Izimpawu Zoshaka Omhlophe
Ushaka omhlophe (Carcharodon carcharias) uyinhlanzi enoqwanga eyingxenye yomndeni wama-lamniform. Kubhekwa njengoshaka abakhulu kunabo bonke, okufinyelela ubude obuphakathi kwamamitha angu-4 no-6 kubantu abadala, nakuba ezinye izibonelo zingafinyelela amamitha angu-7 noma ngaphezulu futhi zingaba nesisindo esingaphezu kwamathani ama-2.
Izici ezibonakalayo zalezi zilwane zihlanganisa ikhanda lazo eliyindilinga, i-stout, umzimba we-fusiform, nemihlathi emikhulu engunxantathu. Emihlathini yabo ifakwe imigqa eyisihlava ka amazinyo acijile ezivumela ukuthi zibambe futhi ziklebhule inyamazane yazo kalula. Ukwengeza, oshaka abakhulu abamhlophe banezimpiko ezinhlanu ezinde, kuhlanganise ne- dorsal fin kanye nezimbili ze- pectoral ezinikeza ukuzinza nokuqondisa emanzini.
Indawo kanye nokusatshalaliswa koshaka omhlophe
Ushaka omhlophe ku-a izinhlobonhlobo zezindawo ezihlala olwandle, kusukela emanzini angashoni angasogwini kuya emanzini ajulile avulekile. Ziye zabonwa olwandle olunezimo ezipholile nezinezimvula ezishisayo nasezilwandle emhlabeni jikelele, ngokugxila okuphezulu kakhulu ezindaweni ezifana neNingizimu Afrika, Australia, California, kanye neMedithera.
- Lezi zilwane ezifudukayo zihamba amabanga amade zifuna ukudla, ukukhwelana, nezindawo ezizalela kuzo.
- Kuye kwaphawulwa ukuthi zithanda amanzi afudumele, nakuba zikwazi ukumelana namazinga okushisa aphansi.
Nakuba oshaka abakhulu abamhlophe besakazwa kabanzi, inani labo libhekene nezinsongo ezingathi sína, ezihlanganisa ukudoba ngokweqile, ukucekelwa phansi kwezindawo zokuhlala, ukubanjwa ngamanetha okudoba, kanye nokufunwa kwamaphiko oshaka.
Ukudla koshaka omhlophe
Oshaka abakhulu abamhlophe bayizilwane ezingosomathuba futhi banokudla okuhlukahlukene okungabandakanya izinhlobonhlobo zezilwane zasolwandle ezifana nezinhlanzi ezinamathambo, abanye oshaka, imisebe, nama-pinnipeds afana nezimvu zamanzi namabhubesi olwandle. Ziyaziwa nangokuthi zidla izinyoni zasolwandle, izimfudu ngisho nezinsalela zezilwane ezifile.
Elinye lamaqhinga okuzingela oshaka omhlophe ahlaba umxhwele ikhono lawo lokwenza amaphaphu aqhumayo bese egxuma ephuma emanzini ukuze babambe isisulu sabo esingalindelekile. Lezi zilwane ziye zahlakulela ukubona okubukhali kanye nesistimu yokwamukela i-electroreception ezivumela ukuthi zithole ukunyakaza kwezilwane ezizizungezile.
Ukuzala kanye nomjikelezo wempilo kashaka omhlophe omkhulu
Ushaka omkhulu omhlophe uveza uhlobo lwe-ovoviviparous lokuzala, okusho ukuthi amaphuphu ayakhula futhi azalwe ephila esibelethweni sikamama. Ukukhulelwa kungathatha izinyanga eziyi-12 kuye kweziyi-18, kanti abesifazane ngokuvamile bazala phakathi kwezi-2 neziyi-10. Lezi zinsana sezivele zizalwe zilungele ukuphila ngokwazo futhi ngokuvamile zilinganiselwa kumitha elingu-1 lapho zizalwa.
Oshaka abakhulu abamhlophe bafinyelela ekuvuthweni ngokobulili lapho beneminyaka engaba ngu-15 ubudala futhi kulinganiselwa ukuthi isikhathi sabo sokuphila cishe siyiminyaka engama-30 ngaphansi kwezimo zemvelo, nakuba izigameko zezilwane eziphila isikhathi eside zirekhodiwe.
Ilukuluku mayelana noshaka omhlophe
Ngaphandle kobukhulu bayo obumangalisayo nekhono lokuzingela, kukhona inhlebo ezithakazelisayo mayelana noshaka omkhulu omhlophe:
- Ngokwemvelo banelukuluku lokwazi futhi bavame ukuphenya izinto ezintantayo, ababhukudi, ngisho nezikebhe.
- Naphezu kwedumela labo, ukuhlaselwa kwabantu kuyivelakancane uma kuqhathaniswa, kwenzeka ikakhulukazi ngenxa yokuhlangana noma ukungezwani.
- Ushaka omhlophe awunazo izilwane ezidla ezinye zemvelo, ngaphandle kwemikhomo ebulalayo ezimweni ezithile.
- Lezi zilwane zinomuzwa omangalisayo wokuhogela, okuvumela ukuthi zithole iconsi elilodwa legazi emanzini angaphezu kwamalitha ayi-100.
Ngalokhu kuhlaziya, kuyacaca ukuthi ushaka omhlophe uyisilwane esifanelwe ukutuswa nokuhlonishwa ngamakhono akhe njengomzingeli kanye nendima yakhe njengomlawuli wezinto eziphilayo zasolwandle. Ukulondoloza ubukhona bazo kuzuzisa ukuhlukahluka kwezinto eziphilayo futhi kuqinisekisa ukulingana olwandle.