umuzwa wephunga obukhali kakhulu
Oshaka banesinye sezinzwa zokuhogela ezizwela kakhulu ezilwaneni. Ziyakwazi ukubona amanani amancane amakhemikhali emanzini, okuzivumela ukuba zikwazi ukuthola inyamazane futhi zithole indlela yazo ezungeze ulwandle. Ezinye izinhlobo zoshaka zikwazi ukubona iconsi legazi elihlanjululwe ezigidini zamalitha amanzi.
Ngaphezu kwalokho, umuzwa kashaka wokuhogela awusizi nje kuphela ukuthola inyamazane, kodwa futhi nasekutholeni amalungu ezinhlobo zawo ngezikhathi zokukhwelana. Lo muzwa ubukhali kangangokuthi ziyakwazi ukubona ukushintsha kwamakhemikhali emanzini zikude kakhulu, zikwazi ukuhlangana ngokuphumelelayo.
amazinyo njalo replaceable
Esinye sezici ezaziwa kakhulu zoshaka amazinyo abo abukhali. Okungase kukumangaze ukuthi lezi zilwane ziyakwazi ukushintsha amazinyo azo impilo yazo yonke. Njengoba amazinyo ewohloka noma ephuka, amazinyo amasha akhula ngokushesha ukuze awathathele indawo.
- Oshaka bangaba nemigqa efika ku-15 yamazinyo emlonyeni wabo, futhi izinyo ngalinye lingashintshwa emasontweni ambalwa. Lokhu kuqinisekisa ukuthi zihlale zinamazinyo asebenzayo okubamba nokuklebhula inyamazane yazo.
Ikhono lokubona amasimu kagesi
Oshaka banekhono eliyingqayizivele phakathi kwezilwane zasolwandle, ikhono lokubona amasimu kagesi ngokusebenzisa izitho ezincane ezibizwa I-Lorenzini ampoules, ezisemakhaleni azo. Lezi zitho zibenza bakwazi ukuzwa ugesi okhiqizwa ezinye izinto eziphilayo, ngisho nalapho uhamba amabanga amafushane.
Leli khono lizisiza ukuthi zifune futhi zithole inyamazane ecashe esihlabathini noma ibone abanye oshaka. Ngaphezu kwalokho, ziphinde zizizwele endaweni kazibuthe yomhlaba, ezivumela ukuthi ziziqondise futhi zihambe olwandle.
Abanye oshaka bayi-viviparous
Ngokuvamile, oshaka bangazala ngezindlela ezintathu ezihlukene: i-oviparous (iqanda lokubeka), i-viviparous (izala ukuze iphile besebancane), kanye ne-ovoviviparous (amaqanda akhula ngaphakathi komama futhi azalwa ephila). Enye yezinto ezikhangayo ukuthi ezinye izinhlobo zoshaka, njenge-hammerhead shark noshaka oyinkunzi, ziyi-viviparous.
Lokhu kusho ukuthi ingane ikhula ngaphakathi emzimbeni kamama futhi izalwe iphila. Kwezinye izimo, lezi nzalo zingase zenze i-intrauterine cannibalism, lapho i-embryo enamandla idla ababuthakathaka ngaphambi kokuba izalwe.
Isivinini esikhulu nokujwayela ukuhlasela
Oshaka bajwayele ukujwayela ukuhamba ngesivinini esiphezulu futhi bahlasele inyamazane yabo. Imizimba yazo ehlelekile iwavumela ukuba abhukude ngokushesha nangokuthula emanzini, futhi imisipha yawo enamandla iwanikeza amandla amakhulu okunqoba inyamazane yawo.
Ngaphezu kwalokho, oshaka banamasu anhlobonhlobo okuhlasela, kuye ngezinhlobo zabo kanye nezilwane abazithandayo. Ngokwesibonelo, yena Ushaka omhlophe ingagxuma iphume emanzini ukuze ibambe izimvu zamanzi nezinye izilwane ezincelisayo zasolwandle.
Lawa amanye amaqiniso athakazelisayo ngoshaka, kodwa maningi nangaphezulu. Njengoba ucwaningo lwesayensi yezinto eziphilayo zasolwandle luthuthuka, ngokungangabazeki sizoqhubeka nokuthola izici ezintsha ezimangalisayo zalezi zilwane ezinamandla ezizingela olwandle. Umcebo ongapheli wezilwane zasolwandle usikhumbuza ukubaluleka kokulondoloza nokuvikela izilwandle zethu.