Wadatacce
- Menene kifin huhu
- Kifin huhu: halaye
- Kifin huhu: numfashi
- Piramboia
- Kifin kifi na Afirka
- Kifin kifi na Australia
Kai kifi na huhu samar da wani rukuni na kifaye sosai m, wadanda ke da ikon shakar iska. Duk nau'in halittu masu rai a cikin wannan rukunin suna rayuwa a kudancin duniya, kuma a matsayin dabbobin ruwa, ilimin halittar su an ƙaddara shi ta wannan hanya.
A cikin wannan labarin ta PeritoAnimal, za mu shiga duniyar kifin huhu, yadda suke kama, yadda suke numfashi, kuma za mu ga wasu misalai na nau'in na kifin huhu da halayensu.
Menene kifin huhu
Kai dipnoic ko kifi rukuni ne na kifaye na ajin sarcopterygii, wanda kifin da yake da shi lobed ko naman nama.
Dangantakar haraji na kifin huhu da sauran kifaye yana haifar da jayayya da jayayya tsakanin masu bincike. Idan, kamar yadda aka yi imani, rarrabuwa na yanzu daidai ne, waɗannan dabbobin dole ne suna da alaƙa da ƙungiyar dabbobi (Tetrapodomorpha) waɗanda suka haifar da tetrapod vertebrates na yanzu.
an sani a halin yanzu nau'in kifi na huhu guda shida, an haɗa su zuwa iyalai biyu, lepidosirenidae da Ceratodontidae. Lepidosirenids an tsara su zuwa jinsi guda biyu, Protopterus, a Afirka, tare da nau'ikan halittu huɗu, da nau'in halittar Lepidosiren a Kudancin Amurka, tare da nau'in guda. Iyalin Cerantodontidae yana da nau'in guda ɗaya kawai, a Ostiraliya, Neoceratodusfosteri, wanda shine mafi kyan halittar kifin huhu.
Kifin huhu: halaye
Kamar yadda muka ce, kifin kifi yana da lobe fins, kuma ba kamar sauran kifaye ba, kashin baya ya kai ƙarshen jiki, inda suke haɓaka ƙyallen fata guda biyu waɗanda ke aiki azaman ƙege.
Suna da huhu biyu masu aiki a matsayin manya. Waɗannan suna fitowa daga bangon ventral a ƙarshen pharynx. Baya ga huhu, suna da gills, amma kawai suna aiwatar da kashi 2% na numfashin dabba babba. A lokacin matakan tsutsa, waɗannan kifayen suna numfashi godiya ga gutsun su.
Suna da ramukahanci, amma ba sa amfani da su don samun iska, a maimakon haka suna da sana'aƙanshi. Jikinsa ya lullube da ƙananan sikeli waɗanda aka saka a cikin fata.
Wadannan kifayen suna rayuwa a ciki m ruwan nahiyar kuma, a lokacin rani, suna nutsewa cikin yumɓu, suna shiga wani irin rashin barciko rashin barci. Suna rufe bakunansu da “murfi” na yumɓu wanda ke da ƙaramin rami wanda iskar da ake buƙata don numfashi za ta iya shiga. Dabbobi ne masu rarrafe, kuma namiji ne ke kula da kula da zuriya.
Kifin huhu: numfashi
Kifi na huhu yana da huhu biyu kuma yana da tsarin zagayawar jini tare da da'irori biyu. Waɗannan huhu suna da ƙyalli da ɓangarori da yawa don haɓaka sararin musayar gas, kuma su ma suna da yawa.
Don numfashi, waɗannan kifaye tashi zuwa farfajiya, bude baki da fadada kogon baki, yana tilasta iska shiga. Daga nan sai su rufe bakunan su, su matse kogon baki, kuma iska ta shiga cikin mafi girman ramin huhu. Yayin da bakin da ramin gaban huhu ya kasance a rufe, ramin na baya yana yin kwangila yana fitar da iskar da numfashin da ya gabata ya bari, yana barin wannan iska ta opercles (inda galibi ake samun gills a cikin kifin mai shan ruwa). Da zarar an fitar da iskar, ɗakin baya yana yin kwangila kuma yana buɗewa, yana ba da damar iska ta wuce zuwa ɗakin baya, inda musayar gas. Na gaba, duba kifin huhu, misalai da bayanin mafi sanannun nau'in.
Piramboia
Dala (Pyramid)Lepidosiren paradox) yana ɗaya daga cikin kifayen huhun huhu, ana rarraba su ko'ina cikin kogin Amazon da sauran sassan Kudancin Amurka. fiye da mita.
Yana zaune a cikin m kuma zai fi dacewa har yanzu ruwa. Lokacin bazara ya zo da fari, wannan kifin gina burrow a cikin yumɓu don kiyaye danshi, barin ramuka don ba da damar huhun huhu.
Kifin kifi na Afirka
O Protopterus ya haɗa yana daya daga cikin nau'in kifi na huhu cewa rayuwa a afirka. Hakanan an fasalta shi kamar ƙura, kodayake ƙege -ƙusoshi suna da yawa doguwa da tsiri. Tana zaune a ƙasashen yamma da tsakiyar Afirka, amma kuma wani yanki na gabas.
Wannan kifi yana da halaye na dare kuma da rana yana nan a ɓoye cikin ciyayi na ruwa. A lokacin fari, suna haƙa rami inda suke shiga a tsaye don bakin ya ci gaba da hulɗa da yanayin. Idan matakin ruwan ya faɗi ƙasa da ramin su, za su fara sirrin gamsai don kiyaye danshi a jikin ku.
Kifin kifi na Australia
Kifin kifi na Australiya (Neoceratodus forsteri) yana zaune a cikin kudu maso yammacin Queensland, a Ostiraliya, akan kogunan Burnett da Mary. IUCN ba ta tantance shi ba tukuna, don haka ba a san matsayin kiyayewa ba, amma haka ne kariya ta yarjejeniyar CITES.
Ba kamar sauran kifayen huhu ba, da Neoceratodus forsteriyana da huhu ɗaya kawai, don haka ba zai iya dogara ne kawai kan numfashin iska ba. Wannan kifin yana rayuwa cikin zurfi a cikin kogin, yana ɓoyewa da rana kuma yana tafiya a hankali a ƙasan gindin laka. Manyan dabbobi ne, masu tsawon mita fiye da daya a cikin girma da fiye da fam 40 na nauyi.
Lokacin da matakin ruwa ya faɗi saboda fari, waɗannan kifayen huhun suna kasancewa a ƙasa, saboda suna da huhu ɗaya kawai kuma suna buƙatar yin numfashin ruwa ta hanyar gills.
Idan kuna son karanta ƙarin labarai makamantansu Kifin huhu: halaye da misalai,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.