Wannan kifin shark, wanda kuma ake kira Bolsherot shark, yana daya daga cikin nau'ikan kifin sharks uku da suke rayuwa a halin yanzu da ke ciyar da plankton.
Rukunin rukuni guda sun haɗa da babban kifin shark da kifin kifin kifi. Sunan Latin don dogon shark shine sharhin Megachasma pelagios.
Wannan Shark, wanda yake rayuwa mai zurfi, an gano shi a 1976. Kuma a yau shi ne kawai jinsin dangi na manyan-manyan yankuna sharks (Latin sunan Megachasmidae).
Ya zuwa watan Nuwamban shekara ta 2004, ana iya lura da manyan kifayen kifayen da ba su kai mutum 25 ba, kadan daga cikin ne masana kimiyya suka sami damar bincike. Saboda haka, akwai karancin bayani game da mazaunin wannan wannan yanayin, da ilmin jikinta da kuma halayyar ta.
Siffofin
Shahararrun samfurin na dogon zango, wanda yake da ikon aunawa, mace ce ta mutu, wanda aka gano a ranar 19 ga Afrilu, 2001, raƙuman ruwa sun rataye shi a gabar Tokyo Bay kusa da birnin Itihara. Tsawonsa yakai tsawon 5.63. Kuma a ranar 13 ga Maris, 2004, mafi karancin samfurin wannan nau'in kifayen kifayen da aka kama a kusa da tsibirin Sumatra. Ya zama na namiji, tsawonsa ya kai 1.77 m.
Muhimmin abu na waje game da wannan shark shine babban zagaye gajere wanda yake hanci da babbar baki. Saboda nata ne ya sa sunanta. An narkar da babban shark mai launin shuɗi a cikin launin ruwan kasa mai duhu, ciki a cikin inuwa mai haske. Wannan kifin yana da ƙyallen firsal biyu, ƙashin biyu mafi girman girma, ƙoshin ƙyallen fatar yana da siffar asymmetric, da kuma ƙyallen ƙyallen ƙyallen biyu a ciki, tare da ƙananan baya suna ƙanana da na gaba.
Yaɗa
An ga manyan kifin sharks a cikin Tekun Pacific, Atlantika da Indiyawan, mafi yawanci kusa da gabar Japan da California. Wannan yana baiwa masana kimiyya 'yancin yin jayayya cewa an rarraba wannan nau'in kifayen sharks a duk duniya, amma ya ba da fifiko ga ruwa da ke da lamuran ɗumamar yanayi.
Ana tsammanin dabbar ta hanyar manyan kifayen sharri na faruwa a cikin kaka a cikin ruwa kusa da Kalifoniya, tunda a cikin waɗannan wuraren ne ake haɗuwa da mafi yawan adadin mazajen wannan nau'in a lokacin balaga.
Abinci mai gina jiki
Dangane da bincike game da abin da aka samo a cikin ciki manyan matattun kifayen kifayen, ana iya kammala cewa babban abincin wadannan kifayen kananan halittu ne, alal misali, krill. Babban kifin shakatawa yana da ikon sha ruwa, wanda yake buƙatar tacewa. Wannan yana bambanta shi da babban babban abin shakat, wanda kawai zai iya tace ruwan da ke ɗauke da plankton. Manyan kifayen da ke cin ƙananan kifaye ko a'a, har yanzu ba a kafa su ba.
Halayyar
Case ya taimaka wajen nazarin halayen dogon shark. A watan Oktoba 1990, a cikin ruwan teku na Kalifoniya, masanan kimiyya sun sami sa'a don kama ɗa mai rai tare da babban kifaye, wanda tsawonsa yakai 5 mita. A karo na farko, an watsa mai watsa rediyo ta maza a jikin wannan namiji, daga baya aka sake shi. Godiya ga wannan taron, bayanin farko ya bayyana a kan hanyoyin ƙaura na babban-shark, kuma ƙari, a kan motsinsa a cikin tsaye.
Sharan babbann yashi na da asali.
Don haka, masana kimiyya sun koya cewa babban dabbar shark yana ciyar da dare cikin zurfin da bai wuce mita 15. Amma da rana, yana iya nutsewa zuwa zurfin 150 m. canjin yau da kullun a cikin zurfin wuri.
Ganowa
Babu wata tabbatacciyar shaida da ta nuna cewa manyan shahidai sun san mutane a cikin ƙarni na da da da. Koyaya, zamu iya ɗauka cewa su ne suka kafa harsashin almara game da dodanni na teku, waɗanda da alama cakuda kifayen kifaye da kifi.
An yi imani da cewa an ambaci babban babban shark a cikin tatsuniyoyi na tarihi game da dodanni da aka same su a cikin tekun.
A karon farko an kama samfurin wani babban yanki a garin Hawaii, mafi kusa da tsibirin Oahu, wanda aka tattara a ranar 15 ga Nuwamba, 1976, wanda daga baya aka bayyana shi. Wannan samfurin ya zama na miji, tsawon mil 4,66 .. Ma'aikatan jirgin ruwa na Amurka suka kama shi, wanda ya gano cewa wannan namijin yana kokarin ciza igiyoyin a cikin ruwa, sakamakon shi kansa ya saka kansu. An yi nazarin wannan mutumin a hankali. Tsoro na wannan namijin da ke da babban kifin har yanzu yana cikin gidan tarihi na Honolulu.
Idan kun sami kuskure, da fatan za selecti yanki na rubutu kuma latsa Ctrl + Shigar.
Haraji
- Umarni: Lamniformes (Lamniformes)
- Iyali: Babban Sharks (Megachasmidae)
- HALITTA: Babban Shark (Megachasma)
- Yankuna: Shahararrun shark na fata (Megachasma pelagios, L. R. Taylor, Compagno & Struhsaker, 1983)
Kawai jinsin a cikin danginsa.
Habitat
Saboda karancin bayanai game da wannan shark, iyakokin iyakarta suna da wahala a tantance. Da alama, tana zaune a cikin zurfin-zurfin teku mai dumbin yawa a cikin tekuna masu dumbin yawa, inda aka kama samfuran keɓaɓɓu. Mafi sau da yawa, bolsherotov an kama su a bakin iyakar Japan da California.
Yin hukunci game da yanayin abincinsa, ana iya ɗauka cewa babban kifin shark ɗin shima ana samun shi a cikin ruwa mai sanyi, ƙarin cike da krill da sauran zooplankton.
Girma
A shekara ta 2004, a bakin tekun Japan, kusa da birnin Itihara, an gano mafi girman samfurin dogon-shark, wanda tsawonsa ya kai mita 5.63. Wata mace ce matacciya, wadda taguwar jikinta ke ɗauke da ita. A cewar masana kimiyya, wannan girman ba iyaka bane ga Bolsherot. Wataƙila sun kai fiye da 7 m a tsayi da nauyi har zuwa tan 1.5.
Mafi karami daga cikin mutanen da aka kama sun kasance kaɗan kaɗan da mita ɗaya da rabi a girman (2004, kusa da Tsibirin Sumatra).
Bayyanar
Babban mahimmancin bayyane na Bolshevik shine babban kai da babban bakin, godiya ga wanda kifin ya samo sunanshi. Shugaban yana da siffofi masu zagaye, bangaren gaba baya daukar nauyin gaba, kamar mafi yawan sharks. Hakora ƙanana ne, suna goge jawashin kifin. Dalilinsu shine tace ruwa, hana tserewa daga zooplankton da aka afka cikin bakin.
Launi na baya shine launin toka mai duhu ko launin ruwan kasa-brown. Angaren ventral na jiki haske ne. Fins ya haɓaka, farin cikin caudal - tare da dogon lobe (heterocercal).
Sai kawai cikin ruwa ɗan jikin kifayen suke da kyawawan sifofi - lokacin da aka dawo dasu akan ƙasa, zai zama marasa tsari a ƙarƙashin nauyin kansa.
Abincin
Abincin don bolsherot shine ƙananan halittar ruwa na ruwa - zooplankton. Ta hanyar ma'anar, ana kiran kwayoyin halittu, basu da ikon yin motsi a cikin ruwa. Jirgin ruwa kawai da raƙuman ruwa suna aiki azaman injin plankton. Masu cin abincin Plank suna matukar son liyafa akan krill - wasu ƙananan crustacewan da ake dasu a cikin shirin ruwan teku da tekuna.
Ka'idar cin abinci bolsherotov iri ɗaya ne da na danginsa da abokan gasa na abinci - ƙato da kuma manyan kifayen kifi. A ko'ina cikin buɗe babbar bakin, maharmaru tana kama ɗumbin ruwa kuma, tacewa ta hancin hakora da hakora, suna fitar da plankton.
Me yasa aka kira yan Shark?
Manyan kifin kifayen kifaye masu girma, masu nauyin har 1.5 ton (suna yin hukunci ta hanyar samfuran da aka kama) kifi. Kyakkyawan kai tare da hanci mai kyawu da buɗe baki yana haifar da kyakkyawan kyakkyawa. Amma, ba kamar makwabta na teku ba, suna ciyar da krill, kamar manyan kifayen kifayen kifi.
Bakin dodon bakin teku na iya kaiwa nisan mita 1, tare da tsawon jikinsa ya wuce mita 5.
Fata na bolsherot yana da launin toka mai haske, dan kadan kadan akan ciki.
Ba a yi nazarin mazaunan manyan ƙasashen kifaye masu kifaye masu yawa ba, amma an samo su a cikin Tekun Pacific, Indiya da Atlantika, kuma suna ƙoƙari su kusaci kusa da latitude masu ɗumi.
Kalli bidiyon - Babban Shark:
Siffofin Hali
Yankin kifin sharki ya fi son wuraren da ke da zurfin teku. Tana ziyartar zurfin ƙasa da mitoci 20 a cikin dare kawai, tana bin krill hawa sama. Yin hukunci da tsarin jikin mutum, bolshera jinkiri ne. Saurin “jirginsu” yayin tattara samarwa bai wuce 2 km / h ba.
A watan Oktoba 1990, wani namiji mai rai da aka kama kusa da California ya shiga hannun masana kimiyya. Tsawonsa ya kai mita 5. Masana kimiyya sun sami damar shigar da kayan jigilar kayayyaki da na’urorin a jikin sa, sannan kuma su saki sharkin ‘yanci.
Fiye da kwana biyu, masu binciken suna da damar da za su sanya ido a kan motsin wani magidanci mara galihu ta hanyar aika sakonni. An gano cewa Bolsheros suna yin ƙaura na yau da kullun a tsaye, suna motsawa bayan krill. Babban mai shiga ƙirjin gwajin ya shafe daren a wani zurfin fiye da 150 m, a lokacin day a tashi zuwa zurfin mita 15.
Abubuwan ban sha'awa na Bolshevik shark
Hanya mai ban sha'awa don ciyar da waɗannan kifayen. Bolsherot yana buɗe bakinsa baki ɗaya, tare da leɓun farin ciki wanda ya liƙe tare da murɗa, murfin plankton mai ban sha'awa. Wani rafi na ruwa, tare da kananan wadanda abin ya shafa, suna wucewa ta bakin kuma suna fita ta cikin gulmar da ke gudana. Koyaya, gillth outgrowths yana farawa akan hanyar krill, yana aiki ta hanyar sieve ko tace.
Yankunan waje, ko "stamens" suna a yawancin lokuta, kuma suna da 15 cm tsayi. Gian girma bolsherot yana matse harshensa mai kauri zuwa sararin sama, ruwa yana tura shi, ƙaramin ɓacin rai kuma yana kan turɓaya. Sai dodo ya tura krill cikin makogwaron, da wayayyun masu hankali, suna ƙoƙarin fita ta bakin, da dabara suna kame ƙananan hakora.
Wannan hanyar ciyarwa shine halayyar kifi Whales. Koyaya, yayin da kifi Whales da sauran krill-masu cin abinci suna wucewa da ruwa kaɗan ta bakin, babban gizaran ɗin yana da ƙarfin ɗan abincinsa.
Sau ɗaya cikin garken ɓawon burodi, yana haɗiye kowane minti 4.
Hakoran lebe na bakin teku suna cikin layuka 23, kowannensu yana. Af, ba a sani ba ko gizon chimera na iya kai hari ga babban kifi.
Wane bayani masana kimiyya suke da shi game da kifayen teku?
Tsarin jikin bolsherot baya ba shi damar iyo da sauri. Wannan kifin mai jinkirin yana da kasusuwa mai laushi. Tsokoki masu taushi suna haifar da abin mamakin jikin mai ruwa, mara nauyi. Wannan tsari na Shark bai yarda mata nutsuwa ba.
Af, kasancewar lebe ya sa ya yiwu a kira dabbar dabbar dabbar dabbar da ke da haske a cikin teku.
Slowanin tann-ton mai yawa zai iya wahala daga maƙwabta masu zafin rai. Sau da yawa ana kai hari bolsherot mafi girma da tsintsiya - perches dutse. Wadannan kifayen, suna amfani da jinkirin shahadar, tsage abubuwa daga gawawwakin layu, wani lokacin ana jan su zuwa ramuka.
Kari akan haka, babban ruwan teku na iya zama lamari mai kyau ga mataccen kifi wanda ya hadiye babban kifayen bakin teku.
Bayan an sanya injunan motsa jikinsa a jikin wata katuwar babbar gigicewa. Ya bayyana cewa waɗannan kifayen ƙaura suna yin ƙaura na yau da kullun: yayin rana suna sauka zuwa zurfin mita 120-160, cikin dare suna tashi zuwa mita 23-12.
Haka kuma, yana da ban sha'awa cewa hauhawar tudu ta dogara da matakan haske. Plankton shima yayi irin wannan ƙaura, amma haskaka musu, wadataccen abinci, da abubuwan gishiri.
Don haka, ba lallai ba ne cewa ƙungiyoyi na lipcoats na teku suna ɗaure su da ƙungiyoyi na ƙananan crustaceans. Kawai dai manyan gizan-da ke da kwarjini sun san a wane lokaci ne kuma a wane zurfi suke da karin krill da suke so, kuma suna bin ganima.
Kalli bidiyon - Babban taron dan adam da babban Shark:
Kiwo
Kamar sauran yankuna na zamani, bolsherot nau'in ovoviviparous ne. Tayi ciki, haɓakawa da ƙyanƙyashe ƙwai yana faruwa a cikin mahaifar.
Mating, mai yiwuwa, yana faruwa ne a faɗuwar tekun California, inda yawancin mazajen da suka manyanta ke kama su.
Hadari ga mutane
Kamar kowane daga cikin magabatan planktonivorous, babban kifayen bakin teku na iya jefa hatsari ga dan adam saboda girman jikin sa, wanda wani kogi ne yake iya hadarin shi wanda yake son ya fashe a zurfin rabin kilomita.
Megachasma pelagios ) yana ɗayan nau'ikan kifin sharks uku da aka sani da ilimin kimiyya waɗanda ke ciyar da plankton (ban da Whale da manyan kifin sharks). Tun lokacin da aka gano wannan babban bakin teku a shekara ta 1976, ya kasance shi kadai ne jinsin dangi a cikin manyan yankuna masu amfani da teku (lat. Megachasmidae ) Har zuwa Nuwamba, kasa da samfurori 25 aka lura, waɗanda kaɗan ne kawai suka sami damar yin binciken kimiyya. Karancin abubuwan da aka sani game da ilmin jikin mutum, dabi'a da kewayon wannan kifin.
Bayyanar
Muhimmin fasalin sauran kifin shine kasancewar babban bakin, wanda yatsa ya kama. Godiya ga wannan, kifin ya samo sunanta. Shugaban ya fi girma, tare da gajeren hanci. Jikin yana raguwa da taushi, launin ruwan kasa mai duhu a launi, amma ciki mai haske ne. Kasancewa da kwarangwal mai laushi, maharbi a hankali yana iyo kuma yana jagorantar rayuwar rayuwa. Ya girma zuwa mita 5.5. Weight zai iya kaiwa har zuwa ton. Maza suna kanana fiye da mace.
Abin da ke ci da farauta
Ofaya daga cikin nau'ikan kifayen kifaye biyu da ke ciyar da plankton. Suna son naman krill sosai. Don farautar ganima, suna da makami mai inganci - bakinsu tare da buguwa ta azurfar, wadda take azaman "ƙarin haske" don krill. Za'a iya ganin hakan kawai lokacin da kifin ya tura babban muƙamuƙi sama. Abin sha'awa shine, wannan kifin zai iya tace ruwa ta hanyar tsarkewar farin ciki, ya bar abinda yake ci kawai.
Duk da cewa wadannan manyan sharks ne, amma basa haifar da wata barazana ga mutane.
Yadda babban dabbar sharhol yake dasu
Dabbar ta hanyar canjin yanayi tana faruwa ne a cikin watan Satumba, galibi a bakin tekun California. Sharks haifuwa ta hanyar oviposition.
Duba zaɓi na hotuna:
Photo: Pelagic babban abin yayyafa a cikin teku.
Bidiyo: Sharkullen shark a duniya
Bidiyo: A CIKIN PHILIPPINES SAUKI KYAUTA
Bayan shekara ta 1976, ya zama a bayyane cewa a cikin duniya yanzu ba biyu ba, amma nau'ikan kifayen kifi uku ne ke ciyar da plankton. Na farkon su biyu manyan 'yan Shark ne, na ukun kuwa babban shi ne yaddar da yanko. Abin da ya ba kowa mamaki wannan kifin, ina tsammanin, ya bayyana sarai daga sunan ta. Babban shugaban Shark ya ƙare a bakin babban abin mamaki, wanda yake buɗe mafi fa'ida fiye da sauran nau'ikan kifayen kifayen.
Gano binciken ya faru ne a ranar 15 ga Nuwamba, 1976, lokacin da jirgin ruwan ruwa na Sojan Amurka ya gudanar da bincikensa a tsibirin Hawaiian. A ranar, jirgin ruwan ya yi zurfin zurfin mita 4600 saboda haka ba zai iya barin angare na yau da kullun ba. Mun yanke shawarar rusa ansar guda 2. Bayan ƙarshen binciken, lokacin da aka ɗaga su, sun gano a ɗayansu kifayen kifayen da baƙon abu mai girma. Ta juya ta zama mai girman-mil 446 na shark-bolsherot, wanda nauyinta ya kai kilo 750. Wannan katon kifin an canja shi zuwa gidan kayan tarihi na Honolulu.
Duk tsawon lokaci game da wannan sharkin ya zama ba jita-jita ko ruhu ba. Amma bayan shekaru 8 sai ta sake jin kanta. Taron Bolsherot na biyu an kama shi ne a Tsibirin Santa Catalina (California) a cikin Nuwamba 1984. An aika wannan kwafin zuwa Gidan Tarihi na Los Angeles na Tarihi na Gaskiya. Kuma daga nan ne aka fara gano ire-iren wadannan abubuwan.
Copyaramin kwafi
A lokacin daga 1988 zuwa 1990, an gano karin kifayen 4 (1 a gabar tekun Yammacin Australia, 2 a gabar Tekun Pacific na Japan da 1 a California), a 1995 akwai karin samfurori 2 (kusa da Brazil da Senegal). Da sauransu har zuwa 2004. A cikin duka, daga Nuwamba 1976 zuwa Nuwamba 2004, an lura da samfurori 25, mafi girma daga cikinsu sun mutu ne a cikin watan Afrilun 2004 a bakin tekun kusa da birnin Itihara a Tokyo Bay. Tsawonsa yakai mita 5.63. Wata mata ce. Smallestaramin shark ya kasance namiji, an kama shi a 13 Maris, 2004 kusa. Sumatra. Tsawonsa yakai mita 1.77. Wani samfurin masuntan Philippine ya kama shi a cikin 2005.
Mafi girma misali
Misali mafi sauki
Mafi mahimmancin jikin wannan kifin sharkin shine yayyananunsa masu girman gaske. Canza launi ba ya bambanta da sauran nau'in kifayen katun - launin toka mai duhu ko launin ruwan kasa. Abun ciki ya fi na baya kyau.
Launin launin toka
Tunda dukkanin sharks suna cikin ajin kifayen kifayen, to wannan ba ita bace ba. Kasusuwa na bolsherot ya ƙunshi gurneti mai laushi, kuma kyallen takarda suna cike da ruwa. Sakamakon wannan, kifin ba zai iya samar da ingantaccen gudu ba lokacin iyo, saboda haka matsakaicin saurinsa shine kusan kilomita 2 / h.
A farkon farkon bayanin, mun riga mun faɗi dalla-dalla game da abincin ta. Babban abincin da ke tattare da sharholiyar Bolshevik shine plankton (crustaceans, jellyfish, da dai sauransu), wanda aka fi son jan bishiyar crustaceans, musamman su krill, suna rayuwa a zurfin zurfin. Yankin babban kifin, ya yi tuntuɓe a kan garken krill, ya buɗe bakinsa kuma ya tsotse a cikin babban ruwa kuma, ta matsa harshenta a kan tudun, ta matse ruwan ta ta hanyar ruwan gwal. Yawancin kananan hakora suna toshe hanyar tsadar krill. Bayan ya tace ruwa, kifin shark ya haɗiye duk abin da ya saura a bakin.
Babban bakin da ke da kananan hakora
Bude baki
Yankin babban kifin shine babban kifi mai pelagic, shine, yana zaune a yankin mesopilagil (zurfin mita 150-500). A dare, yakan tashi kusa da saman, kuma lokacin da rana take zurfin zurfafa.
Wannan kifin yana zaune a cikin yanayin ruwan sanyi na tekun 3: Atlantika, Pacific da Indiya, amma galibi ana samunsa a bakin tekun California da Japan.
Habitat
Balaguro, a cewar masana ilimin halittu, yana faruwa ne a faɗuwar tekun California, saboda a can ne aka sami mafi yawan mazaje maza. Kamar sauran yan kifayen sharudda, Bolshevik shark ne ovoviviparous.
Tarihi da tatsuniyoyi
Babu wata hujja da ta nuna cewa an sanyan manyan kifin sharhin ma'adanai a cikin karnin da suka gabata. Zamu iya ɗauka cewa waɗannan mutane sun zama tushen yawancin almara game da haɗuwa da kifayen kifi da kifayen sharks.
Yawancin mutanen bakin teku suna da labarun ciki wanda suke ba da labarin game da taron mutane da manyan dodanni na teku. Ofaya daga cikin almara yana ba da labarin rabin-shark-rabi-Whale tare da babban bakin.
Daga ina ne sunan ya fito?
A cikin sunan wannan sharkin akwai kalmar "mai dogon gashi". Tare da wannan suna, mutane sun ba da kifin al'ajibin don babbar magana. Kuma sun kira shi "baƙar fata" saboda yanayin zama. An ɗauka cewa wannan ɗayan yana zaune a yankin mesopilagil, zurfin daga 150 zuwa 500 m Amma har yanzu masana kimiyya ba su da tabbas game da wannan. An yi imani cewa yana iya nutsewa zuwa zurfin zurfafa.
Habitat
Ana samun babban daskararren babban tabarau a cikin duk teku, sai dai Arctic. Mafi yawan abin yana fitowa ne a cikin kogin kudu. Mafi sau da yawa, ana iya samun pelagios na Megachasma a gefen tekun California, Japan da Taiwan. Masana kimiyya sun yi imanin cewa wannan kifin na musamman an rarraba shi a duk faɗin duniya, amma har yanzu ya fi son zama a cikin wurare masu ɗumi da zafi. Wannan ya tabbatar da gaskiyar cewa an kama babban kifayen bakin teku kusa da Hawaii, South Australia, Afirka da Kudancin Amurka. Ana ganinta koyaushe a bakin tekun Ecuador.
Bayan labarin tare da mutum na farko, an kama na biyun bayan shekaru takwas kawai, kusa da tsibirin Santa Catalina, a cikin 1984. An aika da kifin shark a cikin Gidan kayan tarihi na Los Angeles. Bayan wannan, ana ganin manyan kifaye sau da yawa. Daga 1988-1990 An hadu da su a bakin Yammacin Australia, Japan da California. A cikin 1995 - a bakin tekun Senegal da Brazil.
Bayanin
Yankin babban kifin, babban hoton shi, a cikin wannan labarin, nasa ne, kamar kowa, ga aji na kerekere. Skeaƙƙarfan katako ne mai taushi. Yankunan ruwa suna dauke da ruwa mai yawa. Sabili da haka, babban kifin mai motsi yana da saurin hawa (gudun kusan kilomita biyu a kowace awa). Ba za ta iya ci gaba da sauri ba a zahiri. Girmansa ya kai tan miliyan daya da rabi, wanda hakan ke sanya shi jinkirin da jinkirin.
Jikin yana da kyau da taushi, halayyar masu zurfin teku. Amma irin wannan tsari baya barin mata nutsuwa. An shirya hakora a cikin layuka ashirin da uku. Kowane ya ƙunshi kusan kananan cloves 300. Bakin da ke gefen bakin ya kewaya da wani hoto, wanda ke taimakawa yaudarar plankton da karamin kifi. Godiya ga ƙwaƙwalwar ƙwayar phosphorescent, ana ɗaukar shark a matsayin kifi mafi haske.
Girmarsa ya kai nisan mitoci, kuma tsawon jikin mutum ya fi biyar. Canjin wannan kifin shark yana kama da kifin kisa. Sabili da haka, wani lokacin ana kuskure ga babban kifi whale. Jikin babban Shark ya yi duhu. A saman baki da launin ruwan kasa ne, ciki kuma fari. Ya bambanta da sauran nau'in tare da babban bakin launin toka (ko launin ruwan kasa). Fuskarta ta bushe. Wannan kifayen ban mamaki babban mutum ne, mai koshin lafiya kuma yana da aminci ga mutane, kodayake kamannin sa suna da matukar ban tsoro kuma yana iya tsoratar da jahilai.
Abubuwan da ba a bayyana sirrin babban maharbi ba?
Abin sha'awa shine, ilmin jikin bolsherot ya fi dacewa. An yi imani da cewa kafin waɗannan kifayen kifin suna kusa-ƙasa, amma saboda dalilai masu ban mamaki sun tashi zuwa tsakiyar ruwa, don haka wani mutum ya gano su.
Littlearamin sani game da kiwo na manyan giantsattayen teku. Koyaya, kuna yin hukunci da adadin samfuran da aka kama kusa da California da Hawaii, ana iya ɗauka cewa canjin can yana faruwa a lokacin kaka.
Sharan babban kifin shakatawa kaɗan kaɗan ke bayyana sirrinsa ga masu bincike. Kasancewa mafi yawan karatun kifayen da ake koyarwa, kowane ɗayan bolsherot da aka kama yana zama abin mamaki.
Asusun bada lamuni na Duniya ya sanya jinkirin kwastomomi a cikin jerin. Amma rashin kariya daga wadannan kifayen kifayen masu kyawun yanayi yana sa su zama araha ga dabbobi da na mutane.
Kwanan nan, a cikin Filipinas, masunta sun kama wannan dabbar da ke da wuya a teku. Labarin ya bata duniyar duniyar mamaki, amma ba a dauki wani mataki ba.
Shin da gaske za mu rasa babbar gizan teku ba tare da saninsa da gaske ba? Ko kuwa Bolsherotas zai sake ɓoye a ƙarƙashin lokacin farin ciki na ruwan teku ya kwashe sirrinsu zuwa ƙasa?
) Tun lokacin da aka gano wannan babban bakin teku a shekarar 1976, ta kasance ita kadai ce sanannen dangin da aka sani. Ya zuwa watan Agusta na 2015, mutane 102 ne kawai aka samu, waɗanda kaɗan ne kawai waɗanda ke iya binciken kimiyya. Karancin abubuwan da aka sani game da ilmin jikin mutum, dabi'a da kewayon wannan kifin.
An fara bayanin jinsunan ne a shekarar 1983. A ranar 15 ga Nuwamba, 1976, wani saurayin sabon dabba ya kama wani jirgin ruwan bincike a tsibirin Oahu a Hawaii wanda ke ƙoƙarin cin kebul ɗin cikin ruwa ya makale a ciki. An yi nazarin dabba a hankali, kuma a yau ana adana dabbar da aka ajiye ta a cikin Gidan Tarihi na Honolulu. A shekara ta 1997, bisa wani bincike game da RNA, an gano cewa manyan yanko-gobara masu alaka suna da alaƙa da sauran kifin lamiform. Wani bincike mai zurfi game da hakora a cikin 1996 ya tabbatar da cewa manyan kifayen mashin da ke da ruwa da yawa sun kasance wata kungiya da ke da alaƙa da ƙabilar fata, ta zama yashi, fasi-fici, fox da harajin kifin shark. An ɗauka cewa ɗauka halayen ilimin likitan hakori na iya zama sakamakon daidaituwa kuma baya nuna kusanci da lalai. Sunan ƙasa ya fito ne daga kalmomin Helenanci. μέγας - “babba” da Girkanci. - “abyss”, “abyss”, da kuma jinsuna daga kalmar Girkanci. - “wanda ke a cikin teku”, “zurfi” kuma ana tarayya da mazaunin waɗannan kifayen.
Ana samun manyan kifayen kifaye a cikin Tekun Atlantika, Pacific da Tekun Indiya. Mafi yawan lokuta, ana samun su a bakin iyakar Japan, Taiwan da Philippines. Daga wannan, masana ilmin halitta sun yanke hukuncin cewa an rarraba jinsi a cikin duniya kuma ya fi son tsawaita zafi. Wadannan kifayen 'pelagic' ana samun su duka a yankin neritic da kuma a cikin teku mai buɗe. Ana samo shi cikin ƙananan m a cikin zurfin 5 m zuwa shelf na yanki na 40 m zurfi, kuma a cikin teku mai buɗewa har zuwa 1500 m, yawanci a cikin kewayon 120-166 m. Launi da mai mai a cikin hanta suna nuna cewa aibanta ne maimakon wani nau'in teku mai zurfi.
Babban sikelin wanda aka ƙaddara shine ƙwace na mata 5.70 m cikin saƙar a cikin Sagami Bay en, Kanagawa, Japan, kuma an gano a ranar 2 ga Mayu, 2006. An sake ta, amma, daga baya aka iske ta mutu. Manyan da suka gabata tsohuwar mace ce mace mai tsawon 5.63, wacce aka wanke a ranar 19 ga Afrilun, 2004 a kusa da garin Itihara a Tokyo Bay. Smallestaramin samfurin misali ya kasance namiji, an kama shi 13 Maris, 2004 kusa da tsibirin Sumatra, wanda girmansa ya kai 1.77 m. Alamar da za'a iya gani a waje wacce babban shahararren danko ke amfani da shi sunanta babba mai zagaye ne da gajere da hanci da babbar baki. Tsawon kai na iya zama daidai da jiki. Gano yana da gajeru, flattened da zagaye. Idanun suna da girma, tsayin su ya kasance daga 1.6 zuwa 1.8% na tsawon jikin. Gill slits suna da elongated, tsawonsu shine 6.4-8.6% na tsawon jikin. Ba su shiga saman kai daga kai ba. Uku biyu na gill ɗin karshe suna saman saman ƙyallen. Gills din yana sanye take da matakai masu yatsu masu daskarewa (stamens) wadanda ke da guringuntsi a ciki. Suna Geza rufe waje na gill slits. Babbar bakin tana jujjuyawa cikin baka. A jaws protrude karfi. Hakora ƙanana ne, masu girma. Jikin yana da silima, mai farashi, mara nauyi kuma mai walƙiya. Kara Caudal kara, lateral carina ba ya nan. Akwai karamin precaudal daraja. Placoid flakes suna ƙanana da laushi. Launin baya ta mai launin shuɗi ne, ciki nata saukakke. Babban babban kifin yana da ƙyallen firsal biyu, ƙoshin ashinti daya. Babban lobe na cinikin caudal yana da tsawo, ƙananan lobe yayi gajere amma yana da ƙarfi. Peaƙƙarfan ƙa'idodi suna da girma, fadi da elongated. Insashin ventral ɗin yana da girman matsakaiciya, ƙanƙane fiye da ƙashin ƙwallan na ciki da kuma fin din farko. Finarshin dorsal na farko babba ne sosai, girma cikin siffar, fin na biyu yayi sau biyu. Gefen fin din bayan farko yana kasancewa ne a bayan gindin gwiwar. Tushen ƙarshen murfin na biyu ya ta'allaka ne tsakanin gindin ventral da ƙashin hakoran kafa. Karyan kashin baya yana da rauni. Jimlar vertebrae 151, vertebrae a cikin akwati na kashin baya 64. Baƙin ciki na ciki yana da 23-24.
Teethan ƙaramin hakora, matakai masu yawa da ke da yatsa wanda ke juyar da abin da ke jikin ɓarna, da kuma nazarin abubuwan da ke cikin ciki na dabbobin da suka mutu sun nuna cewa manyan kifayen ƙwallon ƙafa, kamar manyan gilashi, kifayen kifayen da wayoyin hannu, suna keɓance halittu waɗanda suka danganta da ƙananan kwayoyin halitta kamar krill. Koyaya, jikin mai lalacewa, kwari mai laushi, karin ƙoshin asymmetric caudal da ƙarancin calcification na kashin baya suna nuni da cewa wannan nau'in yafi ƙarancin aiki idan aka kwatanta da sauran sahabbai masu haɗawa. Abun Lura da babban kifin shark da alama suna tabbatar da wannan hasashe.
An samo Krill, snapods, da jellyfish a cikin manyan yanmutattun kifayen jirgin ruwa. An gano Krill a cikin ciki na babban babban yankan haushi. Thysanopoda pectinata , matsakaicin tsawonsa shine 3.1 cm .. Wannan crustacean yana yin ƙaura yau da kullun, yana motsawa cikin rana tsakanin 300 zuwa 1100 m, ana lura da gungu na wannan nau'in da dare a cikin zurfin 150-500 m (matsakaicin zurfin zurfin 75-525 m).
Wataƙila manyan ƙasƙanƙan sharks suna iyo tare da bakinsu a buɗe ta hanyar yawan krill, lokaci-lokaci suna rufe manyan muƙamuransu da tursasa hanjinsu don adon abinci kafin hadiye. Ofan manyan manyan sharks na ɗaukar hoto yana da haske mai ƙarfin haske, wanda watakila luminesces, kasancewar tarko mai sauƙi ga krill. Zai zama bayyane lokacin da kifin ya tura saman muƙamuƙi sama. Arfin tura muƙamuƙi gaba mai yiwuwa ne ya ba manyan kifin sharri damar tsotse abinci.
Mazan, wadanda aka gano a ranar 29 ga Nuwamba, 1984 da 21 ga Oktoba, 1990 a bakin tekun California, sun yi ɗan lokaci kaɗan, kamar yadda aka tabbatar da ƙarewar maniyyi daga ƙwaƙwalwar ƙwayar cuta, da kuma ƙwaƙwalwa da zub da jini a kansu. Ofaya daga cikin maza a cikin ƙananan muƙamuƙi suna da sabon rauni, wanda ya yi kama da waɗanda ke cikin kifayen fatawowi yayin balaguro yayin riƙe abokin tarayya. Wataƙila a lokacin bazara, manyan manyan kifayen jirgin ruwa suna tafiya cikin ruwa a Kudancin Kalifoniya don yin aure. Pterygopodia na samfurin farko da aka samo na babban kifin-kifi mai zurfi an fasalta su daki-daki. Sun kasance sun kasance na bakin ciki tare da buɗe ido, wanda ya samar da tsari mai sauƙi.
An gano wata mace ta sharce mai tsawon 4.71 m a cikin Japan a ranar 29 ga Nuwamba, 1994. Masu binciken sun yi mata cikakken bayani kuma sun gama da cewa har yanzu ba ta kai ga balaga ba bisa la thatakari da cewa mahaifarta ta faɗaɗa daga ƙarshen daga baya, zazzabin ya kasance talauci mai haɓaka, da siketi, cestodes, amma yawanci ana jefa su ƙasa, saboda sun yi girma da yawa. A matsayin mai ba da izinin nunawa, ana girmama su sosai da tsibirin teku da kayan tarihi. Rashin isasshen bayanai don tantance matsayin kiyayewa
Largemouth shark, ko Babban Shark (lat.Megachasma pelagios) - ofaya daga cikin nau'ikan kifayen kifaye biyu da ke ciyar da plankton (ban da babban kifayen kifayen teku). Tun lokacin da aka gano wannan babban bakin teku a shekarar 1976, ya kasance shi kadai ne jinsin dangi a cikin manyan manyan yankuna masu amfani da wuta (lat. Megachasmidae). Har zuwa Nuwamba 2004, ba a lura da samfurori ƙasa da 25 ba, waɗanda kaɗan ne kawai waɗanda ke iya binciken kimiyya. Karancin abubuwan da aka sani game da ilmin jikin mutum, dabi'a da kewayon wannan kifin.
Siffofin
Measuredimar da aka ƙaddara mafi girma ita ce mace mai mutuƙar 5.63, wadda aka wanke a ranar 19 Afrilu, 2004 a kusa da garin Itihara a Tokyo Bay. Smallestaramin samfurin shine ɗan namiji wanda aka kama a ranar 13 ga Maris, 2004 a kusa da tsibirin Sumatra, wanda girmansa ya kai 1.77 m. Alamar da aka sani ta waje, wacce babban ƙamshin bakin teku ya sami sunan ta, babba ne mai zagaye tare da gajeren hanci da babban bakin. Launin baya ta mai launin shuɗi ne, ciki nata saukakke. Babban kifin yana da ƙone biyu, da babban ƙyallen aski, ƙeƙun ƙyallen babba biyu, da ƙashin ciki guda biyu, wanda ɗayan biyun baya.
Yaɗa
An samo manyan kifin sharhi a cikin Tekun Atlantika, Pacific da Tekun Indiya, galibi, a gefen tekun California da Japan. Daga wannan, masana ilmin halitta sun yanke cewa wannan jinsin an rarraba shi ne ko'ina cikin duniya kuma yana son mafi kyawun latitude. Dankalin zazzagewa, ga alama, yana faruwa ne a faɗuwar tekun California, tunda a wurin ne aka sami manyan maza manya da manyan kifayen kifaye.
Abinci mai gina jiki
Nazarin abubuwan da ke ciki na dabbobi da suka mutu sun nuna cewa ƙananan kwayoyin halitta kamar krill sune babban abincin manyan shahararrun dabbobi. Sabanin babban babban kifin shark, wanda kawai yake tace ruwa mai dauke da ruwa, babban kifin yakasance yana iya jan ruwa don tacewa. Har yanzu ba a san ko ƙananan dabbobi su ma suna cikin abincin waɗannan dabbobin ba.
Halayyar
A ranar 21 ga Oktoba, 1990, masana kimiyya kusa da California sun sami nasarar kama wani maza mai rayuwa mai mita biyar a cikin girman. A karon farko, an sami sananniyar babban kifayen kayan wuta tare da mai watsa rediyo kuma aka sake su. Don haka, aka samo farkon bayanan akan yanayin ƙaura na yanyan shark, gami da motsi a tsaye. Ya zama sananne cewa babban abin shakatarwar yana fitar da daddare a zurfin nisan mita 15, kuma a lokacin day ya nutse zuwa zurfin mita 150. Da alama, kifin yakamata ya biya krill, wanda ke canza matsayin sa mai zurfi a cikin irin saƙo.
Ganowa
Ba zai yiwu a faɗi tabbatacce ba ko mutane sun haɗu da wannan nau'in a cikin ƙarni na baya da kuma cewa shi ne ya samo asali a matsayin asalin tatsuniyoyi game da dodannin teku, waɗanda suke cakuda babban kifaye da kifayen. An fara samun abin dogaro da kai a ranar 15 ga Nuwamba, 1976 a tsibirin Oahu a Hawaii, bayan haka aka bayyana shi. Yaro ne, mai tsawon 4.46 m, wanda wani jirgin ruwan bincike na Amurka ya kama shi, bayan da ya yi kokarin satar igiyoyi a cikin ruwa ya makale a ciki. An yi nazarin dabba a hankali kuma a yau an adana dabbar da aka ajiye ta a cikin Gidan kayan tarihi na Honolulu.
Shahararren siliki na Pelagic shine ainihin mai shirya don harbi fim din tsoro. Duk wanda ya ga wannan dodo tare da babban bakin da zai iya tunawa da wannan taron har abada.
Amma duk da kamannin da ke tattare da shi, babban kifin shakatawa ba shi da ban tsoro ga mutane, tunda abincinsa ya ƙunshi ƙananan jigon shrimps da plankton, kamar ƙaton babban kifin kifin kifin. Haka ne, kuma saduwa da ita a cikin ruwan teku ga mutane wani lamari ne da ba kasala ba: babban mazaunin ta shine wurare masu zurfin teku, wanda wani lokacin yakan kai zurfin mita 150, kuma kifin ya tashi zuwa saman layin mita goma sha biyar da wuya kuma cikin dare.
Farkon haduwa da wani mutum wanda ke da babban kifin ya faru ne a shekarar 1976, lokacin da wani jirgin ruwa dan Amurka ya yi nazari kan tekun Bahar Rum kusa da tsibirin Hawaiian. Zuwa zurfin sama da mita 4600, an saukar da barori biyu na musamman sannan aka ɗaga jirgin a kan jirgin, wanda ke tallafawa jirgin a cikin raƙuman ruwa na teku. A cikin ɗayan kayan, an tattara murfin an ɗaure a cikin kabarin har yanzu ba a tashi ba. Tsawon kifin yakai mita 4,66, girman bakinsa ya firgita sannan kowa ya halarci wurin. A wannan lokacin ne aka sa mata suna '' babban sharhin shark '(lat. Megachasma pelagios). Pelagic - saboda ainihin mazauninta shine yankin "mesopilagil" (wato zurfin teku ya kasance mita 150-500), kuma dalilin da yasa yayi girma - kalli waɗannan hotunan kuma komai zai bayyana muku.
Shekaru arba'in masu zuwa, babban shark din ya fadi ya fada hannun wani mutum sama da dozin sau uku, kamar yadda hotuna suka tabbatar, wadannan kuma kananan dabbobi ne daga mita 1.5 zuwa 3 a tsayi.
A shekarar 2004 kawai, mace macen da ke da babban shar ya fadi a hannun masana kimiyya, wanda guguwar ta jefa gabar Japan. Tsawonsa ya kai mita 5.63, kuma a cewar masana kimiyyar, wannan ba iyaka ne na ci gaban kifayen ba, don haka wataƙila wani wuri, a zurfin teku, akwai wakilai masu mita bakwai na waɗannan kifayen. Amma a halin yanzu, waɗannan hasashe ne kawai da zace-zace, kuma ainihin tabbatattun abubuwan gaskiya shine cewa manyan ƙasƙanyan sharks sun watsu ko'ina cikin duniya inda akwai ruwa mai ɗumi. Anyi rikodin babban adadin maza fiye da sau ɗaya a cikin kaka lokacin da aka ƙetare tekun California. Wannan hujja tana bawa masana kimiyya damar yanke hukuncin cewa anan ne wannan lokacin shekarar da ta dace da canjin yanayi. Manyan lamuran suna da matsala, watau mace tana ɗauke da cuba inan cikin mahaifarta kuma an riga an haife kananan sharks. aka buga
Daga ina wannan sunan ya fito?
Babban kifin shakatawa, a cewar kadan daga bayanan bayanan da ke yanzu, suna kama da cakuda kifin khalil da kuma wakilcin wani kifin shark. Iyalin abin da wannan dabbar ita kaɗai ce wakilin da aka karɓi suna da shi saboda manyan hanyoyin da suka dace da su haduwa da yawan ruwa . Irin wannan mutum yana ɗaya daga cikin rayayyun abubuwa guda uku waɗanda ba su jagoranci rayuwar rayuwa na ƙaddara rayuwa ba. Tare da tiger da manyan kifayen kifayen, wannan dabbar tana “ciyawa” ƙaramin ɓacin rai daga ruwa.
Gabatarwa “pelagic” ta irin waɗannan mutanen yana nufin cewa suna rayuwa daga nesa akan ginin duniya ba zurfin sama da mita 100. Wakilan wannan dangin suna cikin kifin teku kuma sun fi son ruwan dumi, misali, a Hawaii da California. Yankin sharhin Bolsherot yana da ɗanɗano sosai kuma shi kaɗai ne wakilin danginsa.
Tarihin Gano Abubuwan Balaga
Shafin farko na shaidar kasancewar manyan yan tawaye masu pelagic ne na 1976. Bayanan sun yi karanci, saboda a duniya kusan mutane 100 ba su da wannan iyali. A wajen masana kimiyya 'yan dabbobin ne kawai, tsarin halittar da ya zama abin da wasu ayyukan kimiyya suka yiwa wannan duniyoyin.
An gano wakilin farko na dangi a ranar 15 ga Nuwamba, 1976 a Hawaii, tsawon sa ya kai mita 4,66 . Da farko, an yi kuskuren dabbar dabbar wani wakiltar kifayen - dabbar dabbar sharhin, akwai kuma maganganun lokacin da babban rikitaccen kifin ya rikice tare da kisa mai kisa, tunda launuka na waɗannan dabbobin sun yi kama.
Habitat
Yankin babban kifin wanda yake dashi yana cikin rukunin kifayen teku, mazaunin shi zurfin har zuwa mita 500. Ko yaya, mafi girman zurfin wannan kifin yana kusan mita 2500. Launi da impressiveauna masu ban sha'awa suna bauta wa Gargadi ne ga masu son farauta , tunda babu hakora masu kaifi don kariya a wannan nau'in kifin shark. Don bincika abinci, ɗaiɗaikun na iya ƙaura, amma sun gwammace ruwa mai zafi da mara zurfi.
Ba a san fasalin jinsin wannan nau'in ba, yana da ma'ana a ɗauka cewa wannan tsari yana faruwa daidai da na babban giram. Ba kamar kifayen kifi ba, wadanda suke shayar da ruwa ta hanyar raira ihu, babban kifin shark samar da hadiye abubuwa kowane 'yan mintina. Ba a san ko kifin zai iya yin farauta ba, a yanzu haka plankton, wanda ya ƙunshi ƙananan crustaceans da jellyfish, an san shi a matsayin tushen abincinsa.
Halaye
Yankin babban kifin shakatawa ya ciyar da rayuwarsa ta motsi. A dare, kowane ɗayan wannan nau'in ba ya nutse sama da mita 15, yayin da rana take bincika plankton a zurfin sama da mita 150. Igrationaura daga cikin ruwa yana faruwa ne sabili da motsin jirgin ruwa, wanda kuma halayyar mutum ne canjin wuri ya danganta da barci ko farkawa daga cikin magabata. Masana ilimin kimiyya sun yarda cewa babban shark wanda aka riga aka saukar dashi shine farkon, shine, ya rayu ne a kusa da kasan, wanda ya zama dalilin marigayi gano mutane da mutane.
Masu farauta na halitta da maƙiyan babban kifin
Kamar yadda aka ambata a sama, akwai 'yan kaddarawar halitta a cikin babban babban abin shark, wanda da farko saboda girman girman mutum ne. Bayan haka, wasu daga cikin jinsunan mafarautan har yanzu suna farautar wadannan dabbobi, sune:
Masu tsinkaye suna amfani da jinkirin wannan babban ɗan wannan sharki kuma kawai suna kwance nama daga jikinta, da yawa dabbobi. akwai tabo a jiki . A fuskar, mutanen da aka lura da su ma suna da alamun fashewa da toka da kuma kayan zaki. Ba zai yiwu ba muna magana ne game da kai hari kai tsaye, maimakon kare kai, tunda Bolsherot ta haɗu da ɗimbin ruwa a cikin ƙoƙarin tace krill.
Bolsherot shark: yana da haɗari ga mutane?
Wannan nau'in biri yana da lahani ga ɗan adam kuma yana iya cutar da yawancin waɗanda kawai, ba da gangan ba, suka sami kansu a cikin kusancin bakin wannan ƙaton. Sauran silk bolsherot yanada daban a kwantar da hankula da kuma yanayi mai kyau . A sakamakon haka, ba a san darajar tasirin da ke tattare da asirin halittar jikin jinsunan Shark ba, yana yiwuwa mai yiwuwa wannan jinsin yan kunan bakin teku ya bukaci kariya.
Jarumar tatsuniyoyi da tatsuniyoyi
Yankin shark wanda yake da kwarin gwiwar zai iya zama asalin magabata da yawa na tatsuniyoyi game da dodannin teku, dalilai da yawa sunyi magana akan wannan lokaci daya:
- bayyanar tsoro, gami da babbar baki,
- manyan masu girma dabam
- kama da Whales,
- nutse cikin ruwa mai zurfi.
Kamar yadda yake game da manya-manyan squids, da pelagic manyan-mouthed shark zai iya zama tushen ga Yunƙurin daban-daban camfin sadaukar da kai ga babban kifayen teku wanda zai iya hadiye jirgin ruwa. Wannan tallafin yana ƙoƙarin guje wa hulɗa da mutane.
Abin lura ne cewa yawancin wakilan wannan dangin an gano sun mutu. Arshe na ƙarshe da aka samu game da lambar mutanen wannan reshe shine 2015, abubuwan da suka gano suna da matukar mahimmanci a wurin kayan tarihi, saboda haka zasu iya nazarin halaye na babban wakilan ruwa mai zurfi na waɗannan ƙasashe. A halin yanzu, manyan kifayen mashin da ke amfani da su ba kawai harin maharan ba ne, har ma da kamun kifi, saboda abincinsu yana da daraja sosai a cikin yawancin abincin duniya lokaci guda.
Wasu masana kimiyya sunce ya zama dole a hada wannan mutum a cikin jerin nau'ikan da ke gab da hallakawa kuma sun haramta babban kamun kifayen. Koyaya, bayanan da aka samo basu isa su kusantar da ƙarshe ba dangane da matsayin ɗan adam da yawan mutane. Lastarshe da aka ƙaddara na ƙarshe waɗanda suka wakilci babban dangin sun kasance mutane 102, wanda ba bisa ka'ida ba ne kaɗan idan aka kwatanta da sauran wakilan jinsunan.
An yi imanin cewa manyan sharks masu kwalliya za su kasance a cikin jinsin da zai bace a cikin shekaru goma masu zuwa sakamakon gurɓataccen iska na ruwan. Koyaya, ya yi latti don yanke shawara game da makomar waɗannan mutanen.