Dabbar dolfin fata-fari mai amo tana cikin mallakar halittar dolphin na halittar jini. Wannan nau'in kuma ana kiranta dabbar dolfin na Chile, tunda ana iya samunsa a bakin iyakar Chile. Yan gari suna kiran sa Tunin (Tonin). Ana lura da mafi girman wadannan dabbobi masu shayarwa a cikin ruwa daga garin Valparaiso na gabar teku zuwa Cape Horn. Wakilan nau'ikan jinsin sun fi son zama a cikin zurfin zurfin da bai wuce mita 200 ba. Har ila yau, suna ƙaunar al'adun gargajiyoyi. A wa annan wurare suna jan hankalin kogi.
Bayanin
Tsawon jiki ba ya wuce 15 cm tare da nauyin 25-75 kg. Zuciyar bata fuska, jikinta yayi nauyi. Yayi kauri sosai wani lokacin da girth a wani lokaci yakan kai kashi biyu bisa uku na tsawon. Dorsal fin da ƙananan flippers. A cikin bakin, akwai nau'i nau'i huɗu na hakora a saman muƙamuƙi, 33 kuma akan ƙananan muƙamuƙi.
Launi kyakkyawa ne. Abun ciki, makogwaro da gindin murfin farin fararen fata ne. Shugaban, baya da bangarorin cakuda launuka ne na launin toka. Wadannan dabbobin suna da zamantakewa. Suna zaune cikin kungiyoyi, wanda adadinsu bai wuce mutum 10 ba. Manyan dabbobin suna da wuya.
Sake buguwa da tsawon rai
Ba a san kaɗan game da haifuwar wannan nau'in ba. Balagagge cikin mace da namiji yana faruwa ne tun yana shekara 5 zuwa 9. Mata suna haihuwar zuriya sau ɗaya a cikin shekaru 2. Ciki yakan wuce watanni 10-12. An haifi jariri 1. Ba'a san tsawon lokacin da lactation din zai tsaya ba kuma wane lokaci da dabbar dolfin take tare da mahaifiyarta. A cikin daji, dabbar dolphin da ke da farin jini tana rayuwa na kusan shekara 20.
Janar bayani
Wannan nau'in ya karanci karatu. Yana da kyau a wajan gabar ruwan Chile kuma baya ƙaura. Ba a san takamaiman lambar ba. An kiyasta cewa akwai wakilai dubu da yawa. Koyaya, wasu masana sunyi imanin cewa dabbar dolphins fari-kadan
Ya kamata a ce a farkon karni na karshe an kira wannan jinsin da “dabbar dolphin”, dukda cewa babu launuka masu launi a launinta. Wannan na iya bayanin ta hanyar cewa masana sun ga gawawwakin mutanen da aka jefa kawai a bakin. Fatar su, a ƙarƙashin rinjayar iska, ta yi duhu. A cikin bakin teku nesa nesa, dabbar dolphins ma sunyi kama da duhu.
Amma yayin da aka yi nazarin jinsunan, sai ya zama cewa fentin waɗannan dabbobi masu shayarwa an fentin su a cikin cakuda sautunan launin toka, ciki kuma fari fari. Don haka sunan "dabbar dolfin farar fata" ya bayyana, ya kuma ba mazaunin, ana kiran shi "dabbar dolfin Chile".
Wannan mutuntaka yana da karɓa ta Yarjejeniyar Kare kan Magungunan Migratory na Dabbobin daji. Ana kimanta matsayinta na kusa da yanayin barazanar. Adana wannan keɓantaccen kallon ya dogara ne da haɗin gwiwar duniya da ayyukan majalisa na musamman.
Dabbobin ruwa na kogi
Inia Inniyanci (Inia geoffrensis)
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Matsakaicin tsawon dabbar dolphins na kogin Amazon shine kimanin m 2. Sun zo a duk inuwar launuka masu ruwan hoda: daga mara nauyi-mai haske zuwa ruwan hoda-ruwan hoda mai haske mai ruwan hoda, mai haske kamar wuta mai haske. Wannan canjin launi yana faruwa ne saboda tsabtataccen ruwan da dabbar dolfin yake zaune. Duhun cikin duhu, dabba mai tsananin haske. Hasken rana yana sa su rasa launin ruwan hoda. Ruwa mai sanyi na Amazon yana kare inuwa mai duhu na dabbar dolfin.
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Waɗannan dabbobin, lokacin farin ciki, suna canza launin jikinsu zuwa ruwan hoda mai haske. Akwai bambance-bambancen ilimin halittar mutum tsakanin dolphins na Kogin Amazon da sauran nau'in dolphins. Misali, inii juya wuyansu zuwa gefe, yayin da yawancin jinsunan dabbar dolphin an hana su wannan damar. Wannan halayyar, haɗe da ikonsu na jera gaba ɗaya tare da fin guda kuma a layi guda tare da ɗayan fin, yana taimaka wa dabbobin ruwa a kan kogin. Wadannan dabbobin ruwa a zahiri suna iyo a duk faɗin ƙasar ambaliyar, kuma sassauƙan su yana taimaka musu su matsa kusa da bishiyoyi. Additionalarin ƙarin halayyar da ke bambanta su da sauran nau'in ita ce hakora waɗanda suke kama da motsi. Tare da taimakonsu, suna tauna ciyayi mai laushi. Irin gashin gashi a ƙarshen fuskokinsu suna taimakawa nemo abinci a rafin da yake ƙazanta.
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Ganges (Platanista gangetica)
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Wannan dabbar dolfinan tana da kai da gani baƙon abu. Tinyanan ƙananan idanunsu suna kama da ramuka-kamar ramuka kawai a ƙarshen ƙarshen bakin bakinsu. Idanun ba su da amfani, waɗannan dabbar dolfin kusan makafi ne kuma suna ƙayyade kawai launi da ƙarfin haske.
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Dogon datti, mai bakin ciki ne ya liƙe da yalwa mai kaifi, masu bakin hakora waɗanda ke haɗe zuwa bakin kuma ana iya ganin su a wajen bakin bakin. Doarshen dorsal yana da bayyanar karamin hump trianggular, ciki na zagaye, wanda ya ba dolphins wani irin yanayi mai kyau. Faifan yatsan faren faren fareeda ne, babba da fadi, suna da lasifik mai zuwa. Endsarshen wutsiya kuma babba ne.
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Dolphins sun girma har zuwa 2.5 m kuma suna yin nauyi sama da kilo 90, mace tayi kadan fiye da maza.
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La Plata Dolphin (Pontoporia blainvillei)
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Mafi yawanci ana samun su a yankunan bakin teku na kudu maso Kudancin Amurka. Wannan memba na dangin dolphin shine kadai jinsin da ke rayuwa a cikin yanayin ruwan. Ana iya ganin Dolphin La Plata a cikin kewayen wurare da kuma rafin bakin teku, inda ruwan gishiri.
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Dabbar dolphin tana da mafi tsayi baki dangane da girman jikin mutum a tsakanin duk dangin dabbar dolphin. A cikin manya, beak na iya zama har zuwa 15% na tsayin jiki. Suna ɗaya daga cikin ƙananan dabbar dolphins, dabbar dabba 1.5 m tsawon.
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La Plata dolphins jere a cikin ruwa ba tare da ƙashin kansa na pectoral ba, amma tare da ƙarancin ƙatun. Matan dolphins La Plata sun isa lokacin balaga tun tana shekara hudu, kuma bayan lokacin daukar ciki na watanni 10-11 suka fara haihuwar tun tana shekara biyar. Suna da nauyin kilo 50 (maza da mata) kuma suna rayuwa a cikin yanayi na matsakaicin shekaru 20.
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Dabbobin ruwa na teku
Dogon-cajin gama gari (Delphinus capensis)
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Dolphin bayan cikakken balaga ya kai tsayi har zuwa 2.6 m kuma nauyinsa ya kai kilo 230, yayin da maza suke da nauyi fiye da na mace. Wadannan dabbobin dolphin suna da kullun duhu, farin ciki da rawaya, gwal ko launin toka wanda yake bin sifar hourglass.
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Dogon maɓallin doguwar doguwar ƙusoshin uku yana a tsakiyar ta baya, dogo mai tsayi (kamar yadda sunan ya nuna) sanye take da ƙananan haƙoran haƙora.
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Dabbar dolfin-farin ganga (Delphinus delphis)
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Yana da launi mai ban sha'awa. A jikin mutum alamu ne na launin launin toka mai duhu, wanda yake rufewa a cikin kamannin (V-siffar) a ƙarshen ɗakunan ciki na jikin mutum. Yankunan suna launin ruwan kasa ko rawaya a gaban kuma launin toka a baya. Dabbar dabbar dolfin baƙar fata ce ko launin ruwan kasa, ciki kuwa haƙiƙa.
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Maza sun fi tsayi kuma saboda haka sun fi maza yawa. Kimanta kilogram 200 kuma har zuwa tsawon 2.4 a tsayi. A cikin bakin akwai hakora 65 a cikin kowane rabi na muƙamuƙin, wanda ya sa ta zama mai shayarwa tare da yawan hakora.
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Dabbar dolfin daskararre (Cephalorhynchus eutropia)
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Tsawon wannan karamin nau'in dabbar dolphin yana kan matsakaici 1.5-1.8 a cikin balagagge. Saboda ƙananan girman da siffar zagaye na waɗannan dolphins, wasu lokuta sun rikice tare da porpoises.
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Launin Jiki wani cakuda launuka daban-daban na launin toka mai duhu tare da launi mai wari a kusa da ƙusoshin da ciki.
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Yana sauƙaƙe ganowa da rarrabe ta daga sauran nau'in dabbar dolp: guntun hagu mai cike da tsinkaye, falle-falle masu zagaye da kuma ƙararren dorsal.
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Dogon dabbar dolfin ruwa (Stenella Longirostris)
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Dolphins an san su da fasaha na acrobats a cikin dangi (sauran dabbobin ruwa wasu lokuta suna jujjuya iska a cikin iska, amma don ma'aurata ne kawai). Dabbar dolfin da aka dade tana gani tana zaune a gabashin tekun Pacific na Tsibiri, tana sanya juzu'ai bakwai na jikin a tsalle guda daya, ta fara jujjuyawa cikin ruwa kafin ta hau saman bene, kuma ta zube har zuwa 3 a cikin iska, tana zage-zage ci gaba kafin ta fadi ta koma cikin teku.
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Duk dabbar dolfin dogo mai dogon hanci suna da dogaye, bakin bakin ciki, siririn jiki, kananan ƙanana mai fiɗa tare da dubannun baki da babban fin bayan doya.
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Dabbar dabbar dolphin (Lagenorhynchus albirostris)
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Dabbar dolfin matsakaici tana da matuƙar gargaɗi ga arewa-maso-gabas da yammacin Atlantika, tana da wadataccen ruwa tare da matsakaiciyar tsawon 2-3 m kuma nauyinsa ya kai kilogram 360 lokacin da ya balaga.
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Kamar yadda sunan ya nuna, dabbar dolfin ta sami sunan ta saboda gajarta fari mai laushi mai laushi. Bangarenta na baki ne. Dabbar dabbar dolfin tana da ƙusoshin baƙi da firiji masu baƙi. Partashin ƙananan jikin yana fari da kirim. Fari mai gudana yana gudana akan idanun kusa da ƙusa zuwa gefen baya da na bayan finfin hannun.
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Dolphin m Dabbar Dolphin (Steno bredanensis)
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Ga alama ba sabon abu bane, dolphins na waje suna da asali, yanzun kamar dabbobin ruwa prehistoric. Babban fasali shine karamin kai. Wannan shi ne kawai dabbar dolfin da aka biya kudin ba tare da wani abin lura m tsakanin beak da goshi. Gefen yana da tsawo, fari fari, yana tafiya daidai a cikin goshin dake kwance. Jiki ya koma launin toka. A baya haske ne launin toka. Farin ciki a wasu lokuta tare da taɓawa da ruwan hoda. Jikin yana da farin digo mara kyau.
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Filin ya fi tsayi da girma, fin din dorsal yana da girma kuma dan kadan ya “daure” ko mai yaduwa.
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Dabbar dolphin (Tursiops truncatus)
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A cikin maganganun mutane, wataƙila dukkanin dabbobin ruwa dolphins ne na dolphins. Su ne mafi mashahuri ga kowane nau'i saboda fina-finai da wasan kwaikwayo na talabijin. A matsayinka na mai mulkin, waɗannan manyan manya-manyan mutane ne da ke da duhu da kuma bakin ciki. Suna da ɗan gajeren kuma gajeren baki da kyawun bakin da ke kama da dolphins suna murmushi - fasalin mara kyau idan ka yi la’akari da yadda wannan “murmushin” ya yi dabbar dolphins ga masana'antar "nishaɗi". Abubuwan da aka sanya a ciki da kuma alamomin a sama a sama ya zama na musamman kamar yatsan mutum.
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M fuska (Peponocephala electra)
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Bodyan wasan wuta mai kamannin kai da kuma conical kai ne mai kyau don yin iyo da sauri. Gashin baki ya ɓace, shugaban yana daɗaɗa laushi tare da yin ado da farin alamu akan leɓun baki da “masks” masu duhu a idanu - musamman alamuran waɗannan dabbobi. Insaƙƙarfan ƙyallen madaidaitan hancin, da ƙyallen firsuna da ƙoshin caudal, jikin mai launin fata yana da "kawuna" mai duhu a ƙarƙashin ƙashin ƙyallen huhun ciki da na shuɗi a ciki.
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Sinanci (Sousa chinensis)
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Duk dabbar dolphin suna da ƙaramin ƙaramar triangular akan hump. Duk dabbobin "hutu" masu kama da juna. Amma jinsunan Sinawa ba su da halayyar “hump” fiye da ‘yan uwanta na Atlantika, amma sun fi fice fiye da Indo-Pacific da dabbar dolfin Ostiraliya.
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Tsawon kai da jiki shine 120-280 cm, har zuwa kilogram 140 a nauyi. Dogayen kunnun bakin ciki suna cike da hakora, caan ƙanƙan kafaɗɗun fut (45 cm), ƙwalƙwalwar ƙwalwa (15 cm a tsayi) da ƙashin hancin guda (30 cm). A launi, dabbobin ruwa masu launin ruwan kasa, launin toka, baki a saman da kodadde a ƙasa. Wasu samfurori na iya zama fari, mai fasasshen fari, ko kuma tarko. Wani lokacin ana kiransu Pink Dolphins.
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Irrawaddy (Orcaella brevirostris)
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Babu wahalar gano dabbar dolphin. Jinsunan Irrawaddy suna da saurin ganewa kai tsaye, maras nauyi zagaye da wulakanci ba tare da katako ba. Dabbobin suna kama da belugas, kawai tare da dorsal fin. An ba da bayyanar da ƙissar ɗin ta hanyar leɓunansu masu motsi kuma suna ɗora a wuyoyin, dabbobin ruwa na iya motsa kawunansu ta kowane bangare. Suna da launin toka a ko'ina cikin jiki, amma suna kan ciki. Finfin ƙyallen ƙaramin abu ƙarami ne, tuffafan dogo ne babba da babba, tare da gefuna gaban gabaɗaya da ƙareren zagaye, wutsiyoyin kuma manya ne.
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Cruciform (gicciye na Lagenorhynchus)
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Yanayi ya bambanta alamar dabba a garesu ta dabbobi kamar yadda hourglass yake. Dabbar launi dabbar dolphin baƙar fata ce (fararen ciki), a kowane ɓangaren ɓangaren jikin akwai farar fata (fara daga bayan bakin da dama zuwa wutsiya), wanda ke ba da labari a ƙarƙashin cinikin ɗakuna, yana haifar da yanayin hourglass. Dolphins kuma suna da ƙusoshin halayyar ɗan adam, waɗanda suke da kamanninsa suna kama da ƙugiya a gindi mai tsayi. Idan aka ci gaba da cin fin, sai a maimaita shi.
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Kisa kifi (Orcinus orca)
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Kisan Whales (Ee, Ee, yana cikin dangin dolphin) sune mafi girma kuma mafi girma daga cikin magabatan duniya. Ana gane su nan da nan ta yanayin halayensu na fari da fari: madaukakiyar fatar baƙi da farin farin ƙasa, farin tabo a gaban kowane ido da ɗayan bangarorin, “tabo mara nauyi” kai tsaye bayan ƙarancin ƙyallen. Mai hankali da walwala, kifayen khalifa suna haifar da sautuka iri iri iri iri, kowane jamb yana waka bayanin abubuwan da membobinta suke ganewa koda daga nesa. Suna amfani da echolocation don sadarwa da farauta.
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Dabbar dolphin kiwo
A cikin dabbobin ruwa, kwayoyin halittar suna kan ƙananan jikin mutum. Maza suna da ramuka biyu, ɗayan yana ɓoye azzakarin kuma ɗayan dubura. Matar tana da rata ɗaya wacce ke ɗauke da farjin ciki da dubura. Rukunin madara biyu suna kann ɓangarorin biyu na farjin mace.
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Coarfin Dolphin yana faruwa a ciki zuwa ciki, aikin yana gajarta ne, amma ana iya maimaita shi sau da yawa cikin kankanin lokaci. Lokacin haihuwar ya dogara da nau'in, a cikin kananan dolphins wannan lokacin shine watanni 11-12, a cikin kifayen kisa - kusan 17. Yawancin dabbobin ruwa suna haihuwar cubaya ɗaya, wanda, ba kamar yawancin dabbobi masu shayarwa ba, a mafi yawan lokuta ana haifar da gaba ta wutsiya. Dolphins suna yin jima'i da ƙuruciya, tun kafin su kai ga balaga, wanda ya danganta da jinsi da jinsi.
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Me dabbar dolphins ke ci
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Kifi da squid sune manyan abinci, amma kifayen kifi suna cin abinci ne a kan wasu dabbobi masu shayarwa kuma wasu lokuta kanada kifayen da suka fi girma kansu.
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Hanyar ciyar da garken dabbobi: dabbobin ruwa suna fitar da makarantar kifi zuwa ƙaramin girma. Bayan haka, dabbar dolphins na ciyar da kifayen kifayen. Hanyar magana: Dabbar dolphins suna kama kifi a cikin ruwa mai sauƙi don sauƙaƙe kama. Wasu nau'in sun bugi kifayen da wutsiyoyinsu, suka stun kuma suka ci. Wasu kuma suna cire kifin daga ruwa kuma suna kama ganima.
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Abokan gaba na dabbar dolphins
Dolphins ba su da abokan gaba. Wasu nau'in ko ƙayyadaddun yawan ba su da ko ɗaya, suna saman tayin abinci. Manyan kifin kifayen da suke kama dabbobi kan dabbobin dolphins, musamman kananan dabbobi. Wasu manyan nau'in dabbar dolphin, musamman kifayen khalil, suma suna cin ganyayyaki akan ƙananan dolphins, amma waɗannan lokuta masu haɗari
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Dangantakar mutane ga dabbobin ruwa
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Dolphins suna taka muhimmiyar rawa a cikin al'adun mutane. Tarihi na Girkawa ya ambace su. Dabbar Dolphins tana da mahimmanci ga Minoans, suna yin hukunci ta hanyar bayanan zane daga fadar da ta lalace a Knossos. A tarihin arna na Hindu, dabbar dolfin tana da alaƙa da Ganges, allahn kogin Ganges.
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Amma mutane ba wai kawai suna son waɗannan halittun ba ne, har ma suna lalata su, suna jawo wahala.
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Yaudarar kamun kifi da gillnets ba da gangan suke kashe dabbobin ruwa ba. A wasu yankuna na duniya, kamar Japan da tsibirin Faroe, dabbobin ruwa ana ɗaukar su a matsayin abinci, kuma mutane ke farautar su da garabas.
Farin-bellied / Cephalorhynchus eutropia
Akwai kyakkyawar gani a bakin iyakar Chile, wannan shine dalilin da ya sa ake kiransu dabbar dolphin na Chile. Ba sa yin girma sama da cm 15 a tsayi, kuma jiki mai nauyi.
Wani ɓangare na makogwaro, ciki da ƙananan ƙashin ƙyallen fata fararen fata ne, amma kashin baya da gefuna wani launi ne na launin toka. Yan gari sun kira shi Tunina. Akwai jerin nau'in dabbobi masu saurin shaye-shaye a cikin Littafin Ruwa.
Wannan kuma shine mafi yawan nau'in nazarin halitta.Masana kimiyya ba za su iya tantance girman adadinsu ba daidai.
Rarrafe / Cephalorhynchus
Dabbobin mu, wanda za'a iya samu kawai a Kudancin Hemisphere, yana buɗe jerinmu akan yawancin-beauty.ru Tsarin halittar ya hada da nau'ikan hudu. Manya sun kai 180 cm, kuma suna nauyin kilogram 30 zuwa 85.
Suna da bambanci tsakanin baki da fari. Ana nuna su ta hanyar wasa, da hannu sosai. Galibi ana ganinsu suna iyo da sauri a saman ruwa kuma suna tsalle daga ruwan. Yawancin lokaci ana ajiye shi a cikin ƙananan garken mutane 2-8.
Speciesaya daga cikin jinsunan compononii na Cephalorhynchus an mai suna ne bayan ƙwararren masanin kimiyar nan na Faransa mai suna Philibert Commerson. Shine farkon wanda ya fara a 1767 don bayyana sabon nau'in halitta.
Dabbar Dolphin squirrel / Delphinus delphis
Bangon halittar wadannan halittun marine shuɗi ne ko baƙi. Tsiri yana gudana tare da bangarorin. Bayyananniya sun ƙaddara sunan janar.
Kuna iya saduwa dasu a cikin Tekun Atlantika da tekun Pacific. Sun zabi wurare masu zafi, amma ruwa mai sanyi suna iyo. Suna girma zuwa 240 cm tsayi, kuma suna awo daga 60 zuwa 80 kg.
Suna ciyar da kifi, kazalika da cephalopods. Waɗannan sune mafiya yawan dabbobi masu shayarwa. Suna da hakora 240. Kwanan nan, an gano sabon nau'in dabbar dolphins na Black Sea.
Fitowar farin dabbar dolfin
Dabbar dolfin farin-bell dinta suna daga cikin kananan cetaceans da suke wanzu yau akan duniyarmu. Matsakaicin tsayin dabbar da wannan dabba yayi ya kai 170 cm.
Dabbar dolfin farin-bellied (Cephalorhynchus eutropia).
Kari akan haka, waɗannan dabbobin suna da isashshen haske, wanda hakan yake basu kama da irin wannan mazaunin zurfin teku a matsayin ɗan aladun Guinea - yawancin masu lura da al'amura basu yarda dasu ba. Siffar jikin farin dabbar dolfin fuka-fukai ce, yawan dabbar tana yawanci 2/3 na tsawon tsayin jikinta. Wato, irin wannan dabbar dolfin tana da ƙoshin lafiya kuma tana gani kamar ana zagaye. Girman tsintsaye da ƙoshin baya a cikin girman jikinsu ya ƙanƙan da na sauran dabbobin dolphins.
Wadannan dabbobi masu shayarwa sun samo sunansu saboda launin launirsu: ciki da yatsunsu suna fari, kuma makogwaronsu mai sauƙi ne. Ragowar jikin yana cikin launuka daban-daban na launin toka da baki.
Dabbobin dolphins kawai ana samun su ne daga bakin iyakar Chile, mazauna karkara suna kiransu "Tunina".
Siffar halayyar wannan nau'in dolphins na cetacean shine kasancewar nau'i-nau'i na 28-34 hakora a saman muƙamuƙi, da kuma duka 29-33 nau'i-nau'i akan ƙananan muƙamuƙin.
Dabbar Dolphin Habitat
Daya daga cikin sunayen wadannan dabbobin yayi magana da kansa: Dabbobin ruwa na kasar Chile ana samunsu ne a gefen gabar Chile. Yankunan su ya faɗi zuwa kan kunkuntar yanki daga arewa zuwa kudu - daga Valparaiso, wanda yake a digiri 33 a kudu maso gabas har zuwa Cape Horn, wanda ke a ma'aunin kudu maso yamma 55. Yana yiwuwa wannan shine ɗayan dabbobin dabbobin da aka karance su, duk da haka, masana kimiyya sunyi jayayya cewa wannan nau'in ba shi da ƙaura ga ƙaura, kuma ya fi son yin rayuwa a kusa da wurin haihuwa.
Dangane da bayanai marasa inganci waɗanda masu binciken kimiyyar halitta sun sami nasarar tattarawa a wannan lokacin, dabbar dolphin mai farin jini ta fi son ta zauna cikin ruwa mara zurfi, zurfin da bai wuce mita 200 ba, haka kuma a cikin yanki mara tsafta da ruwa mai tsafta. Hakanan yana faruwa a cikin yankuna na kogi, inda aka lalata ruwan teku tare da wani sabon kogi daga babban yankin.
Ko yaya girman wannan nau'in, dabbar dolfin fata-fari mai ban sha'awa tana da kyau a bakin tekun Chile.
Black Dolphin Rayuwa da Abinci
Kamar yadda aka ambata a baya, dabbobin da ke fama da fararen fata ba a yin karatu sosai. Amintaccen abu ne sananne cewa suna zaune a cikin garken dabbobi waɗanda a cikinsu ake samun manya 2 zuwa 10. Recordedarancin manyan garken garke, wanda aka ƙwallaye 50 a raga. Akwai shaidun masana kimiyya da ke lura da garken dabbar dolfhin da ke da kusan shugabannin 4,000, a gefen arewacin mazaunin. Koyaya, a cewar wasu masana kimiyya, yawan wannan nau'in ba su wuce buri 2000 ba gaba ɗaya, wanda ke nufin garken 4000 labari ne na kuskure ko kuskure. Rikici ya ci gaba har zuwa yau.
Mafi sau da yawa, dabbobin ruwa suna haɗuwa cikin rukuni don ciyarwa da motsi a cikin kewayon. Sau da yawa nuna sha'awar jiragen ruwa, tafiya kusa da bangarorin tare da sha'awa tare da jirgin ruwa.
Amma game da tsarin abincin, to, dabbar dolfin farar fata, tana da bambanci sosai. Ya ƙunshi nau'in nau'in kifaye (sardines, mackerels da anchovies), har da cefalopods, kamar squid da cuttlefish. Hakanan, dabbar dolfin na Chile ba ta ƙin ƙaramin ɓoyayyen kayan ɓoyayyiyar abubuwa ba. An yi imani cewa karamin kifi na iya zama ganima ga dabbar dolp idan ta shiga wuraren da take ciyarwa.
Hakanan ana cin abinci, musamman algae kore. Sakamakon karancin nazarin nau'in, da rashin alheri, babu cikakken bayani game da abincin da yake ci.
Yawancin lokaci ana kiyaye waɗannan dabbobin a cikin ƙananan garkuna - daga mutane 2 zuwa 10.
Kiwo daskararren dabbar Dolfhins
Duk bayanan da suka danganta da dabbar dabbar dolfin farar fata tana cikin duhu. Tsarin da ke kusa da su, wanda aka yi nazari sosai, ana iya daidaita shi tare da dabbar dolfin na Chile, wanda ke nufin cewa haihuwar wannan nau'in dabbar dolphin tana da kusan watanni 10, bayan haka mace ta haifi ɗa ɗaya. Yawan shekarun wadannan dabbobin sune kusan shekaru 18-20.
Matsayin kariya daga dabbar dolfin
Dangane da yawan wadannan dabbobi masu shayarwa a yanayi, da kuma matsayin kare su, yana da daraja a ambaci cewa an dauki nau'ikan jinsinsu a matsayin "kusa da kasar da ke fuskantar hadari." Wannan yana nufin cewa idan canje-canje na canje-canje a cikin al continuesumma ya ci gaba, to, nau'in zai ɓace nan da nan.
A cikin bayanin farko game da nau'in, an bincika yawancin mutanen da suka mutu, wanda fatar jikinsa tayi duhu saboda haɗuwa da iska, amma a zahiri baya na dabbobi masu shayarwa suna canza launin launuka daban-daban na launin toka.
Arfafa nau'in jinsin an sauƙaƙe sauƙin ta hanyar kamun kifi da ƙugiya waɗanda ke cutar da ƙoshin dabbar dolphins. Dabbobin da suka ji rauni sun mutu sau da yawa daga zubar jini, ko kuwa mutu, suna ɗaure su a raga.
Hakanan, dabbar dolphins da yawa sun mutu a hannun masunta a cikin 80s na karni na karshe, lokacin da ire-irensu suka kasance kasuwanci. A cewar kimomi daban-daban, yawan farin dabbar dolphin a cikin wadancan shekarun sun bata daga 1,200 zuwa mutum 1,600.
Idan kun sami kuskure, da fatan za selecti yanki na rubutu kuma latsa Ctrl + Shigar.
Dabbar dolphin / Lagenorhynchus mai gicciye
Hoton yana nuna mazaunin Antarctic da ruwa mai ƙarƙashin ruwa. Yana haifar da rayuwar sirri, wanda ke sa wahalar haɗuwa. Sun koya game da shi daga zane wanda aka yi a 1820.
Iyayen da kawai ilimin kimiyya ya sani daga asusun masu shaidar gani. Har zuwa yau, mutane 6 ne kawai aka yi nazari. A jikin baƙar fata, wani farin abu, wanda yake haifar da nau'in hourglass.
Kamar duk dabbobin ruwa, dabba dabba ce. Whalers ya haɗu da ƙananan rukuni na mutane 5-6. Akwai shaidun shaidun gani da ido waɗanda suka ga ƙungiyoyi har zuwa 100.
Af, a kan rukunin yanar gizon mu mafi yawan- baauty.ru akwai labarin mai ban sha'awa game da mafi kyawun dabbobi a duniya.
Dabbar dolfhin fuska-Lagenorhynchus albirostris
Babban wakilin dabbar dolphin yana girma zuwa mita 3 a tsayi, yayin da nauyinsa yakai kilo 275. Siffar halayyar hasken su, kusan farin kyan gani.
Suna zaune a arewacin Atlanta. Ganin ƙaura, masana kimiyya sun lura cewa zasu iya iyo zuwa bakin tekun Turkiyya. An samo su a bakin tekun Fotugal. Riƙe cikin nau'i-nau'i ko rukuni na mutane 10-12.
Saurin cikin ruwa ya kai kilomita 30 / h, kuma yana iya nutsuwa har zuwa 45. Ba a fahimci zuriyar ba. Masana kimiyya kimanta yawan jama'a a ɗaruruwan ɗaruruwan mutane. Kyakkyawan fararen fata maza masu kariya.
Kwalban dolphins / Tursiops
Paya daga cikin dabbobin ruwa na yau da kullun. Tsarin halittar ya hada da nau'ikan halittu uku. Suna zaune a kusan dukkanin tekuna da tekun duniya.
Suna girma daga 2 zuwa 4 m, kuma suna awo daga kilogram 150 zuwa 600. Dangane da mazauninsu, launin yana canzawa. A tarnaƙi zaka iya ganin tabarbarewa ta hanyar aibobi ko ƙananan rariyoyi.
Masanin kimiyyar Faransa Paul Gervais ne ya fara bayanin dabbar dolmo a shekara ta 1815. A tsawon lokaci, masana kimiyya sun gano nau'ikan halittu. Saboda siffar gwal da beak, ana kiransu dabbar dolmose. Wannan nau'i yana ba ku damar sauri yin iyo da sauri don nutsewa.
Solaria na Amazon / Sotalia fluviatilis
Ta takamaiman sunan, zaku iya fahimtar cewa ana samo waɗannan dabbar dolfin a cikin kwandunan Amazon, kazalika da bakin tekun Latin Amurka. Yan gari suna kiransu Tukushi. Don haka aka kira su kabilu na rukunin yare na Tupi, kuma an daidaita shi cikin magana ta magana.
A waje, sun yi kama da dabbobin ruwa, amma Tukushi sun fi kadan. Tsofaffi ba su girma sama da cm 150. Suna da ciki mai ruwan hoda, kuma baya da tarnaƙi yawanci launin shuɗi ne. Suna zaune cikin rukuni na mutane 10-15.
Masana kimiyya sun banbanta tsakanin ragin kogi da teku. Ana nuna hoton farin dabbar a jikin mayafin babban birni a Brazil, Rio de Janeiro.
Cetaceans / Lissodelphis
Akwai nau'ikan 2. Ana samun ɗayan a cikin tekun kudu, na biyu a arewacin latitude. Girma har zuwa 2.5 m a tsawon. Gashinsu yana da bakin ciki, kuma fin ƙarar ba ya nan.
A kan bangarorin akwai ƙwanƙwasa ƙwanƙwasa ƙwallan wuta biyu. Tsarin kunkuntar guntu da kashin baya yana ba su damar haɓaka babban gudu da nutsewa cikin zurfin neman abinci.
Suna ciyar da ƙananan kifaye, ɓoye, da mollusks. Ana iya samun nau'in arewacin a cikin tekun Far Far a bakin tekun Rasha.
Irrawaddy Dolphin / Orcaella breviros
Mafi kyawun wakilin babban dabbar dolphin. Ba su da baki. Ba kamar sauran nau'in halitta ba, suna da wuyan motsi.
An samo su a cikin ruwan dumi na Tekun Indiya, daga bakin Tekun Indiya zuwa Ostiriya. Zauna a cikin mutane 3 zuwa 6 mutane. Sauƙaƙe canza rukuni, kuma fi so in zauna a bakin tekun. Tsawon jiki daga 150 zuwa 275 cm. nauyi ya kai kilogiram 140.
Suna iyo a hankali, kuma don dubawa sai suka ɗaga kawunansu sama da ruwa. Suna fitowa don hadiye iska kuma suna aikatawa da sauri. An gano wani sabon mazaunin teku wanda aka bayyana shi kuma aka bayyana shi a cikin 1866.
Dabbar dolphin na kasar Sin / Sousa chinensis
Wani mazaunin yankin kudu maso gabashin Asiya, dabbar dolphin, zai cika jerinmu. A shekara ta 2017, hukumar kula da dabbobin da ke kasar ta Sin ta ba da sanarwar halittar jinsunan.
Akwai wani fin da baƙon abu a bango, wanda shine dalilin da yasa ake kiransa da "mai ɗaukar tutar". A China, sunansa Baiji. A shekarar 1918, aka bude mazaunan manyan tafkuna da koguna na lardin Wuhan na kasar Sin.
Lafiyar Qasa da salon rayuwa kusan ba a kulawa da su. Siffar halayyar haɓakar baki ce mai dawwama. An haifi jarirai baki ɗaya baki ɗaya, kuma a kan lokaci, launi na jiki ke yi haske. Abin baƙin ciki ne cewa wannan nau'in ya ɓace daga duniyarmu.
Abubuwan ban sha'awa game da waɗannan halittu masu ban sha'awa da wayo suna sabunta kowace shekara tare da sabon bayani. A ƙarshe, mun lura cewa dabbar dolfin a lokacin juyin halitta ta haɓaka tsarin su na siginar. Yaran suna samun nasu suna yayin haihuwa. Suna amsa wannan siginar a duk rayuwarsu. Wata damar halittar halittar teku masu ban mamaki ita ce sanin kansu a cikin madubi.
Rubuta mana a cikin maganganun wanne nau'in dabbar dolphin da kuka fi so. Hakanan zamu gamsu da labarunku da suka shafi dabbobin dolphins.