Dabbar dollon-kai - Lagenorhynchus albirostris gani kuma 6.1.3. Hannun dabbobin dolus-Short-billiyoyin Lagenorhynchus Dabbobin ruwa-dabbar dolghin Lagenorhynchus albirostris (Tebur 25) Tsawon 2.5 3. m. Manya a saman, bangarorin da ƙege sunyi baki, baki da ciki fari ne. Mafi dabbar dolphin a cikin Baltic ... ... Dabbobin Rasha. Adireshin
WHITE DOLPHIN - (Lagenorhynchus albirostris) wani nau'in dabba mai ruwa na halittar dabbar dolphins gajere (duba SHORT-BEAD DOLPHINS), tsayin jikinsa har zuwa 3. A bayansa, bangarorinsa da ƙeƙashinsa sunyi duhu, kusan baki, ƙice da ciki fari. Duhun duhu akan tarnaƙi yana gangara zuwa ... ... Encyclopedic Dictionary
dabbar dollon-kai - baltasnukis delfinas statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: kuri'a. Lagenorhynchus albirostris angl. fararen dabbar dolfin, farin bepo vok. Langfinnendelphin, Weißschnauzendelphin, weißschnauziger Springer ... Žinduolių pavadinimų žodynas
Dabbar Dolphin - Delphinus delphis gani kuma 6.1.1. Dabbobin kwalayen dolphins Delphinus Dolphin farin-ganga Delphinus delphis (Tebur 25) Tsawon 1.5 2.5 m. Dabbar dolphin mai santsi tare da goshi mai ɗaukar hoto da fari, ƙyalli, dogo mai tsayi. Dorsal fin ... ... Dabbobin Rasha. Adireshin
Dabbar dolfin fatar Atlanta -? Dolphin Kwallan Atlancin Amurka - Wikipedia
Dabbar dolfin Pacific - Lagenorhynchus obuquidens suna gani kuma 6.1.3. Dabbobin ruwa na Genus Short-bill ɗin Lagenorhynchus dolphin Lagenorhynchus obuquidens (banda Bering), Sakhalin da Kudancin Kamchatka suna da mafi yawan jinsunan, kodayake ana ganin yalwar su a cikin 80s ... ... Dabbobin Rasha. Adireshin
Dabbar dolfin Atlanta - Lagenorhynchus acutus gani kuma 6.1.3. Dolphin Short-billi dolphins Lagenorhynchus dolphin dolphin Lagenorhynchus acutus (Tebur 25) Tsawon 2.3 2.7 m. Manya a sama, ƙeƙasassun fuloti da ido daga ido har zuwa wasan pectoral na baki ne, ƙasan farin. A gefe don ... ... Dabbobin Rasha. Adireshin
Dabbar dolfin arewacin cetacean - Lissodelphis borealis gani kuma 6.1.5. Genus Whale mai kama da dolphins Lissodelphis dabbar dolphin ta arewacin Lissodelphis borealis (tsayi 1.8 2.9 m) tare da jiki mai kauri sosai, bakin sa mai kaifi ya ratsa cikin gaban mara nauyi. Spinal ... ... Dabbobin Rasha. Adireshin
farin dabbar dolfin - baltasnukis delfinas statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: kuri'a. Lagenorhynchus albirostris angl. fararen dabbar dolfin, farin bepo vok. Langfinnendelphin, Weißschnauzendelphin, weißschnauziger Springer ... Žinduolių pavadinimų žodynas
dabbar dollon-kai - baltasnukis delfinas statusas T sritis zoologija | vardynas taksono rangas rūšis atitikmenys: kuri'a. Lagenorhynchus albirostris angl. fararen dabbar dolfin, farin bepo vok. Langfinnendelphin, Weißschnauzendelphin, weißschnauziger Springer ... Žinduolių pavadinimų žodynas
Bayanin
Dabbar dabbar dolfin ce mai girman gaske har tsawon mita 3 kuma nauyinta ya kai kilo 354. Jikin babba a bayan layin dorsal da bangarorin suna da launin toka-fari, lowerasan da ke jikinsa fari ne. Kuma babba jikin a gaban fin dorsal mai launin shuɗi ne. Farfin launuka da na alan dorsal suna da launin baƙi. Gashin baki fararen fata ne, amma wani lokacin toka ne launin toka.
Dabbar dollon fuska mai launin fari tana da hakora 25 zuwa 28 akan kowane muƙamuƙi. Suna da kusan vertebrae 92, fiye da kowane nau'in halittar daga dabbar dolphin (Delphinidae).
Dabbar dolphins na farar fata na iya iyo da sauri zuwa 30 kilomita / h kuma tana iya nutsewa zuwa zurfin aƙalla 45 m.
Asalin gani da kwatancin
Hoto: Dabbar Dolfhin da ke fuska da fari
Jikin dabba yana da laushi sosai, baya yana da duhu ko launin toka, ya bambanta da bangarorin haske. Akwai gajeren dusar ƙanƙara-fari ko wutsiya mai launin toka mai haske. Dabbar farfajiyar ciki da dabbar dolphin fari, fitsarin fin ya yi yawa, ya kuma haɓaka sama da ruwa. Bayan ƙwanƙolin ƙwarƙwasa akwai babban wuri mai haske.
Za'a iya bayanin halayen dabbobi na yau da kullun masu aiki:
- ƙungiyoyi suna da sauri da ƙarfin aiki, dabbobin ruwa na dolphins tsalle sama da yawa kuma daga cikin ruwa, suna ba da dariya ga wasu game da halayen su,
- Dabbobin suna son rakiyar jiragen ruwa masu wucewa, suna ta zuga da bakin iska a gaban fasinjoji da matukan jirgin,
- yawanci sukan tattara cikin garkuna kuma ana ɗaukar su cikin rukuni na mutane 28 ko fiye, daga lokaci zuwa lokaci suna samar da manyan garken mutum 200 ko fiye.
Don kamun kifi, za a iya shirya dabbobin ruwa a cikin garken gauraye da irin wannan hanyar. Zai iya zama cakuda ruwan tekun Atlantika da fararen fata. Wani lokaci dabbobi na iya rakiyar manyan kifayen Whales, tare da raba musu kaya da kuma amfani da shi azaman kariya ga yaransu.
Bayyanar fasali da fasali
Hoto: Dabbar dolphin da ke kan farin daga Littafin Ruwa
Tsawon dabbar dolphin na yau da kullun yana daga 1.5 zuwa 9-10 m. Dabbobin da suka fi kowanne girma a duniya shi ne nau'in Maui, wanda ke zaune kusa da New Zealand. Tsawon wannan karamar karamar bai wuce mita 1.6 ba. Mafi girman mazaunin zurfin teku shine dabbar dolfin farar fata, tsawonsa ya fi mita 3.
Babban wakilin wannan aji shine kisa Whale. Tsawon wadannan maza sun kai mita 10. Maza yawanci sunkai 10-20 cm fiye da mace. Dabbobin suna kimanta matsakaitan kilogram 150 zuwa 300; kisa mai kisa yana iya ɗanɗano fiye da ton.
Yankin sashi na jikin saboda layin dorsal da gefan da ke zagaye suna da launin toka-mai launin fari, jikin dabba yana da fararen launi mai haske. Kuma a saman bayan, gaban fin fin din, dabbar dolfin tana da launin shuɗi-baki. Doarfin dorsal da flippers shima suna da launi mai haske mai haske. Gashin dabbar dollon fuska mai launin fari, a al'adance fararen fata ne, amma wani lokacin yakan zama launin toka.
Rayuwa
Rayuwa da dabi'un dabbar dolphins masu launin fata suna da ban sha'awa. Kuna iya magana game da wannan na dogon lokaci, amma yakamata a fadakar da ainihin abubuwan ban sha'awa:
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- dabbobin ruwa na wannan nau'in suna da rawar gani a yanayi - suna son yin dabaru iri daban-daban a cikin ruwa, suna da kyakkyawar mu'amala da mutane kuma gaba daya basa kula da nishadi mai kayatarwa,
- ruwa a karkashin ruwa, dabbobin da ke fuskantar fari suma suna samun sana'a mai ban sha'awa - suna kawai suna bin algae, wanda daga gefen yake ya fi ban dariya,
- Yana fitar da sautuna waɗanda, idan an canza su zuwa hoto mai hoto, suna da siffar fure. Ya kamata a lura cewa babu wata dabba da take da irin wannan sifar,
- Masana kimiyya sun gano cewa duban dan tayi wanda dabbobi ke fitarwa yana tasiri lafiyar mutane. A zahiri, saboda haka, ana amfani da maganin dabbar dolfin don magance ba kawai manya ba, har ma da jarirai.
Akwai kuma bakin ciki - har yanzu, masu bincike ba su yanke dalilin da ya sa a wasu lokuta ana wanke dabbar dolfhin bakin teku ba, wanda ke kai ga mutuwarsu. Af, wakilan launin toka na wannan nau'in dabbobi suna da fasalin da bai dace da su ba.
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Ina farin dabbar dolfhin din yake zaune?
Dabbar dolphin fararen fata mazaunin arewacin latitude ne. Yankin rarraba wannan nau'in ɗan ƙaramin abu ne, yana wakiltar ƙaramin yanki ne kawai na Arewacin Atlantic, daga Labrador, South Greenland, Iceland har zuwa Tekun Baltic. Lokaci-lokaci, dabbar dolphin na iyo zuwa gabar tekun Portugal da Turkiyya. Mafi yawan lokuta ana samun su a bakin tekun Norway, Burtaniya da tsibirin Faroe. A duk faɗin su, dabbobi suna ƙoƙari su bi ruwa tare da zurfin da bai wuce 200 m ba.
Bidiyo: Dabbar dolfin farar fata
Dolphins dangi ne na kifi Whales, saboda haka zasu iya kasancewa karkashin ruwa na dogon lokaci. Lokaci-lokaci dabbobi kan iyo zuwa saman ruwa kuma su sha iska. A lokacin bacci, dabbobi suna ta iyo a hankali don wahayi zuwa saman teku, alhali ba su farka ba. Dolphin ana daukar shi a matsayin dabba mafi shahara a duniyar tamu.
Girman kwakwalwar wannan dabba ita ce kilogram 1.7, wanda shine 300 g. more mutane, convolutions a cikinsu suma sunfi 3 sau fiye da na mutane. Wannan gaskiyar zata iya bayanin halayen zamantakewa na dabba na dabba, iyawa don tausayi, yarda don taimakawa marassa lafiyar da rauni ko kuma mutumin da yake nutsuwa.
Haka kuma, dabbobi suna taimakawa a hankali da hankali. Idan wani dangi ya ji rauni kuma bai riƙe da kyau a kan tudu ba, dabbobin ruwa za su goyi bayan shi, saboda mai haƙuri ba zai iya nutsar ko nutsar da shi ba. Suna yin haka iri ɗaya lokacin da suke ceton mutum, suna taimakawa mutumin da nutsuwa ta isa gaci mai lafiya. Ba shi yiwuwa a bayyana irin waɗannan ayyukan m ta hanyar kula da yawan jama'a. Har zuwa yanzu, masana kimiyya ba zasu iya fassara halayen abokantaka na dabbobin dolf-white, amma mafi yawan abin kama da nuna ƙima da tausayi da kuma cikakken taimako ga wanda abin ya shafa a cikin mawuyacin yanayi.
Habitat
Idan zamuyi magana ne kawai game da ƙasar Rasha, to, dabbar dolphins masu fararen fata suna zaune a Tekun Baltic ko Barents. Gabaɗaya, mazaunin waɗannan dabbobi shine yankin arewacin tekun Atlantika. Amma game da ƙaurawar dabbobin wannan nau'in, har yanzu ba a fahimci shi sosai ba.
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Kai kaɗai, idan muka yi magana game da yanayin halitta, waɗannan fararen hular da ke da kyau ba sa son zama. A matsayinka na mai mulki, sukan tara mutane cikin garken mutane 6-8. Abin lura ne cewa wasu lokuta dolphins suna rayuwa ne kawai da nau'i-nau'i. Ba sabon abu bane ga dabbar dolfin zama tare da mace ɗaya a rayuwarsa.
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Ya kamata a lura cewa abu ne mai wuya, amma har yanzu wasu lokuta sukan taru a garkunan dabbar dolfin 1000-1500. A matsayinka na mai mulkin, ana iya samun irin wannan gungu a wuraren da ake da abinci mai yawa. Amma, a cikin waɗannan yanayi lokacin da abinci ya zama ƙarami, sai su shiga cikin kananan garke.
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Menene kamarsa
An bambanta dabbar dolfhin launin shuɗi Tsawon jikin mutum ya bambanta daga 2.3 zuwa 3.1 m, kuma matsakaicin nauyi na iya kaiwa kilogram 350. An haife yara tare da matsakaicin matsakaicin girman 1.1 m wanda ke kimanin 40 kg. Za'a iya sanin dabbar dolfhin da ke da farin ƙararraki mai launin fari da kuma rabe-raben fararen fata marasa daidaituwa a kowane ɓangaren jiki. Sunan Ingilishi (fari-mai beake) da Latin (albirostris) sunayen nau'ikan jinsin suna fassara su a matsayin “fararen-fararen kaya”, amma bakin wadannan dabbar dolphins bai da farare ko yaushe.
Yanayin fararen fari da aibobi suna da matukar kyau, wannan fasalin yana taimaka wa masana kimiyya, ma'aikata na dolphinariums da tashoshin kimiyya don bambance daidaikun mutane. Launin ƙyallen shima ya bambanta daga baki zuwa launin shuɗi mai launin toka.
Me suke ci
Dangane da abinci mai gina jiki, waɗannan nau'in dabbar dolphins sun fi son ganin crustaceans, mollusks da kifi a menu ɗin su. Abubuwan da aka fi so sune ƙamus, herring, saffron cod, capelin da merlang. Duk da yanayin abokantaka da wasa, lokacin da suke cikin haɗari, dabbar dolfin zata iya kare kanta - don wannan, yanayinta ya ba da hakora masu ƙarfi.
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Ga mutane, irin wannan dabba ba ta da haɗari. Akwai wasu lokutan da dabbar dolfhin da ke fuskar fari ta cutar da mutum, amma wannan ya kasance daidaituwa - da gangan, ba shi da lahani.
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Wataƙila dabbobin dabbobin fararen fata, duk da haka, suna da nau'in launin toka, ɗayan dabbobi masu hankali da kirki waɗanda suke farin cikin saduwa da mutane. Suna ba da kansu cikakke don koyo, wasa tare da yara tare da jin daɗi kuma a hanyoyi da yawa suna nuna hali kamar mutum. Atauki akalla hanyar rayuwa - ƙungiyoyin iyali a cikin waɗannan dabbobin ba sabon abu bane. Wannan shine dalilin da ya sa abin bakin ciki shine gaskiyar cewa wannan nau'in dabbobi marine ya bace, dukda cewa an jera shi a cikin littafin littafi mai kyau, yana karkashin kariya ta hankali. Zai fi wuya a gan su a dabbobin dolphinariums, saboda saboda ƙananan lambobin su, da wuya a kulle su.
Me dabbar dollon fuska take ci?
Hoto: Red Book farin-dabbar dolfhin
A tsarin abincin dabbar dolfhin da ke fuskar fari, akwai samfuran kifin da ke da wadatar ruwa a cikin tekun. Ba sa ƙin jin ƙyamar shrimp ko squid, kamar cin manyan kifi ko ƙananan kifi, suna iya farautar ƙananan tsuntsaye. A lokacin kamun kifi, dabbobin ruwa zasu iya amfani da hanyoyi daban-daban, gami da waɗanda aka haɗa baki ɗaya.
Don yin wannan, dabbobin da ke da hankali suna yin haka:
- aika masu bincike don neman makarantar kifi,
- kewaye makarantar kifaye ta kowane bangare, sannan ka ciyar,
- Suna jan kifi a cikin ruwa mara zurfi, sannan suka kama suka ci a can.
An shigar da shi a cikin littafin Aljihu
Duk da cewa dabbar da ke cike da farin fari ba ta taba tallata hajoji a kan manyan kayayyaki, a wasu kasashe kamar Norway, tsibirin Faroe, Greenland, Iceland da Labrador, wadannan dabbobin an kama su da tsari don amfani da masana'antar abinci. Gabaɗaya, yawan mutanen wannan ɗabi'a suna cikin ingantaccen matsayi. An kiyasta adadin dabbobi kusan mutum dubu 100, kuma a halin yanzu babu wani yunƙurin rage shi. Kamar sauran 'yan cetaceans, dabbar dolphins ta fuskar fari tana fuskantar bushewa, ainihin abubuwanda ba'a tabbatar da su ba. Bugu da kari, an lura da lamuran mutuwar dabbobi a cikin tarunan masunta. Daya daga cikin mummunar barazanar wannan nau'in ita ce gurbata ruwa tare da abubuwan da ke cikin kwayoyin halitta da karafa masu nauyi.
Yana da ban sha'awa
Dolphins daya ne daga cikin abubuwan haɓaka da haɓaka a lokaci guda kuma halittu masu ban mamaki a duniya. Waɗannan dabbobin ba wai kawai suna taimakon danginsu bane daga matsala, amma galibi suna zuwa taimakon mutane ne. Suna tura dabbar dolphins daga garken su zuwa saman ruwa don sauƙaƙe numfashin su, suna ƙoƙarin taimakawa dabbobin da ke cikin tarun kifin, ceton rayuwar masifar ruwa da nutsar da mutane. Masana kimiyyar Amurka daga jami’ar St. Andrews na Florida sun gano cewa dabbobin dolpins suna bambanta juna ba kawai ta hanyar murya ba amma har da suna. A lokacin haihuwar jariri, mahaifiyar tayi wani irin murhu daya, wacce take a matsayin sunan ta. Bayan haka, irin wannan murfin an gyara, sauran membobin fakitin zasu iya wasa dashi. Zuwa yanzu dai, an tabbatar da wannan bayanan ta hanyar kimiyyar halittar dolphins.
Rarrabawa
Mulkin: Dabbobi (Dabbobin dabbobi).
Nau'i: Chordates (Chordata).
Fasali: Dabbobi masu shayarwa (Mammalia).
Squad: Cetaceans (Cetacea).
Iyali: Dabbar dolphin (Delphinidae).
Jinsi: Dabbar dolphins gajere (Lagenorhynchus).
Duba: Dabbar dolphin fararen fata (Lagenorhynchus albirostris).
Siffofin hali da salon rayuwa
Hoto: Dabbar Dolfhin da ke fuska da fari
Yawancin mambobin dabbar dolphin, kamar su kifayen dolphins, fararen fata, nau'in fararen fata, galibi suna zaune ne a cikin tsibirin ruwan gishiri. Amma akwai nau'ikan halittar da suke jin girma a cikin ruwa mai kyau, suna zaune a cikin manyan layuka da koguna. Ana samun dolphins na farin fari a cikin Amazon da Orinoco - manyan kogunan Amurka, kuma an kuma gani a jikin ruwan Asiya.
Sakamakon karuwar gurɓataccen ɗabi'ar halitta, yawan ,anyan dabbar dolphin sun fara raguwa. Sabili da haka, an jera su a cikin littafin Red kuma doka ta kiyaye shi.
Tsarin zamantakewa da haifuwa
Hoto: Dabbar dolphins da ke kan farin kai
Masana kimiyya sun tabbatar da cewa duk nau'in dabbar dolphins suna amfani da harshen alama don tattaunawa da juna. Zai iya zama tsalle ko juya, motsawar kai ko ƙyallen, wagging na wutsiya, da sauransu.
Hakanan, dabbobi masu hankali zasu iya sadarwa da juna ta amfani da sautuna na musamman. Masu bincike sun kirga sama da sau dubu 14 na rawar sauti iri daya kamar wakoki. Akwai tatsuniyoyi game da waƙoƙin dabbar dolphin a kan teku na duk duniya kuma tatsuniya tatsuniya ce.
Kwayoyin Dolphin na iya fahimtar jigilar sauti har 200,000 a sakan na biyu, lokacin da mutane ke lura da 20,000 kawai.
Dabbobi suna rarrabe siginar sauti guda ɗaya daga wani, a sauƙaƙa rarrabe shi zuwa mitoci dabam. Yin amfani da girgiza ultrasonic daban-daban, dabbobi zasu iya watsa mahimman bayanai ga juna akan tsawon nesa a ƙarƙashin ruwa. Baya ga waƙoƙi, ɗaiɗaikun na iya wallafa kalami, danna, creaking, whistling.
Dolphins na iya gargaɗin coan uwansu game da haɗari, bayar da rahoton kusancin babban makarantar kifi, maza suna jan hankalin mata su yi aure. Da yawa daga cikin muhimman abubuwanda suke bukata da kuma sahiban amfani ana yada shi ta hanyar daidaikun mutane zuwa ga zurfafa a cikin tekun, ta hanyar amfani da abubuwan kara kuzari na ruwa.
Akwai nau'ikan sauti iri biyu da dabbobin dolphins:
- Sonar ko amsa kuwwa na sauti da aka yi,
- Sonar sauti ko sautin da mutum yayi
- Masu binciken sun kirga sama da sautuna daban-daban sama da 180 wanda a bayyane zai iya bambance salo, kalmomi, jumla, har ma da yaruka daban-daban.
Mace sun isa matakin tsufa lokacin da suke da shekaru 5 da haihuwa kuma suka zama manya-manya, masu juna biyu kuma masu iya haihuwa. Maza sun ɗan ɗanɗana lokacinsu kuma suna samun ikon yin takin kawai cikin shekaru 10 na rayuwarsu. Dabbobi na iya ƙirƙirar ma'aurata, amma ba zai iya yin aminci cikin dogon lokaci ba, sabili da haka, bayan zuriya sun bayyana, ma'auratan sun watse.
Yawanci, dabbar dolphin tana faruwa a lokacin rani. Yayin haihuwa, mace tayi kokarin zama kusa da saman ruwa domin tura yarinyar nan da nan cikin iska ya dauki numfashin farko. Jariri koyaushe ana haihuwar shi shi kadai, yana da girman har zuwa cm 500. Uwa tana ciyar da shi da madara har zuwa watanni 6, yana tsare da kariya daga kowane nau'in makiya. A wata na fari na rayuwa, dabbar dolphins ba ta yin barci ko kaɗan kuma an tilasta wa uwa ta kalli halayensu a kowane lokaci, kula da amincin zuriyar ta.
Abokan halitta na fari-dabbar dolfhins
Hoto: Dabbar dolphin da ke kan farin daga Littafin Ruwa
Babban tushen barazanar dabbobin dake fari-mutane shine, rayuwar su da hanyoyin kamawa. Dolphins ana cutar da su da iskar masana'antu na datti masu guba waɗanda yawancin baƙin da aka zubar da su kai tsaye cikin teku.
Abokan gaba na dabba mai aminci, dabbar da mai aiki duk basa nan. Wasu dabbobi masu shayarwa suna mutu lokacin da aka kama su a cikin kamun kifi tare da kifi. Sharks za su iya kai hari kan 'ya'yan kifayen dolphins, suna ƙoƙarin su buge ɗan daga uwarsu kuma su ji daɗin dabbar dolphin mai laushi. Amma irin wannan yunƙurin ba da daɗi ba ne tare da nasara, tunda dabbar dolphin na iya ba da cancanta ga kowane maƙiyi, kuma dangi ba zai zama mai son nuna damuwa ba kuma zai taimaka a cikin gwagwarmaya marar daidaituwa.
Duk da cewa dabbar dolphin ba ta kama da kamun kifi kuma ba a kama su da yawa, a wasu ƙasashe ana kama waɗannan dabbobi don amfani da su a masana'antun abinci da na kasuwanci.
Yawan jama'a da matsayinsu
Hoto: Dabbar dabbar dolf dinta a cikin teku
Ba a san takamaiman adadin dabbar dolfhin da ke zaune a tekuna da tekun duniya ba. Aƙalla yawan jama'a shine 200-300 dubu mutane. Dabbar dolfin farar fata ta fi zama a cikin wadannan yankuna:
- a Arewacin Atlanta,
- a gefen tekun Davis Strait da Cape Cod,
- a cikin Barents da Baltic tekuna,
- a wajen kudu na gabar ruwan Fotugal,
- An samo shi a cikin Turkiyya da kuma bakin tekun Crimea.
Wakilan manya da ke fuskanta daga fararen fata suna cikin kwanciyar hankali. An jera dabbar dolfhin farar fata a cikin Littafin Lissafi azaman ƙaramin abu ne mai ƙarancin ilimin halitta wanda ke buƙatar kariya da kariya.
Kariya na Dolfhin da Fuskokin Fuskokin Fari
Hoto: Dabbar dolphin da ke fuskar Rasha
Kwanan nan, a cikin karni na karshe, dabbobin ruwa sun fara farauta. An lalata su ko'ina cikin mazauninsu. Wannan ya haifar da hallakar da wasu nau'ikan waɗannan dabbobi na musamman. A yau, kama ba don masana'antu bane ko dalilan abinci, amma don kamun kai.
Dabbobin masu fasaha na zamani sun iya shirya wasan kwaikwayo gaba daya, suna baiwa yaransu da tsofaffi halinsu cikin nutsuwa da farin ciki. Amma a cikin zaman talala, dabbar dolphins ba za ta iya rayuwa tsawon rai ba, shekaru 5-7 ne kawai, kodayake a yanayin suna rayuwa har zuwa shekaru 30.
Abubuwa da yawa masu mahimmanci suna tasiri raguwa a rayuwar rayuwar dabbar dolphin:
- karancin ayyukan dabbobi
- karancin wurin shakatawa,
- rashin daidaita tsarin abinci.
Sadarwa tare da irin waɗannan dabbobi masu salama da ban sha'awa kamar dabbar dolphin na iya zama mai ban sha'awa ba kawai, har ma yana da amfani.
A yau, ana gudanar da gwaje-gwaje masu ban sha'awa da nasara masu yawa don warkar da ƙarancin yara, cututtukan ƙwayar mahaifa da sauran cututtukan kwakwalwa ta hanyar sadarwa tare da dabbobin ruwa. A cikin aiwatar da sadarwa na dabba tare da yaro mara lafiya, janar da ingantawa gaba ɗaya na halayyar ɗabi'a ke faruwa.
Da fatan a gaba dabbar dollon-kai Ba za ta zama nau'in dabbobi masu haɗarin haɗari ba, za ta faranta wa yara da tsofaffi wasanni tare da wasannin sa da ban dariya.
Dimorphism na jima'i
Dabbar dolphin mace tana da guda ɗaya na urogenital wanda ke shimfiɗa kai ɗaya da ciki. Hakanan ya mamaye mafita daga tsubbu. Ta hanyar jijiyar murfin katako mai girma wanda yake a gaban mace, wata karamar clitoris ta fito da kyau, jikin mahaifa da wata farin farin membrane ya wakilta. Kwayar halittar jikin mace daga dabbar dolphin ita ce labia minora da labia majora.
Abin ban sha'awa ne! Ya kamata a lura cewa maza masu dabbar dollon fararen fata, dangane da girman jikin mutum, kamar yadda aka saba, sunada girman mace.
Halin halittar dabbar dolphins na maza yana da alaƙa da kasancewar gabanin farji, wanda ke raba al'aura da fitowar fir. Dolphins basu da kyanwa, kuma ramin ciki shine wurin da gwaje-gwajen suke. A ƙarƙashin yanayin zafin jiki na jiki a matakin 37 ° C, maniyyin maniyyi ya ci gaba a cikin yanayin al'ada, kuma matsanancin zafin jiki na wannan aikin shine 38 ° C.
Habitat, mazauni
Dabbobin ruwa masu shayarwa dabbobi ne ke zaune a Arewacin Atlanta daga bakin Faransa zuwa Tekun Barents. Hakanan, wurin zama na halitta na wakilin wannan nau'in dabbar dolphin daga umarnin Cetaceans da halittar Tsubbucin dabbar dolphins yana iyakance ne ga Labrador da kuma ruwan Davis Strait, zuwa Massachusetts.
A cewar masana, wannan mazaunin ruwa mai ruwa yana tartsatsi sosai a cikin ruwan Tekun Yaren Norway da kuma Tekun Arewa, suna zaune yankuna a gefen Tekun Biritaniya da Norway. An tattara manyan dabbobin fararen dabbobin da ke cikin fararen fata a cikin Varanger Fjord. Yawan jama'a a wannan wuri ya kai burin dubun dubbai a kowane garke.
A cikin hunturu, yanayin farin dabbar dolphins ya fi son yin ƙaura zuwa wuraren kudu na kewayon, inda aka lura da yanayin yanayin zafi da kwanciyar hankali. A Rasha, ana samun irin wannan dabbobi masu shayarwa ko'ina a duk gabar tekun Murmansk da kuma kusa da gabar masunta. Sanannen lamari ne game da kasancewar dabbar dolphins mai launin fari a cikin Tekun Fina Finai da Riga, amma irin wannan wurin na dabbobi masu shayarwa mai yiwuwa ya zama ruwan dare. Ana samun yawancin mutane tare da gabar ruwan Sweden a yankin Baltic.
A cikin ruwa na Davis Strait, dabbar dolfhin farar fata suna bayyana a cikin bazara tare da kifin shimfidu, bayan narwhal da beluga Whale, waɗanda sune ainihin haɗari ga dabbobi masu shayarwa, barin wannan ƙasa. Koyaya, ya zuwa watan Nuwamba, mazaunan ruwa na ruwa suna ƙoƙarin yin ƙaura da wuri-wuri kusa da kudanci, inda yanayin yake zama mai gamsarwa.
Farin dabbar dolfhin da ke fuskar fari
Dabbobin fari-masu kawunan launin fata an rarrabe su azaman dabbobin ruwa. Irin waɗannan wakilan nau'in dabbar dolphin daga umarnin Cetaceans da halittar dabbobin Shortan gajeren dabbobin suna ba da fifiko akan kifi, har da crustaceans da mollusks.
Abincin irin waɗannan manyan mazaunan ruwa na ruwa suna samun nasu, saboda haka abincin dabbobi ya bambanta.
Dabbobi masu shayarwa suna cin cod, herring, capelin da sauran kifaye. Dabbobin dolphin ba su da haɗari ga mutane. Koyaya, akwai wasu sanannun lokuta lokacin da mazaunan ruwa na ruwa ke kawo wa mutane matsala. Dabbobi masu kyawawan halaye masu kyau wadanda suke da kyawawa kuma suna da sha'awar wasa da daskararru. Wasannin karkashin ruwa, dabbobin ruwa suna bibiyar manyan algae.
Abin ban sha'awa ne! Bayan cin abinci, dabbobin da ke cike da fararen fata sun kasu kashi kananan kananan kungiyoyi, wadanda ke motsawa da sauri isa cikin matakai daban daban.
A lokacinsu na kyauta daga neman abinci da hutawa, cetaceans na manya sun fi so ayi wauta kusa da hanzarta zuwa kilomita 35-40 a sa'a daya, haka kuma suna yin ruwa mai sanyi da yawa. A kimiyance tabbatacce ne amfanin amfani da duban dan tayi wanda dolphins suka buga akan ɗan adam. Godiya ga wasa, son sani da kuma kyakkyawar dabi'a, ana amfani da irin wannan dabbobi masu shayarwa a cikin wuraren dolphinariums da wuraren shakatawa na ruwa.
Kiwo da zuriya
Zamani na mating aiki da bayyanar zuriya an haife shi ne kawai a cikin watanni na lokacin zafi. Matsakaicin shekarun haihuwa na mace fararen dabbar dolphin kusan watanni goma sha ɗaya.
Don wani lokaci bayan haihuwa, mace tayi ƙoƙarin kasancewa dabam da sauran membobin iyali tare da su. Yana ɗaukar shekaru bakwai zuwa goma sha biyu don ƙananan dolphins su girma, girma da ƙarfi kuma su isa ga balaga. A duk tsawon wannan lokacin, mace na koya wa 'ya'yanta dabarun farko na rayuwa, gami da samun abinci da kiyaye rayuwarta cikin mawuyacin yanayi.
Dabbobi masu ban mamaki kuma masu matukar daraja waɗanda ke rayuwa a cikin ruwa, suna da mafi kyawun murya da mafi girman murya, sun sami damar fitar da yawan zagi da kururuwa, dannawa daban-daban, kazalika da sauran nau'ikan murnan daban daban. Ba abin mamaki ba duk dabbar dolphin, har da fararen fata, sun shahara saboda matakin haɓaka su. Yawancin lokaci irin waɗannan dabbobi suna ƙoƙarin taimakawa ba kawai 'yan uwansu kabilu ba, har ma mutanen da suke cikin matsala, nutsuwa ko nutsar da ruwa.