Ukubhaka ushaka

Indlela ushaka obhasikidi opha ngayo

Namuhla sizokhuluma ngohlobo oluthile lukashaka olungajwayelekile. Imayelana ne- ushaka obhasikidi. Igama layo lesayensi ngu I-Cetorhinus maximus futhi kubhekwa njengenhlanzi yesibili ngobukhulu emhlabeni. Iyakwazi ukufinyelela kumamitha ayi-10 ubude futhi kuze kufike kumathani we-4 ngesisindo. Ine-silhouette ekhangayo eyenza kube ushaka wokuzingela nempumulo ebukhali. Kuyaziwa kubantu abathanda ulwandle.

Kulesi sihloko sizokutshela konke mayelana noshaka obhasikidi, kusukela kuziphi izici onakho kuze kube ukuthi uzala kanjani.

Izici eziyinhloko

I-basking shark izondla kanjani ngezihlungi

Inesimo esikahle se-hydrodynamic yize ihamba kancane. Impumulo yayo ebukhali iyayisiza ngokudla ngokusefa amanzi. Imvamisa zibhukuda zivule imilomo yazo ukuze zikwazi ukuwenza uzungeze futhi zihlunge amanzi ngemigodi.

Imvamisa, zibonakala kusuka ogwini futhi izivakashi zivame ukubuza ukuthi zingazibona kanjani. Phezulu zivame ukubonwa futhi zibekezelele ubukhona babantu. Yize ukubukeka kwayo kungashaqisa, akuyona ingozi nakancane. Uma uhamba ngesikebhe esisogwini lolwandle, ushaka ngokuqinisekile uzokuza kuwe ukuzolala, kepha ngaphandle kokukulimaza.

Lokhu kuziphatha okuhle kumuntu kukwenza kube yinto yokuzingela ngokungakhethi ngabadobi. Usayizi nesisindo okusebenzisile kube nenzuzo ephezulu emikhumbi yezohwebo. Ushaka kuphela okwazi ukukhiqiza ithani lenyama namalitha angu-400 kawoyela. Isibindi sinothe kakhulu ngamavithamini futhi singamela kuze kufike ku-25% wesisindo esiphelele sesilwane.

Ukushushiswa obekukhona lesi silwane esikhathini esidlule kubangele ukuthi inani laso lehliswe lize lifike ezingeni lokuthi iningi lamanje labantu livikelwe ngumthetho emazweni amaningi.

Indawo nendawo okusatshalaliswa kuyo

Ushaka ogwini

I-basking shark itholakala ezindaweni ze-pelagic, ngakho-ke siyibona njalo ezindaweni ezingasogwini. Indawo yayo yokwabiwa ibanzi kakhulu, ngakho-ke cishe emhlabeni wonke. Kusukela ezindaweni ezisempumalanga kakhulu kuya olwandle olushisayo. Banekhono lokuzivumelanisa nezindawo ezahlukahlukene.

Zingabonakala ezindaweni ezingaphezulu kwamashalofu ezwekazi. Yize bekhetha amanzi abandayo, bavame ukuhlala ezindaweni ezinamazinga okushisa aphakathi kuka-8 no-14 degrees. Kuvamise ukubonakala ezindaweni eziseduze nasogwini futhi kujwayelekile ukuthi zikwazi ukufinyelela ezindaweni zamabhayi namachweba.

Zifuna ukudla ezinhlakeni ezinkulu zeplankton emanzini angajulile. Kuyinto ejwayelekile ukuzibona zibhukuda eduze kwaphezulu. Lolu hlobo lukashaka lunamaphethini athile okufuduka. Bayakwazi ukuhamba amabanga amade olwandle futhi lokhu bakwenza ngokulandela izinguquko zezinkathi zonyaka ukuze babe sezingeni elifanele lokushisa.

Ebusika bachitha isikhathi eside eduze nolwandle befuna ukudla, ngoba kuncane okunye okukhona ngaphandle. Iyakwazi ukwehla iye kumamitha ayikhulu noma izinkulungwane ukujula.

Ukudla kwe-shasking shark

UShaka weqa wasuka ogwini

Yize ngenxa yobukhulu bazo nokuma okusobala nokumnyama kubonakala sengathi zidla ezinye izilwane ezinjengezimpawu zamanzi nezinye izinhlanzi, lokhu akunjalo. Naphezu kokubukeka kwayo okwesabekayo, inomthombo wokudla oyithandayo. Imayelana ne-zooplankton. I-Zooplankton yizilwane ezincane ezitholakala eduze kwamanzi. Yizidalwa zasemanzini nokubhukuda okungalungile, ngakho-ke ziyabambeka kalula.

Njengoba i-surface zooplankton iba yindlala ebusika, ushaka obhasikidi kumele afudukele ekujuleni okuphansi ukuthola ukudla noma ahambe izinkulungwane zamakhilomitha eyofuna ukudla.

Impela uyazibuza ukuthi lesi silwane senza kanjani ukuze sikwazi ukuhlukanisa iplankton namanzi eligwinyayo. Le nqubo ikwenza ngendlela ethokozisayo futhi kungenxa yezici ezithile zomzimba. Inama-gill rakers amade futhi amade amancane asebenza ukuhlunga iplankton emanzini. Lawa ma-rakes adingeka impela ekondleni. Amanzi ngokweqile abawasebenzisayo axoshwa emzimbeni ngokusebenzisa ama-slits aqondile.

Imisipha yalezi zilwane isebenza kanzima kangangokuba kufanele ishintshwe minyaka yonke. Zivame ukulahlwa phakathi nezinyanga zasebusika bese ziphinda ziphume futhi entwasahlobo lapho kunama-plankton amaningi okufanele ahlungwe ezindaweni eziseduze nobuso.

Ukuzala

Ukubhaka umlomo kashaka

Lezi zilwane bafinyelela ekuvuthweni ngokobulili lapho befinyelela eminyakeni ecishe ibe yi-10 ubudala. Ngaphambi kokuthi bangazami ukuzala ngoba abakakabi nokuvuthwa okwanele ezithweni zokuba nenzalo. Uhlobo lokukhiqiza abanalo yi-ovoviviparous. Lokhu kusho ukuthi, yize amachwane eqanduselwa emaqandeni, akwenza lokho esibelethweni sikanina. La maqanda azochanyuselwa ngaphakathi kowesifazane kuze kube imibungu yakheka futhi yakhiwa ngokuphelele.

Ingxenye ekhethwayo yokuzalaniswa kukashaka kulapho ihlobo liqala isikhathi sokuphatha unyaka owodwa. Okwamanje, i-ecosystem ayimnandi futhi ayikuthandi ukuba nezidalwa ezincane. Ngakho-ke, bayakwazi ukunweba isikhathi sokukhulelwa kuze kube yiminyaka emi-3. Leli khono lokusinda libanikeza ithuba lokukwazi ukukhetha ukuthi yisiphi isikhathi esikahle kunazo zonke sokuthi abasha babe nempumelelo enkulu yokuzala.

Ukuziphatha koshaka koshaka

ushaka

Mayelana nokuziphatha kwalesi silwane, singasho ukuthi siyathanda ukubhukuda ezindaweni eziseduze nangaphezulu kogu ngenxa yokuthi kulapho kukhona izakhamzimba eziningi nenani elingaphezulu le-zooplankton elingangena khona. Izinga lokushisa okukhona kokubili amanzi nengaphandle kuyisici esinqumayo sokuthi ingaba endaweni ende noma cha noma kufanele ifudukele ekujuleni.

Kuyisilwane esithandana kahle esivame ukudala amaqembu we kuze kube yizibonelo ze-100 futhi azenzi lutho kumuntu. Uyakwazi ukuxhumana nozakwabo ngokubona ngokuhambisa amehlo akhe ezinhlangothini. Lokhu kuyabasiza ukuthi bazi ukuthi izidlova, izikebhe, njll. Ziyeza yini.

Ngiyethemba ukuthi ngalolu lwazi ungafunda kabanzi mayelana noshaka obhasikidi nakho konke okukuzungezile.


Yiba ngowokuqala ukuphawula

Shiya umbono wakho

Ikheli lakho le ngeke ishicilelwe. Ezidingekayo ibhalwe nge *

*

*

  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.