Badlani oshaka? Ukudla kwezilwane ezidla ezinye ezesatshwa kakhulu olwandle

Badlani oshaka? Ukudla kwezilwane ezidla ezinye ezesatshwa kakhulu olwandle Oshaka baziwa emhlabeni wonke njengesinye sezilwane ezesatshwa kakhulu olwandle. Ngamandla nobukhulu bazo obumangalisayo, lezi zinhlanzi ezinoqwanga ziye zabusa olwandle izigidi zeminyaka. Kodwa yini esekela lezi zidalwa ezimangalisayo futhi kuyini ukudla kwazo? Kulesi sihloko, sizohlola izinhlobo ezahlukene zokudla oshaka abakudlayo nokuthi imikhuba yabo yokudla ibavumele kanjani ukuthi bachume emhlabeni ongaphansi kwamanzi.

Ukudla ngokwezinhlobo zoshaka

Oshaka abawona ama-generalists uma kuziwa ekudleni kwabo. Kunezinhlobo ezingaba ngu-400 ezihlukene zoshaka, futhi kubonakala sengathi ngamunye wabo ujwayele ukudla uhlobo oluthile lokudla. Ezinye izinhlobo zidla kakhulu izinhlanzi ezinamathambo, kanti ezinye zingadla izilwane ezincelisayo zasolwandle kanye nabanye oshaka.

Ngokwesibonelo, ushaka omhlophe waziwa kakhulu ngokudla izimvu zamanzi namabhubesi asolwandle, ngaphezu kwezinhlobonhlobo zezinhlanzi ezinamathambo nezingama-cartilaginous. Ngakolunye uhlangothi, oshaka be-Hammerhead, banokudla okuhlanganisa ikakhulukazi imisebe nezinye izinhlanzi ezisogwini lolwandle.

ukudla okungosomathuba

Oshaka ngokuvamile bangosomathuba uma kukhulunywa ngokudla. Lokhu kusho ukuthi banekhono kakhulu ekutholeni nasekubambeni inyamazane esendaweni eseduze, ngisho noma kungekona ukudla abakuthandayo.

IsiboneloUma iqembu lezinhlanzi ezincane libhukuda eduze kukashaka, cishe ushaka uzosebenzisa lesi simo futhi azitike ngenhlanzi ngaphandle kokusebenzisa amandla amaningi ekudla. Lokhu kuziphatha kuzivumela ukuthi zilondoloze izinsiza zazo futhi zihlale zikulungele ukubhekana namathuba angcono okudla angase avele.

ukuphakela isihlungi

Naphezu kwedumela lazo njengezilwane ezidla ezinye eziyingozi, kunezinhlobo ezithile zoshaka empeleni eziye zamukela indlela yokudla engavamile eyaziwa ngokuthi i- filter feeding. Oshaka be-whale kanye noshaka be-basking bayizibonelo eziphawulekayo zoshaka abadla ngale ndlela.

Lezi zinhlobo zoshaka, naphezu kobukhulu bazo kanye namandla azo okudla, ziye zavela ukuze zidle inani elikhulu lama-plankton kanye nezilwane zasolwandle ezincane ngokusebenzisa ukuhlunga kwamanzi. Lab’ oshaka bahamba kancane emanzini imilomo yabo ivulekile, befaka amanzi amaningi ngezimbotshana zabo, lapho ehlunga khona futhi acuphe amapulangwe ukuze adle.

ubuzimu phakathi koshaka

Nakuba kungase kubonakale kumangalisa, kwezinye izimo, oshaka bangase babe amazimuzimu. Lokhu kuvame ukwenzeka lapho izilwane ezizingelayo ziphansi noma lapho ushaka enza iphutha ngesikhathi ezingela futhi umngane wakhe womshado esizakala ngalesi simo.

Ezimweni eziningi, lolu hlobo lokudla abantu luwukubonakaliswa kosomathuba kunesu lokudla elingokoqobo. Oshaka, njengoba sazi, bangaba ngosomathuba uma kuziwa ekutholeni ukudla, futhi ngeke baliyeke ithuba lokugcwalisa izisu zabo uma omunye wabafowabo engasathandi.

Oshaka abadla izindwani kanye nokubaluleka kwabo ohlelweni lwendalo yasolwandle

Ngaphezu kokuba abazingeli, oshaka bavame ukwenza izindima ezibalulekile njengabagadli endaweni yemvelo yasolwandle. Ngokudla izinsalela zezilwane ezifile, oshaka basiza ukugcina ibhalansi endaweni ezungezile futhi bavimbele imfucumfucu kanye nezinto ezibolayo zemvelo ukuthi zinganqwabelana olwandle.

Izinhlobo eziningi zikashaka, kuhlanganise noshaka omhlophe owesabekayo, azinankinga yokudla izilwane ezifile uma zithola omunye endleleni yazo. Leli khono lokudla ukudla osekuvele kufile ngaphandle kokugula libanika amathuba engeziwe okuthola ukudla ngaphandle kokuchitha amandla befuna nokubamba inyamazane.

Kafushane, ukudla oshaka kungahluka ngokwedlulele kuye ngezinhlobo nezimo zemvelo abahlala kuzo. Kungakhathaliseki ukuthi zidla izinhlanzi ezinamathambo, izilwane ezincelisayo zasolwandle, ama-plankton, noma abanye oshaka, lezi zilwane ezinhle zihlala zithola indlela yokuqinisekisa ukuthi ziphila olwandle oluningi emhlabeni. Ngaphandle kwendima yazo njengezilwane ezidla ezinye, futhi zidlala indima ebalulekile ekugcineni ukulingana kwe-ecosystem kanye nemvelo yasolwandle.

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