Caecilians: wakilan (photo)

A bambancin da fauna daga wannan duniya tamu ne manya-manyan. Akwai tsakanin membobinta, da kuma irin ban sha'awa jinsunan halittar dabba mai kafafuwa kamar yadda Caecilians. "Caecilians" In ba haka ba an kira su.

Detachment Caecilians: tsarin fasali

Outwardly, suka kama manyan tsutsotsi. Wannan kama shi ne saboda kasancewar da yawa zobe-dimbin yawa jiki motsa. The kananan shugaban an haɗa da dogon jiki, ba su da wani wutsiya ko kuma wata gabar jiki. Cloaca aka located a na baya iyakacin duniya na jiki.

Girma ba yakan wuce 45 cm. Amma akwai wani togiya. Shi ne game da caecilians Thompson, sunã a cikin Colombian duwãtsu. Jiki da shi na iya kai tsawon 1.2 mita.

Karkashin fata a caecilians ne na musamman Sikeli, wanda akwai ãyõyi na m magabatan gashi legless halittar dabba mai kafafuwa.

Yana yana da halaye na wadannan kwayoyin kifi: gaban a kan saurã daga cikin notochord manyan lamba (200-300) na vertebrae. The zuciya kunshi daya atrium raba da wani bai cika bangare, da kuma daya ventricle. Features forebrain Tsarin nuna wani mataki na caecilians, idan aka kwatanta da sauran halittar dabba mai kafafuwa.

Karbuwa ga yanayi

Caecilians rayuwa karkashin kasa. A sakamakon wannan ne rashin ido - ido. Su farkon da aka boye a kasa da fata, ko girma a cikin kashi. Jita-jita kuma talauci ci gaba. Auditory rami da kuma ba eardrum, can cikin kunne can, amma ya na da wani dangane da yanayi. Saboda haka, legless halittar dabba mai kafafuwa suna iya kama ne kawai m sauti a mita na 100-1500 Hz. Poor ci gaban na sama hankula sakamakon da mai kyau ji na wari.

Launi ne quite suna fadin. Skin launi jeri daga m da kuma ruwan kasa baki. Homeliness taimaka caecilians a sake kama. Akwai ware. A yanayi, za ka iya samun kofe na haske rawaya da blue.

Abinci mai gina jiki da kuma motsi

Ci blindworm, earthworm, schitkohvostymi macizai, kwari ƙasa kuma molluscs. Wasu siphonops a matsayin ƙanana da matsakaitan abinci amfani tururuwan da kuma tururuwa.

Caecilians daidai saba da su hanyarsa ta rayuwa. Little m shugaban da ke sa shi sauki shirya hanya a karkashin kasa. Harkar ta taimaka dogon jiki da kuma babban adadin gamsai. Its saki ya auku godiya ga m fata gland mayar da hankali a cikin zobba na agara. Wannan yanayin kubutar da caecilians daga hare hare macizai, wanda tururuwai suka gina da kuma tururuwa.

baza

Tropical yankunan da gumi sauyin yanayi - shi ne manufa mazauninsu ga caecilians. Su ne na kowa a cikin tsibiran Pacific da kuma Indian tekuna. a cikin kogin tsarin na Colombia, da Amazon da Orinoco. A Afirka, da Amirka, da Asiya, da waɗannan halittar dabba mai kafafuwa ne mai tartsatsi ne. Kada rayuwa a Australia da kuma Madagascar.

haifuwa

Cikakken nazarin a kan wannan batu da aka gudanar. Amma abu daya ne wasu: na ciki haifuwa. Cloaca maza iya juya daga cikin samar da wata copulatory sashin jiki, ta hanyar abin da zai yiwu aiwatar da wannan ma'abota. Wannan yanayin characterizes dukan dabbobi detachment Caecilians. Wakilai na cewa live a ruwa, saya don wannan mahara na'urorin. A musamman, su cloaca aka anesthetized fayafai. Tare da su taimako, dangane da aka dabbar ta hanyar canjin mutane. Duration na ma'abota 3 h. Ba kamar mafi sauran halittar dabba mai kafafuwa sa su qwai a cikin m ƙasa, caecilians ba da ake bukata domin wannan kogi ko lake.

Su yi amfani da nasu ruwa maimakon slime. Caecilians tawagar kuma siffofi da wani live haihuwa. Duration na ciki ne 6 watanni ko fiye, hasken zo daga 3 zuwa 7 Pups. Jariri jiki tsawon na 10 cm, da kuma sauran, su ne cikakkar kofe na manya detachment Caecilians. Photo Sun gabatar a kasa.

Daga farkon zamanin nasu feed a kan gill bags, wanda ya fitar da su mace.

Detachment Caecilians: Wakilai

Tsakiyar Amirka caecilians rayuwa a Guatemala. The mace irin wannan shi ne iya zuwa kai daga 15 zuwa 35 qwai. Sauran ranakun haihuwar ta auku a watan Mayu da Yuni, a lokacin da damana farawa. Tsawon Pups haife tsakanin 11 da 16 mm. Duk da kankanin size, su ne sosai mobile kuma mai yiwuwa. M girma damar da su riga a cikin shekaru biyu zuwa haihuwa.

The mace szhatohvostogo caecilians kafa daga 6 zuwa 14 qwai. Lokacin da larvae isasshen gwaiduwa ba a qwai, suna zaba daga cikin kwai harsashi, amma ba tukuna haife. Su habitats don wani lokaci, shi ne mahaifiyar ta oviduct. A matasa caecilians a lokacin riga leaf-dimbin yawa hakora. Tare da su taimako, suka kankara ganuwar su wucin gadi tsara, wadda take kaiwa zuwa gamsai gina jiki saki. Yana da suka ci.

Oxygen suka kuma samu daga cikin mahaifiyarsa. Tare da taimakon, sun "jingina" to ganuwar da oviduct, kuma suka haka oxygen shiga manyan gelatinous gills data kasance larvae.

Ga ƙasar caecilians rybozmeya zaune a India, Sri Lanka da kuma manya Sunda Islands, halin da kwai kwanciya.

Su ne manyan, daya kama shi ne tsakanin 10 da 25 guda. Saboda da m membrane rufe su da kuma musamman protrusions, da wanda qwai ne a haɗe da juna, 'yan maruƙa dunƙule ne seboy m taro. The mace birgima zobe kuma hatches qwai yakan hukunta greasing su tare da gamsai. Saboda wannan, su ƙãrã a size da kusan sau 4. Hatched, wadannan legless dabbobi masu rarrafe, da wakilai daga cikin mazan ƙarni suke ƙasar, wasu lokaci suke zaune a cikin ruwa har sai kun karshe girma.