Hexanchus: kwendawo ukubukeka, ingozi ngoba indoda

Ngemva yamuva umdobi amateur ubanjwe e-Ireland schestizhabernaya ushaka usayizi omkhulu, abaningi bendawo kukhona ningakhathazeki sina futhi waqala ukufuna ukwaziswa okwengeziwe mayelana le nhlanzi. Kodwa abantu abaningi banesithakazelo, kungaba ingozi esintwini.

kanjani hexanchus

Hexanchus ngokuvamile Entela ukubizwa ngokuthi 'dinosaur "noma" inkomo amanoni "ngenxa yokuthi iba khona nokwephuza. It uyakwazi kancane kujule kuze olujulileyo futhi ubukeka kuhle esabise.

Isilinganiso umzimba ubude omunye omdala okungenani 3-5 amamitha, kodwa kukhona izimo lapho behluleka ukubamba ushaka afika kwangu-7 metres ubude. Ngokuvamile nabesifazane zithé kunangendlela kwabesilisa nesisindo 400 kg. oshaka umzimba torpedo emise, ikhanda enkulu, uhlaka lwamathambo yenziwe yonke ngamafayela we uqwanga. Kuyaphawuleka, kodwa akusho Bluntnose Sixgill shark fin ngemuva - kuba eduze umsila. pectoral amaphiko wayo waphetha ukusiza balinganisele, kuyashesha izinhlanzi usebenzisa umsila ukunyakaza. Isici esiphawulekayo zilwane inani gill ihlanganisa - ungomunye ngaphezulu (6 kunokuba 5) kunamanye oshaka. Lokhu kungenzeka kuhlobane ngokuqondile indlela lithathelwe njengoba izinhlanzi aphume izihlungi namanzi ivolumu olukhudlwana oxygen.

Futhi giant Bluntnose Sixgill Shark uyakwazi ukudonsa amehlo amancane ikhanda lakhe oluhlaza. Ukubeka ke ubona ngombala omnyama nomhlophe. On the ngemuva umbala ushaka - omhlophe nonsundu, futhi isisu e ezimhlophe kwakhe. Abanye abantu kuhluke umugqa olumhlophe ohlangothini emzimbeni. Emlonyeni inkomo ushaka namazinyo abukhali ahlelwe imigqa eziningana (imigqa 4 mini-izindwani 2 phezulu futhi ngezansi). Emincane kakhulu amasignali izinhlanzi catch nge imitshina kubekwe phakathi ikhanda. Ngaphezu kwalokho, ingxenye engezansi kukhona emakhaleni hypersensitive.

Indawo oshaka

Iningi Bluntnose Sixgill Shark kwasakazwa:

• Atlantic Ocean (enyakatho Iceland);
• Mediterranean (e ugu lweNyakatho Chile);
• Pacific Ocean (Nenkabazwe - US emikhawulweni, eMexico, e-Australia, California, Vancouver, Taiwan, yeSumatra);
• Indian Ocean (South Africa).

Nguye lo bukhoma esindayo izinhlanzi esipholile amanzi emvula. Abadala bayakwazi kufike amamitha eyizinkulungwane ezimbalwa, futhi eduze ebusuku ukukhuphuka kwamanzi.

amandla hexanchus

Isikhathi esiningi Bluntnose Sixgill Shark esidla izinhlanzi (ulwe, i-herring, Pike, Heck), ezinamagobolondo (squid, izinkalankala), stingrays, futhi ngezinye izikhathi ngisho ukudla izihlobo zabo. Unganqikazi ukuthatha ku ingcuba. Futhi, zikhona izimo lapho ushaka ehlaselwa izilwane zasolwandle ezifana lwezimpawu. amazinyo akhe kungaba thatha ukudla onhlobonhlobo. Sharks ikakhulukazi abazingeli kuvele phezu kwamanzi.

Isithombe sikashaka ukuphila, ukukhiqiza kabusha ukunakekelwa yenzalo

Amalungu zinhlobo hexanchus uhlala wedwa futhi phakathi ovoviviparous. kokuqala kokuthomba lapho ushaka 200 cm ubude. Ngemva kokukhulelwa umbungu okhula ngayo emzimbeni yabesifazane - omunye umuntu uyakwazi ukuba azale 100 namazinyane azo ubude 70 cm Ngakho kusukela kwazalwa inzalo bukhoma ngokuzimela emanzini angajulile, ngaphandle nokunakekelwa kanye nokuvikelwa kwezingane izinhlanzi omdala .. Naphezu kwalezi zimo ezinhle lezi zimo ezinzima, kuhlanganise oshaka ezitholakala kuqhathaniswa okusezingeni eliphezulu isilinganiso lokusinda.

Ubungozi ukuze abantu

Naphezu kwesimo nokubukeka yayo inzima kakhulu futhi zesabise, grey Bluntnose Sixgill Shark akuyona ingozi kubantu. Ngaphezu kwalokho, lapho ngahlangana naye nomzingeli uncamela ukuntanta kude ekujuleni. Nokho, uma kwenzeka lapho umuntu omkhulu ehlaselwa diver oneminyaka engu-24 ubudala uStefanu Foggarti owacwila phansi Lake Illawarra, etholakala e-Australia. Khona-ke indoda ushaka yenhlwathi ngokusebenzisa komlenze wakhe, futhi ekugcineni wakwazi ukubuyeka ukusinda sibonga kuphela usizo ngesikhathi esifanele enikeziwe.

Kuyaphawuleka ukuthi Bluntnose Sixgill Shark wabanjwa kulo nyaka e-Ireland. Isisindo sayo eseduze wayengekho ngaphansi kuka-680 kg nge obuphelele umzimba 7.5 amamitha. Ochwepheshe wabona umhlaseli kuphela enikeziwe izithombe - kwakungenakwenzeka ukuba uhlole kubo. Lona ushaka enkulu ubanjwe on eYurophu ngaleso lolo. Ngakho, eneminyaka engu-26 ubudala eyiNgisi Ben Bond (fisher-lover abanolwazi) esingaphezu kwehora akakwazanga ukuphakamisa yimpango yabo ebusweni, bese izithombe zakhe, yena isuswe hook futhi ngobumnene ikhishwe.

"Mina wayengesabi, inqobo nje uma wakhipha. Mina baze bakwazi ngisho ke ulunguza ngaphakathi ufica imihlathi yayo enkulu ", - uthe Bond.

Abasebenzi ezimweni zokudoba ukuphathwa e-Ireland sikhunjuzwe ukuthi ukudoba ngale ndlela kuyinto ukudoba zomthetho. Ezemidlalo lokudoba lapho zibeke kungukuthi abulawe, sezidedelwa zaya endle, avunyelwe kuleli zwe.

Ososayensi asikhumbuza ukuthi hexanchus amalungu omdala emndenini phakathi kwabaphilayo. Bavele abangaba yizigidi ezingu-200 edlule. Futhi, abantu bavame ngokuthi inkomo inkomo ushaka noma enodaka.