Kifi mai zurfi - jinsuna, halaye na al'ada, tsari na kifin nama

Kifi na Luchepery yana cikin babban nau'i, wanda ya hada da kusan kashi 95 cikin dari na duk wadanda suka san koguna, koguna, tekuna da teku. Wannan aji yana yalwace a cikin dukkanin ruwayen ruwa na duniya kuma yana da rassan reshe a cikin babban nau'i na ƙashi.

Lucheperye fishes (actinopterygii) sun sami suna daga harshen Helenanci da Latin. Ya ƙunshi sassa biyu - "ray" da "alkalami". Wannan suna yana da haɗi tare da tsari na ƙera.

Juyin Halitta

Tun da yake dukkanin nau'o'in kifaye da takwarorinsu na ruwa suna nazari sosai, kowane ilimin kimiyya a cikin wannan yanki yana da sha'awa ga masana kimiyya. Saboda haka an gano cewa kwarangwal burbushin da ke nuna kifaye yana da shekaru 420. Bisa ga tsarinsa, an ƙaddara cewa yana da tsattsauran ra'ayi na wani nau'i na jinsunan siffofi. Irin wannan binciken ya zo a fadin kasar Rasha, Estonia da kuma Sweden.

Wadannan mahimman bayanai masu muhimmanci sun kasance sune matasa fiye da miliyan 200. Wadannan su ne kwarangwal na farko na fishes, wanda ya zama mamaye nau'in jinsuna iri daya, wanda ake kira ray-kifi. Ana fitowa da yawancin jinsunan jinsuna shine saboda gaskiyar cewa lokacin juyin halitta an tilasta su dace da yanayi daban-daban da kuma matakai daban-daban na hasken rana. Akwai kungiyoyi masu dangantaka waɗanda aka tilasta su dace da saurin sauye-sauyen a duniya.

Fassara na farko

Dukkan nau'i na "kifi mai ƙuƙumi" ya kasu kashi biyu:

• Ganoin kifi;
• Fresh kifi.

Kayan gine-gine sun hada da sassan biyu na tarihi da 12. Yawan kifi a cikin ƙauye suna kiran wani ƙarami, yawancin nau'o'in nau'i ne na kifi.

Duk da cewa sun kasance wakilai na ɗayan ɗalibai, sun bambanta sosai a cikin bayyanar da tsarin.

Lucheperye kifi. Yanayin halayen rukuni na kifi ganoid

Rukuni na farko, raƙuman kifi, wanda ya ƙunshi umarnin hudu. Mafi yawan da kuma tartsatsi daga cikinsu su ne tsige. Tsarin wakilai na wannan tsari yana da mahimmanci, kusan dukkanin kwarangwal yana kunshe da guringuntsi, wanda babu wani nau'i mai rarrabe. An shirya jikin a cikin layuka 5 na farar lu'u-lu'u na lu'u-lu'u.

Chondrostei bambanta daga cartilaginous kifi dimbin yawa kwanyar kasũsuwa, ashe, gill tayoyin da gaban da iyo mafitsara. Masu bincike-kamar kamfanonin cartilaginous sun haɗa da wasu kyawawan kifi masu cinikayya, wakilai na sutura, sturgeon, beluga da sauransu.

Tsarin rukuni na kifi mai cin nama

Ƙungiyar ta biyu ita ce mafi girma. Jiki na kifin nama yana rufe da farantin fata, wanda a cikin mutane ana kiransa Sikeli. An daidaita Sikeli bisa ka'idar shingles. Ana rarrabe su ta hanyar zoben ƙara, wanda zaka iya ƙayyade shekarun mutum.

Kwangwal na fata yana kunshe da ƙananan tsirrai, wanda aka haɗuwa ta hanyar ligaments, yana barin jiki na kifin ya sauya. Kowace sashi na kashin baya, sai dai don ɓangaren cylindrical, yana da akwati tare da tsari mai sassauci. Gayyadadden jigon magunguna na ƙwaƙwalwar ita ce ƙirƙirar tashar don kare ƙananan igiya. An sauko daga ƙasa daga ƙananan ƙwayoyin tafiyar matakai, wanda aka ƙera ƙasusuwan kasusuwan.

Kifiyar Luchepery daga rukuni na kaya yana da kwanciyar kafa, wanda ya kunshi ƙasusuwan da yawa. Kwaƙwalwar kwakwalwa tana kiyaye shi ta akwatin kwalliya. Tare da ƙasusuwa na kashin baya, kullun ba shi da lalata.

An kafa tsarin kwayar halitta ta hanyar kwarangwal da tsokoki, wanda aka sanya a cikin motsi motsi, gill cover, jaws. Kayan kifin da aka yi wa rayayyu yana motsawa saboda sashin wutsiya da babban fin. Daidaitawa da daidaitattun lokacin motsi suna samar da ƙarancin marasa lafiya. Kuma ƙafafun da aka haɗa tare da riƙe da matsayin daidai na jiki a cikin ruwa kuma su zama jagoran motar.

Dabbobi daban-daban

Ruwan ruwa mai haske da yawancin nau'in kifaye na teku, wanda yake cikin ɗayan ɗalibai, suna da fifiko daban-daban da bayyanarta. Bambanci a cikin girman ya bambanta daga 8 mm zuwa 11 m. Nauyin wakilan wakilai na iya kaiwa 2,235 kg, watau kifi, wadda aka kama a 1908 a yankin Sydney.

By ray-finned kifi ne duk wani nau'i na herring, da yawa Salmoniformes kifi, ruwa tare da teku eels, irin kifi, kifi, catfish, cod, stickleback, mullet da kuma duk wani nau'i na perch da kuma zurfin.

Dabbobi masu yawa

Zaka iya yin jerin jerin masu ban sha'awa masu ban sha'awa da ke cikin zurfin teku da kuma na cikin gida na aquariums na wannan aji. Mafi haske daga cikinsu shine:

• Kifi Murjan, wanda babban idanu ya bambanta da launin ruwan launi na Sikeli;
• Mala'ika kifi, adorns tẽku da haske ratsi da fishnet canza launin flakes.
• Ruwa na ruwa, haɗuwa da abin da zai iya zama haɗari, saboda yana da abu mai guba a cikin ƙafa;
• seahorse, wanda zai iya yi ado da wani akwatin kifaye;
• Kifi karkashinotrofeus, dauke da qwai a bakin;
• A glamor da lashe daraja a cikin aquarists ba kawai tare da kyakkyawan bayyanar, amma kuma bauta wa ta biyu.

Wasu wakilai na wannan aji sun fito saboda tsarin juyin halitta. Ya zuwa yanzu, mafi yawan kifayen da suke zaune a kogunan, koguna da teku na duniyarmu, ko fiye da kashi 95% na dukan jinsunan da suke ciki, su ne lucopers. Hakika, yana da wuya a bayyana dukkan wakilan. Akwai su da yawa daga cikinsu, amma duk abin sha'awa ne don nazarin wannan aji, gano ƙarin bayani game da shi. Ba'a sani ba ne ko duk mazaunan teku da tekuna sun san mutane, watakila sabon binciken da kuma jin dadin rayuwa suna jiran mu.