Duk wanda har yanzu yana tunanin cewa kifi mafi girma a duniya shine babban kifi Whale, yana da kuskure sosai. Whales an rarrabe shi azaman dabbobi masu shayarwa, kuma daga cikinsu, hakika shine mafi kyawu. Kuma a nan babban kifin kifi ya fi yawa mafi girma daga cikin rayayyun kifi.
Bayani da fasalolin kifayen kifaye
Wannan kifin mai ban mamaki ya dade yana ɓoye daga idanun masanan kimiyyar kuma an gano shi kuma aka bayyana shi kwanan nan - a 1928. Tabbas, a zamanin da akwai jita-jita game da girman dabbar da ba a taɓa ganin ta ba wanda ke rayuwa a cikin zurfin teku, masunta da yawa sun ga kyan gani daga bakin ruwa.
Kuma a nan ne karo na farko don ganin ɗan masanin kimiyya daga Ingila, Andrew Smith ya yi sa'a, shi ne ya ba da cikakken bayani ga masanan dabbobi dalla-dalla game da irinta da kuma tsarinta. An kawo shi bakin tekun Cape Town, kifi mai tsayin mita 4.5 a tsayinsa shi ake kira Rhincodon typus (kifar shark).
Wataƙila, masanin kimiyyar halitta ya ga matashi, tunda matsakaicin tsawon wannan mazaunin ruwa mai zurfin tsayi daga mita 10-12, babban dabbar kifi - tan 12-14. Mafi babban kifin shark, wanda aka gano a ƙarshen karni na karshe, ya auna nauyin 34 kuma ya kai tsawon mita 20.
Sunan babban dabbar shark ba don girman girmansa ba, amma don tsarin muƙamular: bakinsa yana kan tazara sosai a tsakiyar kai, kamar ainihin kifayen whales, kuma ba komai ba a cikin ƙananan ɓangarorin, kamar yawancin danginsu na shar.
Yanayin kifayen Whale ya sha bamban da na dan'uwan nasa har ya banbance shi cikin wani gida daban wanda ya kunshi al'adu guda daya da jinsin daya - Rhincodon typus An rufe jikin babban ɗin kifayen kifayen tare da sikeli masu kariya na musamman, kowane irin wannan farantin an ɓoye shi a ƙarƙashin fata, kuma a saman za ku iya ganin tukwici kawai, masu kaifi kamar raƙumi, suna kama da hakora a siffar.
Sikeli yana hade da enamel-kamar abu vitrodentin kuma basu da ƙarfi da ƙarfi ga haƙoran haƙora. Irin wannan kayan yaƙi ana kiranta placoid kuma yana cikin dukkan nau'in kifayen kifayen. Fatar fata mai kifin kifi tana iya kaiwa 14 cm kauri. Mai kitse mai zurfi - duk 20 cm.
Whale shark tsawon sa zai iya wuce mita 10
Daga bayansa, ana fentin kifin kifi Whale cikin duhu mai duhu tare da launin shuɗi da launin ruwan kasa. Haske mai haske mai haske da ke zagaye da siffar zagaye yana watsuwa da babban bangon duhu. A kan kai, ƙyallen da wutsiya, sun fi ƙanana da rudani, yayin da a baya suke layi cikin kyakkyawan tsari na geometric tsarin ratsi na yau da kullun. Kowane shark yana da tsari na musamman, kama da yatsa na mutum. Babban ƙifin shark na ciki yana da fararen fata ko launin shuɗi.
Kashin yana da fasasshen launi, musamman zuwa ƙarshen kuncin. Yayin ciyarwa, bakin kifin ya buɗe ya buɗe, yana haifar da launuka na yau da kullun. Whale shark hakora mutane da yawa za su yi baƙin ciki: jaws suna sanye da ƙananan hakora (har zuwa 6 mm), amma adadin zai ba ku mamaki - kusan 15,000 daga cikinsu!
Setananannun idanu masu zurfi suna cikin bangarorin bakin; musamman manyan mutane, girare ba su wuce girman wasan golf ba. Sharks ba za su iya ƙwaƙwalwa ba, duk da haka, idan wani babban abu ya kusanci ido, kifin ya ja ido a ciki ya rufe shi da fatar fiska ta musamman.
Gaskiya mai ban sha'awa: kifi kifi kifikamar sauran wakilan dangin shark, tare da rashin isashshen sunadarin oxygen a cikin ruwa, zai iya kashe wani bangare na kwakwalwar sa da kuma sanya hibernate don adana makamashi da mahimmanci. Hakanan yana da sha'awar cewa kifayen fata basa jin zafi: jikinsu yana haifar da wani abu na musamman wanda yake toshe abubuwan jin daɗi.
Whale Shark Rayuwa da Habitat
Whale shark, masu girma dabam wanda rashin sa'ilin makiya na zahiri, sannu a hankali yana haɓaka faɗaɗaɗɗen tekun duniya cikin sauri bai wuce 5 km / h ba. Wannan madaukakiyar halitta, kamar jirgin ruwa mai zurfi, a hankali yana malalowa cikin ruwa, lokaci-lokaci yana buɗe bakinsa don hadiye abinci.
Matsakaicin wuraren aibobi a cikin babban kifayen kifayen sun sha bamban kamar yatsar ɗan adam.
Kifayen kifayen suna da saurin jinkiri kuma halittar da ba ta nuna zalunci ko ban sha'awa. Sau da yawa zaku iya haɗuwa hoto na babban kifi kifi kusan kusanci tare da mai ruwa-ruwa: hakika, wannan ra'ayin ba ya jefa haɗari ga ɗan adam kuma yana ba ku damar yin iyo kusa da kanku, taɓa jikin ko ma hawa, riƙe da ƙwanƙolin dorsal.
Abinda kawai zai iya faruwa shine bugawa tare da ƙaƙƙarfan ƙaiƙai mai ƙarfi, wanda yake da ikon gurgunta idan ba'a kashe shi ba. Dangane da binciken kimiyya, ana ajiye kifayen kifaye a kananan kungiyoyi, ba su da yawa ba sau ɗaya ba, amma wani lokacin, a wuraren da ake tara kifaye a cikin lokaci, adadinsu zai iya kaiwa ɗari.
Don haka, a cikin 2009, masaniyar kimiyyar halittar dabbobi sun kirkiri mutane sama da 400 a gabar tekun Yucatan, irin wannan tarin yawa ya haifar da yalwar mackerel caviar, wanda yan kifayen ke ci.
Sharks, ciki har da cetaceans, dole ne su kasance cikin motsi koyaushe, saboda ba su da mafitsara masu iyo. Faƙƙarfan tsokoki suna taimaka wa kifin zuciyar zuciya na kifin tare da kula da isasshen jini na rayuwa. Basu taba yin bacci ba kuma suna iya nutsewa zuwa gindin ko ɓoye cikin kogunan ruwa domin shakatawa.
Babban hancin su, wanda yake kashi 60% wanda aka hada da tso adi nama, yana taimakawa yan kifayen su kasance cikin nutsuwa. Amma wannan bai isa ga babban kifin kifi ba, dole ne ya hau kan ruwa ya sha iska, don kar ya nutse har zuwa kasa. Whale shark yana nufin nau'in pelagic, wato, rayuwa a saman lamuran tekun duniya. Yawancin lokaci ba zai fada ƙasa da zurfin 70 m ba, kodayake yana da ikon hawa zuwa 700 m.
Saboda wannan fasalin, kifayen kifayen teku sukan yi karo da manyan tasoshin teku, gurgu ko ma mutuwa. Sharks ba su san yadda za su dakatar ko su rage jinkirin motsi ba, saboda a wannan yanayin yawan iskar oxygen ta ƙananan kwayoyi suna iya shaƙawa.
Whale sharks suna thermophilic. Ruwan saman ruwa a wuraren da suke zaune suna jin zafi har zuwa 21-25 ° С. Ba zaku iya haɗuwa da waɗannan titans arewa ko kudu na 40 na layi daya ba. Ana samun wannan nau'in a cikin ruwa na tekun Pacific, Indiya da Atlantika.
Kifayen kifayen suna da wuraren da suka fi so: gabas da kudu maso gabashin Afirka, tsibirin Seychelles, tsibirin Taiwan, Gulf of Mexico, Philippines, da gabar tekun Australiya. Masana kimiyya sun kiyasta cewa kashi 20 cikin dari na yawan jama'ar duniya suna zaune a bakin tekun Mozambique.
Whale Shark
A zahiri, amma kifar shark ba a dauki mai kaddarawar ba a yanayin da aka saba. Da girmanta, kifin kifayen ba ta kai hari ga sauran manyan dabbobi ko kifi ba, amma tana ciyar da zooplankton, crustaceans da kananan kifayen da suka fado cikin babban bakinsa. Sardines, anchovies, mackerel, krill, wasu nau'ikan mackerel, ƙaramin tuna, jellyfish, squid da abin da ake kira "ƙura ƙura mai rai" - wannan shine abincin abincin wannan babban.
Abin mamaki ne a kalli wannan abincin. Shark yana buɗe bakinsa mai buɗe baki mai faɗi, diamita wanda zai iya kaiwa mita 1.5, kuma yana kama ruwan teku tare da ƙananan dabbobi. Daga nan sai bakin ya rufe, ruwan ya tace sannan ya fita ta hanyar mayen, sannan kuma abincin da yake lalacewa ya tafi kai tsaye zuwa ciki.
Yankin Shark yana da kayan aikin tata baki daya, wanda ya kunshi faranti guda 20 wadanda ke hade titinan dabbobin, tare da kera wani lattice. Teethananan hakora suna taimakawa wajen kiyaye abinci a bakinku. Wannan hanyar cin abinci shine ba kawai kif kif shark: giant kuma Largemouth suma suna ci ta wannan hanyar.
Yanayin kifi Whale yana da kunkuntaccen esophagus (kimanin cm 10 a diamita). Don tura isasshen abinci ta hanyar wannan karamin rami, wannan babban kifin dole ne yakai kimanin awanni 7-8 a rana don samun abinci.
Shark gills yana tuka kimanin 6,000 m³ na ruwa a awa daya. Ba za ku iya kiran babban kifin kifayen ba: a ranar da za ta ci kilo 100-200, wanda ke da nauyin 0.6-1.3% kawai.
Kiwo da tsawon shekaru na babban kifi kifi
Game da yadda kifayen kifayen fata, tsawon lokaci babu kusan bayanan da suka dogara. Ba da daɗewa ba an fara nasarar gudanar da shi cikin fursuna, cikin manyan ɗakunan ruwa, inda irin waɗannan Kattai ke da 'yanci.
Har zuwa yau, akwai 140 daga cikinsu a cikin duniya .. Godiya ga fasahar zamani waɗanda suka ba da damar ƙirƙirar waɗannan manyan abubuwan halittu, ya zama mai yiwuwa a lura da rayuwar waɗannan halittun tare da yin nazarin halayensu.
Yanayin kifayen Whale sune kifayen ovoviviparous. A cikin mahaifar sa dogon kifi shark Tsakanin mintuna 10 - 10 na iya ɗaukar tayi har zuwa 300, tayi a ciki, wanda aka lullube ta cikin kawayennsu na musamman kamar kwai. Sharks suna tsere cikin mace ana haihuwar su cikin duniya gabaɗaya kuma masu yiwuwa mutane. Tsawon jaririn kifi Whale shine 40-60 cm.
Lokacin haihuwa, jariran suna da isasshen wadataccen abinci mai gina jiki, wanda ke ba su damar cin abinci na dogon lokaci. Akwai wata magana da aka santa yayin da aka fitar da wani kifin shark da ke raye da shi kuma aka sanya shi a cikin babban akwatin ruwa: thean itacen ya tsira, amma ya fara cin abinci bayan kwanaki 17 kawai. Shekarun lokacin haihuwar kifin kifi, kamar yadda masana kimiyya suka bayyana, kusan shekaru 2 ne. Don wannan lokacin, mace ta bar rukunin kuma tana yawo shi kaɗai.
Chabilar masana Ichthyologists sun yarda cewa kifayen kifayen kifi suna isa ga balaga tare da tsayin jikin mutum 4.5 m (a cewar wata sigar daga 8). Shekarun yanyan shark a wannan lokacin na iya zama shekaru 30-50.
Tsawon rayuwar waɗannan manyan mutanen ruwan teku kusan shekara 70 ne, wasu suna rayuwa har ma da 100. Amma dai mutane da suka rayu shekaru 150 ko fiye da haka har yanzu ba su wuce haddi ba. A yau, ana sa ido kan kifayen kifayen kifi, an yi masu alama da tashoshin rediyo da kuma hanyoyin hanyoyin ƙaura. Akwai kusan dubu irin waɗannan mutane "masu alama", da yawa har yanzu suna yawo cikin zurfin - ba a sani ba.
Game da kifin shark, fari ko wani, zaka iya magana na tsawon awanni: kowannensu na duniya ne, ƙaramin cosmos da sararin samaniya. Wauta ce muyi tunanin cewa munsan komai game da su - saukin su a bayyane yake, kuma kasancewar karatu ba ilimi bane. Rayuwa a Duniya tsawon miliyoyin shekaru, har yanzu suna cike da asirai kuma basu gajiya da masu binciken mamaki.
A takaice bayanin irin kifayen kifi
Girman babban kifin kifi ya kai, bisa ga alkaluman hukuma, mita 20. Kuma yawan giant ɗin yakai tan 34. Koyaya, bisa ga bayanan da ba na hukuma ba, wannan ba iyaka bane, mutane sun wanzu kuma sun fi girma. Anan kawai ko da sharks na 20-mita suna da wuya sosai, girman yawancin osby ba su wuce mita 12-13 ba. A matsayinka na mai mulki, mata sun fi maza girma.
Babban bambancin kifi ba shi da girmansa ba, har ma da bayyanarsa. Jikin shark ya yi kauri da iko, amma kai kadan ne, kare. An sanya wasu ƙananan idanu (kusan 5 cm a diamita) a kai. Kuma a cikin bakin shark, wanda zai iya buɗewa sosai, akwai hakora dubu da yawa (kuma a cikin wasu mutane har zuwa 15,000), suna cikin layuka 300. Gaskiya ne, hakora ƙanana kaɗan (har 6 mm) kuma basu dace da cizo ba.
Launin launi na kifayen kifayen halayyar mazaunin ruwa ne. Lowerananan jikin dabba ana fentin su a cikin haske, launin toka mai haske ko launin shuɗi. Amma babban jikin yana duhu, tare da tabarau na launin toka, shuɗi ko launin ruwan kasa. Daidaitaccen launi na kifin ana narkewa kawai tare da ƙirar haske akan ƙusoshin, baya da bangarorin. Abin ban sha'awa, tsarin nau'ikan haske da turanci ga kowane shark na musamman, yana yiwuwa a rarrabe mutane da shi.
Rayuwa da halaye
Yanayin kifi Whale yana zaune ne kawai a cikin ruwa mai ɗumi na yankin da ke da ɗumbin yanayi na Duniya. Ba shi da mazaunin rayuwa na dindindin; yana ƙaura tsawon rayuwarsa. Yana kiyaye kusa da ruwa, wani lokaci yakan ɗauke iska.
Abin mamaki, kifi mafi girma a duniya ba mai farashi bane, a tsarin ma'anar kalmar. The shark ciyarwar yafi akan plankton, wanda aka zana daga ruwa. Amma ita ma tana cin sauran dabbobin da suka faɗa a bakin ta: ƙananan kifayen, kifayen dabbobi da kuma nau'ikan ɓarna.
Ya kamata a fahimci cewa duk wadanda ke cikin hadarin kifayen kifaye ba su da yawa, saboda ba ta farautar su. Koyaya, kifin yana motsawa da ƙarancin gudu, har zuwa 5 km / h. Dabba ce mai jinkirin da ba ta kulawa.
Hadarin da ke tattare da hadarin kifin kifaye a cikin mutane
Ga 'yan Adam, kifin kifi ba shi da haɗari. Ba ta amsa kwatankwacin fitowar mutum, ko da ya hau kan ta ya yanke shawarar hawa. Wasu daga cikin tsoro har suna rarrafe a gefen sa, suna duban bakin da kuma taɓa fitsarin - a sakamakon haka, kifayen sun fara lazumi cikin damuwa don kawar da haushi.
Ana ganin kifin kifayen dabba mai nutsuwa da kwanciyar hankali. Abin takaici, ya kasance ga jinsin masu haɗari ne. An yi imanin cewa aan dubun dubbai ne suka rage cikin duniya, amma ba shi yiwuwa a tantance ainihin wannan bayanan. Matsalar ita ce yawan kiwo mafi girma a cikin kifi yana da jinkiri sosai, saboda haka suna mutuwa da sauri fiye da yadda suke kiwo. Ya kamata a lura cewa mutane, a mafi yawan ɓangaren, suna ƙoƙarin hana ɓacewar waɗannan giantsankunan ruwan. Abin baƙin ciki, ba a taɓa ganin irin nasarorin ba a wannan.
Moray mala'iku
Su kifi ne tare da jikin maciji. A lokaci guda, ba masu guba ba ne, amma cizon su na da matukar zafi.
Shark
Su kifaye masu haɗarin gaske ne, girman da zai iya kaiwa mita 5. Sauran suna shi ne Canyanbal Sharks.
Bayanin Whale Shark
Kwararrun masanan kimiyar kimiya sun hango kifin kifi Whale.. An bayyana shi a karon farko a 1928. Babban masunta galibi masunta ne ke lura dashi, daga inda tatsuniya suka bazu game da babban dabbar da ke zaune a gabar teku. Shaidun gani da yawa sun bayyana ta a cikin tsoro da ban tsoro, ba tare da lura da rashin lahani ba, rashin kulawa da yanayin kirki.
Wannan nau'in kifin shark yana birgewa sosai a girman sa. Tsawon kifin kifayen na iya isa zuwa mita 20, kuma nauyin rikodin ya isa alamar har zuwa tan 34. Wannan ita ce mafi girman samfurin yiwu wanda aka kama a ƙarshen ƙarni na ƙarshe. Matsakaicin matsakaicin kifin kifin na Whale ya tashi daga mita 11-12, tare da nauyinsa yakai tan 12-13.5.
Bayyanar
Duk da irin waɗannan girma banbancin, tsarin bakinta, ba girmansa ba, ya rinjayi zaɓin sunan. Batun shine wurin da bakin yake da kuma abubuwanda yake aiki. Bakin bakin babban kifin kifayen ya fito fili a tsakiyar babban hadarin, kuma ba daga tushe ba, kamar sauran nau'ikan kifin shark. Ta bambanta sosai da 'yan uwanta. Don haka, ga kifin kifayen Whale, an sanya dangi na musamman tare da aji wanda ya ƙunshi jinsi ɗaya, sunan shi Rhincodon typus.
Duk da irin girman girman da yake da shi, dabbar zata iya yin girman kai irin iko da manyan hakora. Hakora ƙanana kaɗan, sun kai tsawon ba fiye da mm 0.6. Suna cikin layuka 300-350. Gaba ɗaya, tana da kimanin ƙananan hakora 15,000. Suna hana ƙaramin abinci a bakin, wanda daga baya ya shiga cikin kayan tantancewa, wanda ya ƙunshi faranti guda 20.
Mahimmanci! Wannan nau'in yana da nau'i-nau'i na gills 5 da ƙananan idanu. A cikin balagaggu, girmansu ba ya wuce ƙwallon tanis. Gaskiya mai ban sha'awa: tsarin gabobin gani ba yana nuna kasancewar wannan karni ba. Yayin hatsarin da yake gabatowa don adana hangen nesa, kifin ido zai iya rufe ido ta hanyar jan shi a cikin kai da rufe shi da mayakin fata.
Jikin kifin kifi Whale yayi kauri a cikin shugabanci daga kai har zuwa tushe na baya, yana samar da yankin da ya tashi a cikin yanayin murfin laushi. Bayan wannan sashin, kewayawar jikin ta gangara zuwa wutsiyar kanta. Shark yana da ƙyallen kashi biyu, wanda aka juye zuwa wutsiya. Wanda yake kusa da gindin jikin mutum yayi kama da babban katako mai isosceles babba kuma babba a girma, na biyun yayi karami kuma yana nan kusa da wutsiya. Karshen wutsiya yana da kwatankwacin yanayin kwatanci, mai halayyar dukkan sharks, tare da ragon babba da rabi wanda yake sau ɗaya da rabi.
Suna da launi mai launin toka mai launin shuɗi da launin shuɗi. Shark ciki cream ko whitish. A jikin mutum, zaku iya lura da rariyoyi da tufkafin launi mai launin shuɗi. Mafi sau da yawa ana shirya su a cikin wani tsari na farko, rasukan suna canzawa tare da aibobi. Theasusuwan na ciki da kai kuma suna da aibobi, amma ana samun su da yawa. Akwai ƙari, amma sun karami. Bayan haka, tsarin kowane fata ya kasance na kowa ne kuma baya canzawa tare da tsufa, wanda ya shafi rayuwar su sosai.
Abin sha'awa shine, kayan bincike na ilmin taurari yana taimaka wa masu ilimin kimiyyar ilmin kimiyyar ilmin taurari. Akwai na'urori na musamman waɗanda aikinsu shine kwatantawa da kwatanta hotunan taurarin sama, wannan yana taimakawa wajen lura ko da ƙananan bambance-bambance a wurin samaniyan sararin samaniya. Suna kuma iya jure yanayin tabo a jikin wutsiyar kifin kifi, yana bambanta mutum da wani.
Kaurin fatar jikinsu na iya kaiwa kusan santimita 10, yana hana kananan kwari daga hargitsa lamarin yaren. Kuma fatarar mai kusan kusan cm 20. Fatar an rufe ta da yalwar maganganu waɗanda suke kama da hakora. Wannan shine sikelin babban kifin kifi Whale, wanda aka boye cikin zurfi a cikin fata, kawai tukwane na faranti, masu kaifi kamar kananan rajiyoyi, samar da matattarar kariya mai karfi ana iya ganinsu a farfajiya. A kan ciki, tarnaƙi da baya, sikeli da kansu suna da tsari daban, suna samar da matakin kariya daban. Wadanda ke da “hatsari” wadanda ke da karkataccen matakin baya kuma suna kan bangon dabbobi.
Yankunan, don inganta kaddarorin hydrodynamic, an rufe su da ƙirar da ba ta da kyau. A cikin ciki, fatar kifin kifin kifin gashi ya kasance koda na uku na bakin ciki ne fiye da babban satin. Abin da ya sa, a yayin kusancin abubuwa masu ban sha'awa, dabba ta juyo da ita, i.e., mafi kyawun ɓangaren jikinta. Dangane da yawa, sikelin da kanta za'a iya kwatanta shi da haƙoran haƙora, wanda aka samar da ta musamman ta rufin enamel-kamar abu - vitrodentin. Irin wannan kayan aikin placoid yana da asali a cikin kowane nau'in sharks.
Rayuwa, halayya
Whale shark dabbar dabba ce mai motsi a hankali wanda ke da nutsuwa da kwanciyar hankali. Su ne “tarkuna teku” kuma ba a san komai game da rayuwarsu ba. Yawancin rayuwar su, suna iyo ba a sani ba, lokaci-lokaci suna fitowa daga bakin tekun rerals. Mafi sau da yawa, zurfin nutsewarsu bai wuce mita 72 ba, sun fi son zama kusa da farfajiya. Wannan kifin ba karamin abu ne da za a iya motsa shi ba, ba zai iya jinkirin saurinsa ba ko ya dakatar da shi sakamakon karancin mafitsara a ruwa da sauran sifofi na jiki waɗanda ke samar da iskar oxygen. A sakamakon wannan, yakan ji rauni a lokacin da ya fadi cikin jirgi mai wucewa.
Wannan abin ban sha'awa ne! Amma a lokaci guda, karfin su yana zuwa gaba. Jirgin kifin kifi yana iya kasancewa cikin zurfin kusan mil 700, kamar sauran nau'ikan kifayen kifayen.
Yayin yin iyo, bayyanar kifayen kifayen, sabanin sauran, ya hada ba wutsiya kadai ba, amma kashi biyu bisa uku na jikinta don motsawa. Babban tsananin buƙatar abinci na yau da kullun yana sa kullun su kasance kusa da makarantun ƙananan kifi, alal misali, mackerel. Sukan kashe kusan a duk tsawon lokacin neman abinci, suna dubar kawai na ɗan gajeren lokacin bacci, ba tare da la’akari da lokacin rana ba. Mafi yawancin lokuta sukanyi gasa tare da kananan kungiyoyi da dama. Lokaci-lokaci zaka iya ganin babban garken dabbobi 100 ko kuma yan shark suna tafiya shi kaɗai.
A shekara ta 2009, an ga tarin kawunan manyan kifaye 420 a bakin rafin ruwan kwaro, yayin da wannan ne kawai abin gaskatawa. A bayyane yake, duk maganar ita ce cewa a watan Agusta a bakin tekun Yucatan akwai yawancin kullun mackerel mackerel caviar.
Watanni da yawa a kowace shekara, ɗaruruwan sharks suna fara zagayawa a bakin tekun yammacin Australiya kusa da babbar hanyar ma'abatar Ningalu da ke kan iyaka. Kusan dukkan halittu, daga kanana zuwa babba, sun zo don riba da haihuwa a bakin tekun Ningalu a lokacin da Reef ɗin ke cike da rayuwa.
Tsawon rayuwa
Dangane da batun samin balaga na kifayen kifi, ra'ayin masana ya bambanta. Wasu sun yi imani cewa mutane waɗanda suka kai mita 8 a tsayi za a iya ɗaukarsu mazan ne, wasu kuma - mita 4.5. Ana zaton cewa dabbar a wannan lokacin ta kai shekara 31-52. Bayanai game da mutanen da suka rayu sama da shekaru 150 tsarkakakke ne. Amma 100 alama ce ta zahiri da ke nuna karuwar karni. Matsakaicin adadi ya kai shekaru 70.
Habitat, mazauni
Don wakiltar mazauninsu, yana da mahimmanci a fahimci cewa kifayen kifi Whale suna zaune a cikin wuraren da aka mayar da hankali ga abinci don rayuwa.. Su ma dabbobi masu ƙauna ne masu zafi, wanda zai fi dacewa su zaɓi wurin da ruwa mai zafi zuwa 21-25 ° C.
Mahimmanci! Ba zaku iya haɗuwa dasu arewa ko kudu ta 40 na layi daya ba, yawanci suna zaune tare da mai ƙididdigewa. Ana samun wannan nau'in a cikin ruwa na tekun Pacific, Indiya da Atlantika.
Kifayen kifayen kifi sune, mafi yawa pelagic, wanda ke nuna cewa suna zaune ne a cikin tekun buɗe, amma ba a cikin zurfin zurfin teku ba. Whale shark galibi ana samun sa a bakin gabar ruwan Afirka ta kudu, Amurka ta Kudu da Kudancin Amurka. Sau da yawa ana ganinsa kusa da bakin teku yayin ciyar da mashigin tekun.
Abincin Whale Shark
Daya daga cikin mahimman abubuwan ciyar da kifayen kifi shine rawar da suke takawa kamar yadda ake tantance mai. Hakora ba sa taka rawa wajen aiwatar da ciyarwa, sun yi ƙanana da yawa kuma suna shiga kawai don kiyaye abinci a bakin. Kifayen kifayen Whale suna ciyar da ƙaramin kifi, galibi mackerel, da ƙananan plankton. Kifin kifi Whale yana lalata tsoffin teku, yana tsotse ruwan ɗumbin yawa tare da ƙananan rayayyun halittu masu abinci. Irin wannan samfurin kayan abinci yana da asali a cikin ƙarin jinsuna biyu - kifayen sharks, ƙato mai tsayi da tsayi tsawon mita milla. Koyaya, kowane tsarin ciyarwa yana da nasa bambance bambance.
Kifi babban kifi Whale yana karɓar ruwa, sannan abinci ya shiga ta hanyar mashin da ke rufe ƙofar. Wadannan matatun mai cike da injin cike suke da duhun milimita wadanda ke aiki kamar sieve, suna barin ruwa ya sake shiga cikin abubuwan da ke cikin teku, yayin da suke fitar da abubuwan da suka dace na abinci.
Abokan halitta
Hatta girman kifin kifayen kifin fata da kanta ya kebanta da kasancewar abokan gaba. Wannan nau'in ƙwayar tsoka yana haɓaka da kyau, saboda godiya ga kullun motsi da yake buƙata. Tana ta yawo ko'ina cikin ruwa, ta hauhawa cikin sauri wanda bai wuce kilomita 5 / h ba. A lokaci guda, ana kwanyar da injin a cikin jikin Sharkin ta hanyar dabi'a, wanda zai bashi damar shawo kan karancin iskar oxygen a cikin ruwa. Don adana albarkatunta, dabbar za ta lalata aikin wani ɓangare na kwakwalwa da hibernates. Wata hujja mai ban sha'awa ita ce cewa kifayen kifayen ba sa jin zafi. Jikinsu yana samar da wani abu na musamman wanda yake toshe abubuwan jin daɗi.
Kiwo da zuriya
Whale Sharks - Oviparous Cartilaginous Kifi. Kodayake a baya an dauke su masu oviparous, tunda an samo qwai mahaifar mahaifar mace mai ciki da aka kama a Ceylon. Girman tayi guda daya a cikin kwalin kwatanci kusan 60 cm ne tsayi kuma 40 a fadin.
Sharkinta mai girman mitoci 12 yana iya ɗaukar ciki har zuwa ukun ɗari uku a cikin mahaifarta. Kowane ɗayansu an kulle shi a cikin wata kwalliya wacce take kama da kwai. Tsawon danko Sharri yakai santimita 35 - 55, nan da nan bayan haihuwa ya zama mai iya tasiri kuma mai zaman kansa. Tun daga haihuwa, mahaifiyarsa ta ba shi wadataccen abinci mai gina jiki, wanda ya ba shi damar neman abinci na dogon lokaci. Wani sanannen misali shine lokacin da aka fitar da jar dabbar, har yanzu yana raye, daga cikin shark da aka kama. An sanya shi a cikin akwatin kifaye, inda ya tsira, kuma ya fara ci kawai bayan kwanaki 16.
Mahimmanci! Haihuwar kifayen kifi na kusan shekaru 2 kenan. Don lokacin haihuwar, ta bar fakitin.
Duk da dogon nazari game da kifin kifi Whale (sama da shekaru 100), amma har yanzu ba a sami cikakkiyar bayanan kiwo ba.
Yawan jama'a da matsayinsu
Babu yankuna da yawa kifayen kifi. Don bin sahun yawan jama'a da hanyoyin motsi, bikon yana da alaƙa da su. Jimlar lambar tagged kusa da mutane 1000. Ba a san ainihin yawan kifayen kifayen kifi ba.
Yawan kifayen kifayen kifi ba su da yawa, duk da cewa babu cikakken bayanai. Whale sharks galibi sune batun kamun kifi. Farauta shine don hantarsu da nama mai mahimmanci, mai wadataccen mai mai kitse mai mahimmanci. A tsakiyar shekarun 90, kasashe da dama sun hana a kama su. Matsayi na hukuma mai kariya ta duniya na wannan nau'in yana da rauni. Har zuwa 2000, an jera matsayin ba shi da tabbas saboda isasshen bayani game da jinsin.
Whale shark da mutum
Yanayin kifayen kifayen suna da mummunar hali, suna ba da dama ga dama don tafiya a kan kawunansu. Kada kuji tsoron hadiye ta da manyan muzurai. Kwayan kifin kifin kifi shine kawai cm 10 a diamita Amma kasancewa kusa da wutsiyarsa mai ƙarfi shine yafi dacewa a kasance cikin shiri. Dabba na iya buge ku da wutsiyarsa ba da gangan, wanda idan bai kashe ba, zai lalatar da jikin mutum mai rauni.
Wannan abin ban sha'awa ne! Har ila yau, yawon bude ido ya kamata ya mai da hankali game da yankan Shark da kansa, kawai taɓa shi yayin harbin hoto na iya lalata rufin mucous ɗin waje, yana kare shi daga ƙananan gurɓataccen kwari.
Saboda ƙaunar yin iyo a farfajiya, da kuma jinkirin da yake da shi da ƙarancin ikon aiki, kifin kifi Whale yakan fadi ƙarƙashin ruwan wukake na jirgin ruwa, yana karɓar raunin da ya faru. Wataƙila an sa mata abubuwa masu sauƙi ne.
Whale Shark - Bayani
Andrew Smith ne ya fara bayyana Andrew a cikin 1828, dangane da wani mutumin da harbo da bakin teku a Afirka ta Kudu ya kashe. Tarihi, ya sami sunaye da yawa (madadin sunayen kimiyya) ga dangi, dabi'un halitta da kuma jinsuna.
An sanya sunan Halifan 'Sharks' Rhincodon typus.
Kifin kifi Whale yana da iyaka sosai, - a cikin duk tsaunukan da ke da zafi da kuma na ɗan lokaci, ban da Bahar Rum. An rarraba shi ko'ina cikin Tekun Atlantika, daga Caribbean zuwa gabar tsakiyar Brazil da kuma daga Senegal zuwa Gulf of Guinea. Hakanan ana samun shi a cikin Tekun Indiya, ciki har da Jar Teku da kuma Tekun Fasha. A cikin Tekun Pasifik, yana zaune ne daga Japan zuwa Australia, daga Hawaii zuwa Chile.
Ba kamar yawancin kifayen kifayen ba, amma ya fi son mazaunin budewa daga bakin teku. Nazarin ya nuna cewa wannan kifin sharkin ya fi son ruwa mai ɗumi tare da zazzabi mai kusan 21-30 º C, tare da babban ƙirar plankton.
Whale shark ana ɗaukarsa ƙaura ne, amma a halin yanzu babu takamaiman shaida don tallafawa wannan hasashe. Movementsoƙarinsa na iya kasancewa hade da kasancewar matsakaici mai gina jiki.
Yanayin kifayen Whale na iya aiwatar da ko dai isasshen ingantaccen ƙauyuka ko manyan kango na teku.
Kowane Maris da Afrilu, shahararrun kifayen kifi suna da fifikon tunani a kan shiryayyu na yankin tsakiya da yammacin Australia, musamman a yankin Ningalu Reef.
An lura da kifayen Whale kusa da La Paz, Mexico. Masu binciken sun nuna cewa lokacin da wadannan kifayen kifayen suke kiwo a farfajiyar, sai suyi ruwa kusan ba tare da sun juya kawunansu ba, suna hadiyewa, suna budewa da kuma rufewa.
Whale Shark Biology
Jikin da aka kafe, kaɗaɗɗen fata - siffanta babban kifin kifi. Bakin yana juyawa, yayi girma sosai kuma kusan a bakin kicin. Gill slits suna da yawa girma. Fin din farko yana da girma fiye da na biyu.
Yanayin kifi Whale yana da tsarin launi mai launi na checkerboard na launuka masu haske da ratsi a kan fage mai duhu.
Kifayen kifayen suna da launin toka mai haske, mai haske ko shuɗi. Ciki fari.
Daya daga cikin ka'idojin launuka na shark shine cewa nisan shekarun na iya zama karbuwa don kariyar radadin halittun da zasu iya ciyar da lokacinsu a cikin ruwa mai zurfi tare da fallasa matakan ultraviolet.
Hakora, a bayyane, ba ya wasa da komai game da abinci mai gina jiki.
A kan tsinkayen tsinkaye jikin mutum yana bayyana tare da tsawon jikin, watakila an kira shi ne don taka rawa a cikin motsi mai sarrafawa.
Kifin kifi kifi shine mafi girma a cikin kifi. Matsakaicin mafi girman shine 20. An gano ƙaramin ƙarami 55 cm tsayi. Balagagge cikin maza da mata yakan faru ne bayan watanni 9. An yi imani cewa kifin kifi Whale yana rayuwa a matsakaicin shekaru 60.
Whale sharks suna ciyar da plankton da nekton, gami da ƙananan ɓawon burodi, kifi na makaranta, wani lokacin tuna da squid.
Whale shark yana cin abinci ta hanyar buɗe bakinsa. Tana rufe bakinta, tana sakin ruwa ta hancin.
Yayin wani ɗan gajeren jinkiri tsakanin rufe bakin da buɗe abubuwan buɗe ido, watakila plankton zai kasance cikin tarko a cikin ɗakunan da ke cikin faranti da ƙyalli.
Kyakkyawan sieve, na musamman na gyaran gill stamens, yana haifar da cikas ga ƙarshen komai sai ruwa, yayin adana abinci mai gina jiki dukkanin kwayoyin akan 2 zuwa 3 mm a diamita. Kusan komai sai ruwa kawai yake wucewa.
Kifayen kifi Whale sun lura tari, hanyar da aka yi imanin za a yi amfani da ita don tsabtacewa ko fashewar abubuwanda suke fitarwa daga tarin abubuwan abinci.
Kifayen kifayen suna jujjuya kawuna daga gefe zuwa gefe, suna jan ruwa a cikin teku masu arziki a cikin jirgin ruwa.
Eyesan ƙananan idanun kifin kifi Waile suna gefen bangarorin kai. Saboda wannan, hangen nesa zai iya taka rawa sosai fiye da yadda ake jin ƙanshi.
Whale shark - ovoviviparous.
A zamanin da, kifin kifi kifi ba shi da sha'awar ɗan adam. A halin yanzu, kamun kifin kasuwanci na kifayen kifayen suna iyakantacce, amma za a iya rage dokar tare da kara bukatar abinci.
Whale shark
Game da wannan babban kifin da ke zaune a tekun kudu, tsawon lokaci akwai almara da jita-jita da yawa. Mutane, sun firgita da bayyanarta da girmanta, sun bayyana kifin kifayen a matsayin dabbar da ke damun shi kadai daga rafin teku. Bayan dogon lokaci ne ya bayyana a fili cewa wannan maharbin, duk da bayyanar sa mai ban tsoro, ba shi da haɗari. Koyaya kifar shark har ya zuwa yanzu ya kasance ɗayan mafi tsananin kifi na duniyar tamu.
Asalin gani da kwatancin
Hoto: Whale Shark
Yankin kifi Whale bai kama idanun masu bincike na dogon lokaci ba, kuma a cikin 'yan bayanan da aka samu akwai wasu hasashe sama da gaskiya. A karon farko, E. Smith ya baiyana wata dabba (samfurin ƙirar 4,5 mita daga Afirka ta Kudu) a cikin 1828. A halin yanzu, wannan kifin kifi Whale yana cikin Paris. An yi wa nau'in biovid suna Rhincodon. Kifi na dangin kifi ne. A cikin girman, ya wuce mafi girman takwarorinsu ba, har ma da sauran nau'in kifayen.
Sunan "kifi Whale" wanda aka karɓa saboda girman girma da kuma hanyar abinci mai gina jiki. Dangane da tsarin jaws, dabba tayi kama da cetaceans fiye da dangin danko. Amma ga tarihin biovid, tsoffin tsoffin magabatan kifi Whale sun rayu a zamanin Silurian, kimanin shekaru miliyan 440-410 da suka gabata. Dangane da ka'idodin maganganu na yau da kullun, placoderm ya zama asalin magabatan yan kifin shark: ruwan teku ko ruwa mai tsafta.
Abubuwan ban sha'awa game da kifayen kifayen
- Matsakaicin tsayin jiki na babban kifin kifi, bisa ga bayanan daban-daban, ya bambanta daga mita 14 zuwa 20, yayin da irin wannan giant din na iya kimanta tan 30. Amma har ma da manyan mutane sun fi girman girman babban kifi Whale, wanda nauyinsa ya kai tan 150.
- Saboda girmansa, tambaya sau da yawa tana tambaya ne nawa hakoran kifayen kifi suke da shi? Tana da hakora masu yawa, kusan 300,000, amma tsawon kowannensu bai wuce mm 5 ba, kuma ba'a yi niyya su ciji ba, amma don kada su ƙona abincin da aka haɗiye su.
- Yanayin kifi Whale yana cin abinci na musamman dabbobi masu ruwa sosai - plankton da karamin kifi. Game da wannan, mun hanzarta fitar da wani tatsuniya - ga mutum, kifin kifi Whale ba shi da haɗari, kuma gabaɗaya, ba ma kula da kuma kai hari ga mutane masu iyo a kusa.
Karanta game da sauran wakilan duniyar dabbobi:
Ina ne kifayen kifi ke zaune?
Hoto: Menene kamannin kifi Whale?
Kifayen kifayen suna zaune a cikin tekuna na wurare masu zafi, tare da yawan zafin jiki na ruwa na digiri 21-25. Ba za ku iya haɗuwa da ƙattai masu jinkirin sama da na arba'in daidai ba. Wannan shi ne saboda ba yawa bane ga yanayin zafi na colossi dangane da abubuwan da ake zaɓa na abinci. Lallai, yana cikin ruwa mai ɗumi ana samun yawancin plankton - abinci mafi so da waɗannan kifayen.
Yankin babban kifin kifi ya shimfida wadannan yankuna:
- Ruwan ruwan teku kusa da Seychelles.
- Yankunan da ke kusa da Madagascar da kuma kudu maso gabashin Afirka. An kiyasta kusan kashi 20% na adadin waɗannan kifayen suna rayuwa a cikin Tekun Tekun Indiya kusa da Mozambique.
- Ana samun yawan yan kifayen Whale kusa da Australia, Chile, Philippines da Gulf of Mexico.
Me kifin shark ya ci?
Hoto: Babban Whale Shark
Kamar sauran nau'ikan kifayen kifayen, wannan kifin yana cikin rukunin masu farauta. Ko ta yaya, ba za ku iya zarge ta da zubar da jini ba. Duk da irin bayyanar mai kama da kuma sunan Latin mai cike da ban tsoro, kifin kifin “yatsan hakora” yana cin abincin zooplankton da karamin kifi na makaranta (karamin tuna, mackerel, sardines, anchovies). Wannan kifin baya amfani da haƙoransa don cin naman ganyayyaki, amma don ya hana shi zamewa daga cikin babban bakinsa. A takaice dai, wannan ba dutsen niƙa ba ne don niƙa abinci, amma wani nau'in "makullan" don kulle shi.
Kamar kifayen baleen, kifayen “makiyaya” suke da dadewa. Tana ɗiban ruwa a bakinta, tana tace fitar da ruwa. Kifi yana rufe bakin, ruwa kuma yana fitarwa ta hanyar matatun mai. Don haka, wadancan mutanen teku ne kawai zasu iya shiga kunkuntar huhun kifin (danshin ta yakai mm 100 kawai) ya rage a bakin kifin. Don samun isasshen, kifin kifi na Whale dole ne yakai kimanin awanni 8 zuwa 9 a rana akan abinci. Tsawon awa daya sai ta wuce cikin ruwa mai nisan mil 6,000 na ruwan teku. Animals ananan dabbobi a wasu lokutan ana tacewa. Don share su, kifin "tari". A lokaci guda, abincin da ke makale yana fitowa ne daga zahirin dabba.
Ikon ciki na kifayen kifi kifi shine 0.3 m3. Kifin yana kashe wani ɓangare na hakar don kiyaye ma'aunin makamashi. An adana takamaiman adadin abinci a cikin ɗaki na musamman na ciki kamar jari. An saka wani ɓangare na abubuwa masu amfani a cikin hanta na dabba - wani nau'in shagon makamashi. Wannan ana iya kiransa ajiyar abubuwa game da "ranar ruwa." Harshen ƙifin kifin kifin kifi yana da ƙanƙanta kaɗan, kuma a matsayin "mai kan ruwa" don ɗaukar babban nauyi a cikin ɓangaren ruwa bai dace ba. Waɗannan kifayen ba su da mafitsara a iyo. Don ingantacciyar buoyancy, dabba tana haɗiye iska, ta sake ta lokacin da nutsuwa cikin zurfin teku.
Dangane da binciken da kwastomomin masanan Japan suka yi kwanan nan, rage cin abincin kifayen kifayen ya bambanta fiye da yadda ake zato. Baya ga abincin dabbobi, wanda babu shakka ya samar da tushen menu, suma suna cin algae, kuma, idan ya cancanta, na iya matsananciyar yunwa. Kifi “cikin sauri” akasari yayin ƙaura daga abinci zuwa wani. Tare da rashin abinci na yau da kullun, kifin kifin kifi ya gamsu da “abincin” mai cin ganyayyaki kawai na ɗan lokaci.
Siffofin hali da salon rayuwa
Photo: Babban Shark
Yawancin masana kimiyyar halitta suna da ra'ayin kifayen kifi a matsayin mai nutsuwa, lumana, da kuma jinkirin halittu. A matsayinka na mai mulkin, dabbar tana ci gaba da zuwa kusa da ruwa, amma wani lokacin yakan fita daga zurfin mita 700. Kifin ya yi iyo da sauri - kusan 5 km / h, wani lokacin ma har ƙasa da haka yake. Tana aiki kusan kusan agogo, tare da gajerun hutu don bacci.
Wannan nau'in kifayen kifayen ba shi da aminci ga mutane. Divers suna cin amfanin wannan kuma ba kawai kusanci da kifin ba, har ma suna hawa su. Koyaya, mutane da suka ji rauni na iya zama haɗari. Bugun wutsiya guda ya isa kashe mutum ko lalata karamin jirgin ruwa.
Tsarin zamantakewa da haifuwa
Hoto: Whale Shark
Ana kiyaye kifayen kifayen shi kadai ko zama a cikin kananan rukuni. Manyan ofungiyoyi na ɗaruruwan ɗarurruwan ba su da yawa. An yi rikodin garken marubutan teku guda 4 (mutane 420) a watan Agusta 2009 a kusa da Yucatan Peninsula. Wataƙila, sun jawo hankalin su zuwa ga masaral-mackerel mackerel caviar, waɗanda ƙattai ke more tare da nishaɗi. Lokacin balaga na kifayen kifi na tsawon lokaci. Tare da tsammanin rayuwa na shekaru 70-100, yana shirye don kiwo a shekaru 30-35, wasu lokuta yana da shekaru 50. Tsawon mutum mai zurfin jima'i ya yi girma daga 4.5 zuwa 5.6 m (a cewar wasu kafofin, 8-9 m). Tsawon jikin mutum na maza masu jima'i kusan 9 m.
Babu takamaiman bayani game da rabo tsakanin adadin mata da maza a yawan. Nazarin garken kifaye a gabar yammacin gabar Ostireliya (ajiyar ruwan teku ta kusa da Ningaloo reefs), masana kimiyya sun gano cewa adadin mata a cikin yawan dabbbobin da aka lura bai wuce 17% ba. Koyaya, wannan bayanin ba za a kira shi da cikakken abin dogaro ba, tunda kifayen kifi Whale suna amfani da wannan yanki ba don ɗaukar zuriya ba, amma don ciyarwa. Dabbobin suna cikin rukunin kifin ovoviviparous kifin. Don wani lokaci, ana kiran babban kifin kifi sharrin oviparous, tunda an samo qwai da tayi a mahaifar mace, aka kama shi a gabar Ceylon. Tsawon da nisa na tayi guda daya da ke cikin kwansonsu shine 0.6 da 0.4 m, bi da bi.
Mace mai mintuna 12 na iya ɗaukar tayi zuwa 300 a lokaci guda. Kowane amfrayo an lullube shi a cikin kwalin kwalliya-kwai. Newan jaririn Shark na ɗaukar tsayi tsawon karfe 0.4-0.5. Rama bayan haihuwa, jariri cikakke ne kuma mai yiwuwa ne. Ya bar jikin mahaifiyar tare da isasshen wadatattun abubuwa wanda zai ba shi damar neman abinci na dogon lokaci. Akwai wata sanannen magana lokacin da aka cire maraƙi mai rai daga mahaifar macen da aka kama. An sanya shi a cikin akwatin kifaye, ya ji daɗi, ya fara shan abinci kawai a ranar 17th. Tsawan lokacin daukar ciki shine shekaru 1.5-2. A lokacin haihuwa, ana ajiye mace ita kadai.
Masu tsaron Whale
Hoto: Whale Shark
Duk da ƙananan adadi, babban kifin ya sami rarrabuwa a cikin al'adun mutanen gabashin. Misali, masunta na Jafananci da na Vietnamese sun yarda cewa haɗuwa da kifin kifin kifi - kyakkyawar allahn teku - kyakkyawar fata ce. Duk da gaskiyar cewa abincin teku shine tushen abinci ga al ofumar waɗannan ƙasashe, Jafananci da Vietnamese ba sa cin naman kifayen Whale don abinci. Sunan Vietnamese na wannan dabba yana da fassarar zahiri: "Ya Kifi na Kifi."
Babban mahimmancin shine kifayen kifayen don kasuwancin yawon shakatawa. Yawon shakatawa ya shahara sosai lokacin da masu yawon bude ido zasu iya kallon waɗannan kyawawan abubuwan motsa jiki daga gefen jirgin. Kuma wasu daredevils yi iyo tare da daskararrun ruwa a kansu. Irin wannan balaguron ruwa ya shahara a Mexico, Seychelles, Caribbean da Maldives, a Ostiraliya. Tabbas, irin wannan karɓar hankalin mutane ba zai bayar da gudummawa ga ci gaban yawan waɗannan kifayen ba, waɗanda tuni sun zama ƙarami. Ya kamata masu yawon bude ido su nisanta daga gare su, ba wai don dalilai na aminci ba, har ma don kar su lalata murfin mucous na waje wanda ke kare fatar dabbobi daga lalacewa ta hanyar ƙananan kwari. Yunkurin da ake yi don ci gaba da tsare waɗannan kifayen cikin bauta.
Na farko gwajin ya dawo ne a 1934. Ba a sanya kifin a cikin akwatin kifaye ba. Wani sashe na musamman na bakin ruwa ya zama babban abin aiki a gare shi (Tsibirin Japan. Kifin ya rayu kwanaki 122. A lokacin 1980-1996, a Japan, mafi yawan waɗannan dabbobin an bar su zuwa zaman talala - 16. Daga waɗannan, mata biyu da maza 14. A yanzu, Yaro mai tsawon mita 4.6, mafi girma daga cikin manyan kifayen kifayen da aka kama, suna zaune a Okinawa a cikin teku. Babban abincin kifayen da aka kama kusa da Okinawa shine jigon teku (krill), ƙananan squids da ƙananan kifi.
Tun shekara ta 2007, kifin sharks 2 (3.7 da 4.5 m), wanda aka kama kusa da Taiwan, suna cikin Aquarium na Georgia na Atlanta (Amurka). Thearfin akwatin kifaye na waɗannan kifin ya wuce dubu 23.8. Misalin da aka sa a cikin wannan akwatin kifayen ya mutu a 2007. Kwarewar masanan kimiyyar Taiwan a kan kiyaye kifayen kifaye a cikin bauta ba shi da nasara. Sharks biyu sun mutu ba da daɗewa ba bayan sanya su a cikin akwatin kifin, kuma a cikin 2005 ƙoƙarin ya yi nasara. Zuwa yau, akwai manyan kifayen kifaye biyu a cikin akwatin kifayen Taiwan. Ofaya daga cikinsu, mace mai mita 4.2, ba ta da fin fin-rsan. Ta wataƙila, ta sha wahala daga masunta ko kuma daga haƙoran maharbi. Tun daga lokacin bazara na shekarar 2008, wani mutum mai mita 4 ya ajiye a cikin akwatin kifaye na Dubai (adon tanki shine 11,000 m3). An ciyar da kifi a krill, wato, abincinsa baya bambanta da "menu" na baleen whales.
Abin takaici, yawan kifayen kifaye a duniya yana raguwa. Babban dalilin shi ne yin farauta, duk da haramcin kamun kifi a kasashe da yawa. Bugu da ƙari, waɗannan ba kawai mafi girma ba ne, amma watakila ƙarancin kifin da aka yi nazari akan duniyar. Yawancin rayukansu suna wucewa zuwa gabar teku, don haka nazarin waɗannan dabbobin suna haifar da wasu matsaloli. Whale shark yana buƙatar taimakonmu. Inganta fahimtar halayen halayensu, ƙayyadaddun kayan abinci da ƙirar halitta zai bamu damar haɓaka matakan kirki don kiyaye waɗannan manyan halittu a matsayin nau'in halitta.