Hexanchus: mazauninsu, bayyanar, hatsari ga mutumin

Bayan da 'yan mai son masunci aka kama a Ireland schestizhabernaya shark babban size, da yawa na gida mazauna ne tsanani agitated ya fara duba don ƙarin bayani game da wannan kifi. Amma mafi yawan mutane suna da sha'awar, ko yana da hatsari ga bil'adama.

Ta yaya ne hexanchus

Hexanchus sau da yawa raha ake magana a kai a matsayin "dinosaur" ko "mai saniya" saboda ta bayyanar da slowness. Shi ne iya sannu a hankali nutse zuwa babban zurfin, kuma ya dubi kyawawan razanarwa.

A talakawan jiki tsawon na daya adult ne a kalla 3-5 mita, amma akwai lokuta a lõkacin da suka iya kama wani shark up to 7 mita a tsawon. Kullum mãtã ne dan kadan ya fi girma fiye maza kuma ku auna nauyi game da 400 kg. sharks jiki ne torpedo-dimbin yawa, manyan kai, da kwarangwal din da kunshi 'guringuntsi. Abin lura shi ne, amma ba ya Bluntnose Sixgill Shark Fin a baya - shi ne mafi cancanta ga wutsiya. Its taso keya pectoral fins taimakawa wajen kula da balance, accelerating da kifi ta yin amfani da wutsiya motsi. A rarrabe da jinsunan ne yawan gill rufe - su ne daya more (6 maimakon 5) fiye da sauran sharks. Wannan ne mai yiwuwa kai tsaye alaka da karbuwa inji kamar kifi daga cikin ruwa tacewa ne ya fi girma sosai girma na oxygen.

Har ila yau giant Bluntnose Sixgill Shark ne iya ja da kananan idanu kore kai. Kafa shi Mai gani ne ga a baki da fari. A baya na shark launi - fari da launin ruwan kasa, da kuma ciki a ta snow-fari. Wasu mutane da suka sãɓã wa jũna whitish stripe a gefe na jiki. A bakin saniya shark kaifi hakora ana shirya a dama layuka (4 layuka na mini-ruwan wukake 2 a saman da kasa). The karami kifi kama sakonni gane located a cikin kai. Bugu da kari, cikin ƙananan part ne hypersensitive kafafen hancinsa.

A mazauninsu na sharks

Mai Bluntnose Sixgill Shark rarraba a cikin:

• Atlantic Ocean (arewa na Iceland).
• Rum (a cikin tekun na Chile).
• Pacific Ocean (arewacin yammancin duniya - Amurka ƙasar, Mexico, Australia, California, Vancouver, Taiwan, Sumatra).
• Indian Ocean (Afirka ta Kudu).

Ya fi son wannan live-hali kifi temperate da kuma wurare masu zafi da ruwa. Manya ne iya nutse har zuwa 'yan dubu mita, da kuma kusa da dare zuwa hawa zuwa surface.

ikon hexanchus

Mafi yawa Bluntnose Sixgill Shark ci kifi (zurfin, herring, Pike, bala'i), crustaceans (squid, crabs), stingrays, da kuma wani lokacin har su ci dangi. Kada ka yi shakka a dauka akan mũshe. Har ila yau, akwai lokuta lokacin da shark farmaki da marine dabbobi kamar like. Ta hakora iya kama mafi bambancin abinci. Sharks musamman domin farautar Yunƙurin zuwa ruwa surface.

Hoton na da wani shark rayuwa, haifuwa da kuma kula da zũriyarmu

Members na jinsin hexanchus rayuwa shi kadai, kuma suna daga cikin ovoviviparous. mafarki ba zai fara a lõkacin da shark 200 cm a tsawon. Bayan hadi tãyuna ci gaba a cikin mace jiki - mutum daya ne zai iya ba da haihuwa zuwa 100 Pups tsawon na 70 cm Kamar haka tun da haihuwa na live zũriyarsu da kansa a cikin kududdufi ruwa, ba tare da kula da kuma kariya daga adult kifi .. Duk wadannan matsananci yanayi, ciki har da kifayen teku samu a gwada high rayuwa kudi.

A hadarin da mutane

Duk da karaya da razanarwa bayyanar, m Bluntnose Sixgill Shark babban wani hadari da mutane. Haka kuma, a lokacin da na sadu da shi a predator fi son zuwa taso kan ruwa tafi a cikin zurfin. Duk da haka, idan akwai lokacin da babbar mutum farmaki a 24-shekara mai nutsa Stephen Foggarti wanda ya nutse a kasa na Lake Illawarra, located in Australia. Sai shark mutumin cije, ta hanyar da dama kafa, da kuma ya ya iya tsira kawai godiya ga dace taimako bayar.

Shi ne ya kamata a lura da cewa Bluntnose Sixgill Shark aka kama wannan shekara a Ireland. Its m nauyi ya ba kasa da 680 kg tare da wani jiki tsawon zuwa 7.5 mita. Masana ga predator kawai bayar da hotunan - shi ba zai yiwu ba ku auna nauyi da su. Wannan shi ne babbar shark kama a kan a Turai a koto. Saboda haka, 26-shekara Banasare Ben Bond (Fisher-lover tare da kwarewa) fiye da sa'a guda ba zai iya dauke su ganima ga surface, sa'an nan hoton ta, ta cire ƙugiya, kuma a hankali saki.

"Ban ji tsoro ba, muddin dai ja daga. Ina ma gudanar da su sa'an nan duba cikin ta babbar jaws ", - ya ce Bond.

Ma'aikata a lokuta da kiwon kifi management a Ireland tuna cewa a kama kifi a cikin wannan hanya ne shari'a kama kifi. Sport kama kifi a lokacin da gumãkan aka ba a kashe, da kuma sake shiga cikin daji, an yarda a kasar.

Masana kimiyya tunatar da mu cewa hexanchus ne mafi tsufa mambobi ne na iyalin cikin rayayyu. Sun bayyana game da miliyan 200 da suka wuce. Har ila yau, mutane sukan kira saniya shark saniya ko a cike da laka.