Wadatacce
- Abincin dorinar ruwa
- Menene dorinar ruwa na wasu nau'in ke ci?
- Ta yaya dorinar ruwa ke farauta?
- narkar da dorinar ruwa
Octopuses sune cephalopod da molluscs na ruwa waɗanda ke cikin odar Octopoda. Babban fasalulluwar sa shine kasancewar 8 ƙare wanda ke fitowa daga tsakiyar jikin ku, inda bakin ku yake. Jikunansu suna da farar fata, kamannin gelatinous, wanda ke ba su damar canza siffa da sauri kuma suna iya daidaitawa zuwa wurare kamar ramuka a cikin duwatsu. Octopuses dabbobi ne masu rarrabewa na musamman, masu hankali kuma suna da hangen nesa mai zurfi, da kuma tsarin juyayi mai rikitarwa.
Dabbobi daban -daban na dorinar ruwa suna zaune a fannoni daban -daban na muhalli, kamar yankunan abyssal na tekuna da yawa, yankuna na tsaka -tsaki, murjani murjani har ma da yankuna marasa galihu. Hakanan, hadu a duk tekuna a duniya, ana iya samunsa a cikin ruwa mai sanyi da sanyi. Kuna son sanin abin da dorinar ruwa ke ci? Da kyau, ci gaba da karanta wannan labarin ta PeritoAnimal kuma za mu gaya muku duka game da ciyar da wannan dabba mai ban mamaki.
Abincin dorinar ruwa
Dorinar ruwa dabba ce mai cin nama, wanda ke nufin cewa yana ciyarwa sosai kan abincin asalin dabbobi. Abincin cephalopods yana da sauyi sosai kuma kusan dukkanin nau'ikan dabbobi ne masu farauta, amma gaba ɗaya ana iya rarrabe shi biyu asali model:
- Kifin cin kifi.
- Octopuses da ke ciyar da crustaceans: a gefe guda, akwai nau'ikan da ke dora abincinsu galibi akan custaceans kuma a cikin wannan rukunin ana samun nau'in rayuwar benthic, wato, waɗanda ke zaune a ƙarƙashin teku.
Menene dorinar ruwa na wasu nau'in ke ci?
Yana da mahimmanci a nuna cewa a lokuta da yawa abin da dorinar ruwa zai ci zai dogara ne akan mazaunin inda suke zaune da zurfin, misali:
- Babban dorinar ruwa (octopus vulgaris): mazaunin ruwan da ke buɗe, yana ciyarwa galibi akan crustaceans, gastropods, bivalves, kifi da wasu ƙananan ƙananan ciflopods.
- zurfin tudun ruwa: wasu, kamar mazaunan teku masu zurfi na iya cinye tsutsotsi, polychaetes da katantanwa.
- Benthic jinsunan octopuses: Dabbobi iri -iri galibi suna motsawa tsakanin duwatsu a saman tekun yayin da suke guguwa tsakanin ramukansa don neman abinci. Suna yin wannan godiya ga iyawarsu ta daidaita fasalin su, kamar yadda muka gani, dorinar ruwa ba ta da bambanci, kuma kyakkyawan gani.
Ta yaya dorinar ruwa ke farauta?
Octopuses suna da ɗabi'ar farauta mai matuƙar ƙarfi saboda iyawarsu ta kwaikwayon wuraren da suke. Wannan yana faruwa godiya ga aladu da ke cikin epidermis ɗin su, wanda ke ba su damar yin hakan tafi gaba daya ba a lura da su ba, sanya su daya daga cikin halittu masu rufin asiri a duniyar dabbobi.
Dabbobi ne masu hazaka da kyawawan mafarauta. Ta yaya za su inganta kansu ta hanyar fitar da jirgin ruwa, iya saurin kai farmakin su yayin da suke ɗaukar ta tare da ƙarshensu an rufe su da kofunan tsotsa suna kawowa zuwa bakinsu. Yawancin lokaci, lokacin da suka kama abin farauta, suna allurar guba da ke cikin ruwansu (cephalotoxins), wanda shanyayyen ganima cikin kusan dakika 35 don jim kadan bayan an yanke masa jiki.
A cikin yanayin bivalve molluscs, alal misali, suna aiki ta hanyar raba bawuloli tare da tankokinsu don yin allura. Hakanan gaskiya ne ga kaguwa waɗanda ke da harsashi mai ƙarfi. A gefe guda, sauran nau'in suna iya hadiye haƙoran gaba ɗaya. .
Ƙarshensu yana da ikon faɗaɗa ta kowace hanya ta hanyar da ta dace, wanda ke ba su damar cimmawa kama abin ganima ta iko iko tsotsa rufe dandano masu karɓa. A ƙarshe, dorinar ruwa na jan hankalin abin da yake farautar da shi zuwa bakinsa, wanda aka ba shi da ƙugi mai ƙarfi tare da tsarin ƙaho (chitinous), ta hanyarsa yana iya tsinke abin da ya ci ganima, har ma da haɗe -haɗe masu ƙarfi na wasu ganima, irin su crustaceans.
A gefe guda, yana da kyau a lura cewa a cikin nau'in mallakar Stauroteuthis, yawancin mazaunan tekun, ana canza sashin ƙwayoyin tsoka da ke cikin kofunan tsotsar tantuna. Wadannan sel masu iya fitar da haske suna basu damar samar da bioluminescence, kuma ta wannan hanyar yana iya yaudarar abin da ya ci a bakinsa.
Wani labarin PeritoAnimal wanda zai iya sha'awar ku shine wannan game da yadda kifin ke hayayyafa.
narkar da dorinar ruwa
Kamar yadda muka sani, dorinar ruwa dabba ce mai cin nama kuma yana cin dabbobi iri -iri. Dangane da irin wannan abincin, narkar da shi ya dogara sosai akan sunadarai, saboda shine babban ɓangaren tushen makamashi da mai gina nama. O tsarin narkewa ana yi cikin matakai biyu:
- lokacin extracellular: Yana faruwa a duk faɗin narkewar abinci. Anan bakin da radula suna aiki, wanda ke da tsokoki masu ƙarfi waɗanda za a iya fitar da su daga bakinsu don haka suna aiki azaman kayan ɓarna. A lokaci guda, glandan salivary yana ɓoye enzymes waɗanda ke fara narkewar abinci.
- lokacin intracellular: Yana faruwa ne kawai a cikin ƙwayar narkewar abinci. A wannan mataki na biyu, abincin da aka riga aka narkar da shi yana wucewa ta cikin esophagus sannan ga ciki. Anan tarin abinci yana da ƙasƙantar da shi godiya ga kasancewar cilia. Da zarar wannan ya faru, shayar da abubuwan gina jiki yana faruwa a cikin ƙwayar narkar da abinci, sannan kayan da ba a rage su ba ana jigilar su zuwa cikin hanji, inda za a zubar da shi a cikin nau'in fecal, watau kwallaye na abincin da ba a narkar da shi ba.
Yanzu da kuka san abin da dorinar ruwa ke ci da yadda yake farauta, kuna iya sha'awar wannan labarin na PeritoAnimal wanda ke magana game da abubuwa 20 masu daɗi game da dorinar ruwa bisa binciken kimiyya. Bugu da ƙari, a cikin bidiyon da ke ƙasa zaku iya ganin dabbobin ruwa 7 da ba a taɓa gani ba a duniya:
Idan kuna son karanta ƙarin labarai makamantansu Menene dorinar ruwa ke ci?,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.