehlukene kancane, efana nopinki noma obomvu, nakuba kunezimo zemibala ephuzi noma eluhlaza okwesibhakabhaka. Izinhlobo ze-deep-sea zivame ukuba namehlo amakhulu.

Izinhlobo ze-perch ezinesithombe

Umndeni we-perch uhlanganisa okungenani izinhlobo eziyi-100 zezinhlanzi, ezisatshalaliswa phakathi kwezinhlobo eziyi-9. Okudume kakhulu ngabadobi bethu yizinhlobo ezi-4:

• Umfula perch. Ihlala cishe kuwo wonke amachibi anamanzi ahlanzekile, ngakho-ke ibhekwa njengezinhlobo ezivame kakhulu.
• i-perch yellow iyahluka ngokuthi umsila wayo, amaphiko namazenga anombala ophuzi.
• I-Perch Balkhash. Alinayo ichashaza elimnyama kufin walo wokuqala womhlana, futhi abadala abanayo imigqa eqondile.
• I-Sea bass. Kulolu hlobo lwe-perch, wonke amaphiko anezindlala ezinobuthi.
• i-sun perch. I-sun perch yalethwa okokuqala eRussia ngo-1965. Izwe labo yiNyakatho Melika.

habitat

Lolu hlobo lwezinhlanzi luhlala cishe kuwo wonke amadamu emvelo nawokwenziwa eNyakatho Nenkabazwe, okuhlanganisa imifula namachibi e-USA naseCanada, kanye namachibi ase-Eurasia. I-perch izizwa ikhululekile lapho kukhona umsinga omncane, hhayi ukujula okukhulu, kanye nezimila zasemanzini, lapho i-perch ikhetha ukuzingela izinhlanzi ezincane. Njengomthetho, i-perch ibuthana emihlambini embalwa futhi ihola indlela yokuphila esebenzayo, kokubili imini nobusuku. Kuyathakazelisa ukuthi i-perch nayo izingela ngamaphakethe. I-Perch itholakala ezindaweni eziphakeme, kanye nasekujuleni okungafika kumamitha ayi-150.

I-sea perch iphila impilo esebenzayo ezindaweni ezisogwini, ezihlahleni ezihlala emanzini, futhi ebangeni elide ukusuka ogwini endaweni enamatshe.

Ukudla kwe-Perch

I-perch iyisilwane esizingelayo esibi kangangokuthi idla yonke into enyakazayo, kukholamu yamanzi nangaphansi kwechibi. Okubaluleke kakhulu, i-perch ingabhubhisa kalula amaqanda abekwe ezinye izinhlanzi. Lapho i-perch fry izalwa, ihlala eduze naphansi, lapho idla khona izinto ezincane eziphilayo. Kakade phakathi nehlobo bathuthela endaweni engasogwini, lapho bezingela khona ama-roach nezinye izinhlanzi ezincane.

I-Perch ikhetha izinhlobo zezinhlanzi ezinenani eliphansi njenge-smelt ne-minnow. Endaweni yesibili ku-perch kukhona ama-ruffs, ama-gobies, amnyama, i-bream yesiliva yezingane, kanye ne-trifle ye-pike perch ne-crucian carp. Ngokuvamile i-perch idla izibungu zomiyane, ama-crayfish namaxoxo. Kwesinye isikhathi amatshe kanye ne-algae kungatholakala esiswini salesi silwane esizingelayo. Ososayensi bakholelwa ukuthi i-perch iyawagwinya ukuze amise izinqubo zokugaya ukudla.

Ngokufika kwekwindla, lapho i-perch, nezinye izinhlobo zezinhlanzi, zine-zhor, ama-perches adla kalula izihlobo zawo. Leli qiniso liholela ekwehleni kwezilwane ezidla ezinye, kodwa ngesikhathi esifanayo, izinhlanzi ezinokuthula zinethuba lokusinda.

ukuzalanisa i-perch

Ngonyaka wesibili noma wesithathu wokuphila, kuye ngezimo zokuphila, i-perch iba umhlaseli ovuthiwe ngokocansi. Ngaphambi kokuqala kokuzala, abaphangi abanemigqa babuthana beyimihlambi eminingi bese beya emanzini angashoni ukuze bayozalela. Ezindaweni zokuzalanisa, kufanele kube khona okwamanje okuncane, futhi izinga lokushisa lamanzi kufanele lifinyelele ku-7 kuya ku-15 degrees plus. Amaqanda avundisiwe anamathele ezintweni zemvelo ezingaphansi kwamanzi noma zokwenziwa, kanye nezimpande zezitshalo ezisogwini. I-masonry ifana ne-garland, efinyelela kumitha ubude, lapho kunamaqanda ayizinkulungwane ezingu-800. Ngemuva kwezinsuku ezingama-20-25, ama-perch fry azalwa emaqandeni, aqala ukudla ngeplankton. Ziba yizilwane ezidla ezinye lapho zikhula zifinyelele ku-10 cm ubude. Izinhlobo zasolwandle ze-perch ziyizinhlanzi ze-viviparous, okungukuthi, azizali, kodwa ziyathosa. Ngesikhathi sokuzala, insikazi idedela ama-fry afinyelela ezigidini ezimbili, akhuphukela eduze nendawo futhi aqale ukudla ngendlela efanayo ne-freshwater perch.

Ukuzalanisa i-perch yokwenziwa

I-perch fish inezici ezinhle kakhulu zokunambitheka, ngakho-ke, ikakhulukazi muva nje, kube nomkhuba wokuzalanisa okwenziwa kwale nhlanzi. Ngeshwa, le ndlela yokukhulisa inezinkinga eziningi, njengoba kudingekile ukuba kube nemishini ekhethekile, amanzi ahlanzekile, nezinhlanzi ezincane, ezisebenza njengokudla kwemvelo kwe-perch.

Amaqiniso e-Perch athakazelisayo

• Noma yimuphi umdobi okhuthele angasho ngokuzethemba ukuthi i-perch ihlale iletha ukubamba okungaguquki, kokubili ehlobo nasebusika. Lokhu kubonisa ukuthi i-perch idla kakhulu kangangokuthi nganoma yisiphi isikhathi sonyaka iluma kunoma iyiphi i-bait, futhi izinzile.
• I-perch enkulu (indondo) inzima kakhulu ukuyibamba, ngoba igcina ijulile futhi iphila impilo yodwa.
• I-Perch ingaphila ezimweni ezihluke ngokuphelele, emifuleni, emachibini nasemachibini, nasezindaweni zamanzi ezinosawoti omncane.
• Lesi silwane esizingelayo, ngenxa yokuxega okukhulu kokudla, siyakwazi ukucekela phansi inqwaba yezinhlanzi ezinokuthula. I-pike perch, i-trout, i-carp nezinye izinhlanzi zihlushwa ukuba khona kwe-perch.
• Isilinganiso sobukhulu besigebengu esinemigqa singaphakathi kwamagremu angu-350, nakuba kwaziwa ukuthi ngo-1945 isifanekiso esinesisindo esingu-6 kg sabanjwa eNgilandi.
• Ama-sea bass ahlala ikakhulukazi emanzini oLwandlekazi iPacific futhi angafinyelela ubude obungaphezu kwemitha elingu-1 futhi azuze kufika ku-15 kg wesisindo. Inyama ye-sea bass iwusizo kakhulu ngoba iqukethe amaprotheni, i-taurine nezinye izinto eziningi eziwusizo.
• Izinhlanzi ze-Viviparous ziletha inzalo encane kakhulu, uma iqhathaniswa ne-sea bass, ekhiqiza kufika ku-2 million fry.
• I-hot perch ebhemayo yayibhekwa njengokudla kwasolwandle okuyintandokazi ngezikhathi zamaSoviet. Ngenxa yokweqisa okujwayelekile kwamazinga okubamba avumelekile, i-perch isiphenduke ukudla okuvamile esikhathini sethu.

Ukudoba ama-Perch kuwumsebenzi othakazelisayo nojabulisayo nganoma yisiphi isikhathi sonyaka. Inkinga nje ukuthi kuyinkinga ukuhlanza i-perch ngenxa yezikali ezincane ezigcinwe ngokuphephile esikhumbeni. Kuyinkinga ikakhulukazi ukuhlanza i-perch encane, ngakho-ke abantu baqhamuke nezindlela eziningi ezenza le nqubo ibe lula. Uma i-perch ifakwe emanzini abilayo futhi ibanjwe imizuzwana embalwa, khona-ke isikhumba sisuswa kalula kanye nezikali. Kunoma yikuphi, udinga ukuzama.

Yiba noma kunjalo, ungahlala ubambe i-perch, ehlala ijabulisa umdobi.