Fuskantar-ruwa shark bakwai (Notorynchus cepedianus) kifi ne mai ɗauke da nama.
Rarraba babban yanki shark shark.
Ana samun manyan kifaye masu sanƙarar ruwa guda bakwai a cikin dukkan tekuna banda Tekun Atlantika ta Arewa da kuma Bahar Rum. Yankin ya fadada daga kudancin Brazil zuwa arewacin Ajantina, kudu maso gabas da kudu maso yamma sassan Tekun Atlantika. Ana samun wannan nau'in kifin na kifin a kusa da Namibia a Afirka ta Kudu, a cikin ruwan Kudancin Japan har zuwa New Zealand, kazalika kusa da Kanada, Chile, a gabashin yankin Pacific. An yi rikodin sharks bakwai a cikin Tekun Indiya, amma, amincin wannan bayanin abin tambaya ne.
Wurin zama na shark mai hawa bakwai.
Sharananan yankakkun manyan shark ne ƙwayoyin halittar ruwa masu haɗi da keɓaɓɓiyar yankin. Suna zaune cikin zurfin jeri da yawa dangane da girma. Manyan mutane sun fi son zama a cikin zurfin teku har zuwa mita 570 kuma ana samun su a wurare masu zurfin ruwa. Areananan samfura ana ajiye su a cikin zurfin, ruwan gabar teku a zurfin ƙasa da mita ɗaya kuma ana rarraba su a cikin raƙuman ruwa masu zurfin kusa da gabar ko bakin kogi. Fuskantar ruwa sharl-gill bakwai-bakwai sun fi son wuraren da ke ƙasa mai duwatsu, kodayake galibi suna iyo kusa da laka ko ƙasan yashi. Semigill sharks sun fi son yin sannu a hankali, sannu a hankali kusa da gindin murfin, amma wani lokacin suna iyo a saman ruwa.
Alamomin waje na shark-mai shar-shar bakwai.
Flat-shark yankakken yanyan kifayen suna da rami guda bakwai (akasarin yan kifayen suna da biyar ne kawai) wadanda suke a gaban jiki kusa da fika-fikai. Kan yana da fadi, an zagaye shi da gajere, karshen gaba mara kyau, wanda a kansa bude baki yake tsaye, kananan idanu kusan ba a iya gani. Finarshen dorsal ɗaya ne kawai (yawancin kifayen kifayen suna da fika-fikai biyu), yana can nesa da jiki.
Hannun finafinan heterocercal da na finafinai sun fi ƙanƙanwar ƙarewa. Launin kifin shark a baya da gefuna launin ruwan kasa ne masu launin ja, launin toka mai ƙyalli ko launin zaitun. Akwai kanana da yawa, baƙaƙen fata a jiki. Ciki mai kirim ne Hakoran da ke cikin ƙananan muƙamuƙi suna kama da kwatankwacin haƙoran da ke cikin muƙamuƙin na sama suma suna yin layi ne mara daidai. Matsakaicin matsakaici shine 300 cm kuma mafi girman nauyi ya kai 107 kg. Sabbin kifayen da aka haifa suna da girman cm 45 zuwa 53. Maza na balaga tsakanin 150 zuwa 180 cm tsayi kuma mata na kai wa ga balaga tsakanin 192 zuwa 208 cm Mata yawanci sun fi maza girma.
Kiwan farantin-shark mai hawa bakwai.
Flat-fis yankakke sharks suna kebanta lokaci-lokaci kowace shekara. Mata suna ɗaukar zuriya don watanni 12 kuma a cikin bazara ko farkon bazara suna motsawa zuwa raƙuman ruwa masu zurfin ciki don haihuwar soya.
Na farko, qwai suna girma a cikin jikin mace kuma amfrayo suna karbar abinci daga jakar kwai.
Gwanayen kifayen kifayen kifayen 'yan kifayen' kifayen kifayen 'sharkill-bakwai sun ba da toya 82 zuwa 95, kowannensu ya kai tsawon 40 zuwa 45. A cikin' yan shekarun nan na farko, yara masu kifayen yara sun kasance a cikin raƙuman ruwa masu zurfin teku waɗanda ke ba da kariya daga masu farauta har sai sun kai shekarun yin ƙaura zuwa mazaunin teku. Ba a san matsakaicin shekarun haihuwa na manyan kifaye masu kaifi ba, amma ana jin cewa mata za su hayayyafa tsakanin shekara 20 zuwa 25. Suna haihuwar zuriya duk bayan shekaru biyu (kowane wata 24). Wannan nau'in kifin na kifin yana da ƙarancin haihuwa, soya suna da girma, samari yan kifayen suna girma a hankali, suna yin latti, suna rayuwa tsawon lokaci kuma suna da rayuwa mai girman gaske. Bayan haihuwa, samarin kifayen kifayen nan da nan suna ciyar da kansu, manyan kifayen ba sa kula da zuriyar. Akwai ƙaramin bayani game da tsawon rayuwar masu manyan tsaunuka. An yi imanin cewa suna rayuwa cikin daji na kimanin shekaru 50.
Halin hawan shark mai hawa bakwai.
Flat-sharks shar-bakwai sharks sun kafa ƙungiyoyi yayin farauta. Yunkurinsu na neman abinci a cikin raƙuman ruwa suna da alaƙa da ebb da gudana. A lokacin bazara da lokacin bazara, kifi na ninkaya a cikin rami da tsattsauran ra'ayi, inda daga nan suke kiwo kuma suna ba da zuriya. A wadannan wuraren suna ciyarwa har zuwa kaka. Suna komawa wasu yankuna lokaci-lokaci. Flat-shark yankan manyan yankuna suna da kyakkyawar fahimta game da sunadarai, suma suna gano canje-canje a matsa lamba na ruwa, kuma suna amsawa ga ƙwayoyin da aka caje.
Ciyar da babban leda mai nisan kwana bakwai.
Flat-sharks shar-bakwai sharks ne masu cin karfin komai. Suna farautar chimeras, stingrays, dolphins, da like.
Suna cin wasu nau'ikan kifayen kifin da kuma nau'ikan kifaye masu kamala kamar su ganyaye, kifin kifi, sinadarai, da gawar, gami da matattun beraye.
Kwararrun masharhanta guda bakwai manyan mafarauta ne waɗanda ke amfani da na'urori da dabaru iri iri don kamo abincin su. Suna bin ganima cikin rukuni ko kwanton-bauna, suna labewa sannu a hankali, sannan suna kai hari cikin sauri. Jawananan muƙamuƙin yana da hakora masu kaifi, kuma haƙoran da ke cikin muƙamuƙin na sama suna da ƙarfi, wanda ke ba wa waɗannan kifayen kifin damar ciyar da manyan dabbobi. Lokacin da mai farauta ya yi cizo a cikin abincinsa, haƙoran da ke kan ƙananan muƙamuƙin, kamar anga, suna riƙe abincin. Shark yana motsa kansa baya da gaba don yanke yanyan nama da haƙoransa na sama. Da zarar sun cika, kifin yana narkar da abinci na wasu awowi ko ma na kwanaki. Irin wannan cin abincin yana ba wa shark damar ciyar da farauta har tsawon kwanaki. Kowace wata, babban mutum shark mai narkar da ruwa bakwai yana cin kashi ɗaya cikin goma na nauyinsa.
Tsarin halittu na shimfidar-shark mai hawa bakwai.
Kifayen sharks masu kai-tsaye bakwai masu cin nama ne waɗanda suka mamaye saman dala na muhalli. Akwai karancin bayani game da duk wani sakamakon da zai biyo baya game da wannan nau'in. Manyan kifaye ne ke farautar su: babban farin da kifin kifi.
Ma'ana ga mutum.
Flat-sharks masu gishiri bakwai suna da ingancin nama, wanda ke sanya su jinsunan kasuwanci. Bugu da kari, jama'ar yankin suna amfani da fatar kifin mai karfi, kuma hanta kayan aiki ne na hada magunguna.
Flat-shark yankan manyan sharks suna da damar zama masu haɗari ga mutane a cikin buɗewar ruwa. An rubuta harin da suka kai kan masu ruwa-ruwa a gabar tekun Kalifoniya da Afirka ta Kudu. Koyaya, ya kamata a sani cewa ba a tabbatar da wannan bayanin ba, mai yiwuwa ne su sharks ne na wani jinsin.
Matsayin kiyayewa na mashin shark mai madaidaiciya.
Babu wadatattun bayanai da zasu hada da babban shark shark a cikin Red List na IUCN don yanke hukuncin cewa akwai barazanar kai tsaye ko ta kai tsaye ga mazaunin wannan nau'in. Sabili da haka, ana buƙatar ƙarin bayani don fayyace matsayin shimfidar shark mai madaidaiciya.
