Thola ukuthi oshaka balala kuphi futhi kanjani

Thola ukuthi oshaka balala kuphi futhi kanjani Thola ukuthi oshaka balala kuphi futhi kanjani yisihloko esidale isithakazelo esikhulu nesihehe, njengoba lezi zilwane zaziwa njengabazingeli abangaphezi basolwandle. Kodwa ingabe wake wazibuza ukuthi lezi zilwane ezinkulu zasolwandle zilala kanjani futhi kuphi? Kulesi sihloko, sizohlola ngokujulile ukuthi oshaka baphumula kanjani kanye nezici ezimangalisayo zamaphethini abo okulala.

Ingabe oshaka bayalala?

Impendulo yalo mbuzo inguyebo nocha. Ngokungafani nabantu nezinye izilwane ezincelisayo zasemhlabeni, oshaka abalali ubuthongo obukhulu. Kunalokho, indlela yakhe yokuphumula iyisimo sokuphumula esaziwa ngokuthi iphupho elinyakazayo. Phakathi nalesi simo, ubuchopho bakho nesimiso sezinzwa zigcinwa zisebenza, kodwa ngezinga eliphansi kunalapho zisebenza. Njengoba oshaka abaningi kudingeka bahlale benyakaza ukuze baphefumule, le ndlela yokuphumula ibavumela ukuba bahlale bephila lapho belele.

Oshaka banomjikelezo wokulala oyingqayizivele obavumela ukuba baphumule ngaphandle kokulala ngokuphelele. Abanye oshaka bashintsha phakathi kwezikhathi zomsebenzi onzima kanye nezikhathi zokuphumula, kuyilapho abanye bathola isimo sokuphumula esiqhubekayo usuku lonke.

iphupho lihamba

Ukunyakaza kokulala kuwukuzivumelanisa nokuziphendukela kwemvelo okuvumela oshaka ukuthi bahlale beqaphela indawo ebazungezile futhi bagweme izinsongo ezingaba khona. Phakathi nalesi simo, ushaka angakwazi ukuhlala ekwazi okumzungezile ngokusebenzisa izinzwa zakhe, njengomugqa wakhe ongaseceleni kanye nesitho sakhe se-electrosensory esibizwa ngokuthi I-ampulla kaLorenzini.

Ukulala okunyakazayo kusiza oshaka ukuba balondoloze ukugeleza kwamanzi njalo emathanjeni abo, babanikeze umoya-mpilo abawudingayo ukuze baphile. Kulesi simo, izinhlobo ezithile zoshaka, njengoshaka omhlophe kanye ne-tiger shark, zinciphisa umzimba wazo futhi zinciphise ukusebenza kwemisipha, okubavumela ukuthi bonge amandla ngenkathi bephumule.

Phumula phansi olwandle

Abanye oshaka, njengabahlengikazi oshaka kanye noshaka bezingelosi, abadingi ukuthi bahlale benyakaza ukuze baphefumule futhi bangaphumula phansi olwandle. Laboshaka bavame ukutholakala bengamaqoqo, emihumeni, noma ngaphansi kwamatshe aphansi olwandle phakathi nosuku, bevikelekile ekukhanyeni kwelanga. Ebusuku, ziyaphuma zizofuna ukudla futhi zihlanganyele nabanye oshaka.

Iqiniso lokuthi zingama futhi ziphumule phansi olwandle kungenxa yesakhiwo esikhethekile esibizwa ngokuthi i-gill i-spiracle, okubavumela ukuthi bampompe amanzi ngenkuthalo futhi bathole umoya-mpilo. Lokhu kubavumela ukuthi bahlale benganyakazi futhi behlise imetabolism yabo ngaphandle kokubeka engcupheni yokuqunjelwa.

Amaphethini ahlukene ezinhlotsheni zoshaka

Nakuba bonke oshaka behlanganyela izici ezithile ngokwendlela yabo yokulala, kunomehluko ophawulekayo phakathi kwezinhlobo ezihlukene. Ngokwesibonelo, oshaka okudingeka baqhubeke benyakaza ukuze baphefumule, njengoshaka abakhulu abamhlophe noshaka abaluhlaza okwesibhakabhaka, banesikhathi esifushane futhi esingasho lutho sokuphumula lapho benyakaza kunalabo abakwazi ukuma baphumule phansi.

Ngakolunye uhlangothi, oshaka abangahlala phansi olwandle, njengabahlengikazi oshaka, bavame ukuba nezikhathi ezivamile zokulala nokuphaphama okufana nalezo ezitholwa izilwane ezincelisayo zasemhlabeni.

Ilukuluku mayelana nephupho loshaka

  • Oshaka abawavali amehlo lapho belele, futhi ezinye izinhlobo zezilwane, njengoshaka omhlophe, ziba nolwelwesi oluvikela amehlo azo lapho zidla noma ezimweni lapho zingalimala khona.
  • La ukuxhumana phakathi kwephupho loshaka nenyanga bekulokhu kuphenywa. Ezinye izinhlobo zoshaka, njengoshaka ongumhlengikazi, ziye zaqashelwa ukuthi ziye zaphazamisa indlela yokulala phakathi nesigaba esisha nesenyanga egcwele, okusikisela ukuthi lezi zinkanyezi zingase zibe nendima ekulaleni kwazo nasemijikelezweni yazo.
  • Oshaka bayizilwane ezine-ectothermic, okusho ukuthi izinga lokushisa lomzimba wabo linqunywa izinga lokushisa elizungezile. Ngakho-ke, iqiniso lokuthi bagcina amazinga aphezulu omsebenzi ngesikhathi sokulala libasiza ukuthi balawule izinga lokushisa labo futhi bagcine i-physiology yabo isesimweni esifanele.

Ngamafuphi, oshaka baye benza uchungechunge lokuzivumelanisa nezimo okuthakazelisayo okubavumela ukuba baphumule ngaphandle kokuzibeka engozini noma ukubeka engcupheni ukuphila kwabo. Kusukela ekulaleni ekuhambeni kuye ekuphumuleni phansi olwandle, oshaka babonakale beyizilwane ezikwazi ukwenza izinto ezihlukahlukene ngendlela emangalisayo ezivumelana kahle nemvelo yabo.

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