Loggerhead (Carretta caretta) wani nau'in kunkuru ne na teku. Wannan shine kawai wakilin da ke cikin jinsin Loggerheads ko kuma abin da ake kira tudun tekun loggerhead, wanda aka fi sani da itacen loggerhead ko caretta.
Bayanin Loggerhead
Gangar jikin itace kunkururan teku masu girman girman jiki, tare da karapace 0.79-1.20 m tsawo kuma yana da nauyin kilogram 90-135 ko ƙari kaɗan. Fyallen gaba suna da filo guda biyu masu ƙyalli. A yankin baya na dabbar teku, akwai nau'i-nau'i biyar, wakiltar kejin haƙarƙari. Yaran yara suna da alamomi uku masu tsawo.
Bayyanar
Dabba mai rarrafe tana da madaidaiciyar madaidaiciya madaidaiciya tare da madaidaiciyar fuska... An rufe kan dabbar teku tare da manyan garkuwa. Tsoffin muƙamuƙan suna da ƙarfi, wanda ke ba da damar murƙushe ma harsashi mai kauri da baƙinciki na ganima da ke tattare da wasu ɓarkewar ruwan teku cikin sauƙi da sauri.
Fyallen gaba kowane ɗayan yana da filo mara kyau. Abubuwa huɗu na gaba suna gaban idanun dabba. Adadin ƙananan yankuna na iya bambanta daga goma sha biyu zuwa goma sha biyar.
Ana nuna yanayin Carapace da launin ruwan kasa, ja-kasa-kasa ko launin zaitun, kuma launin plastron yana wakiltar launuka masu launin rawaya ko kirim. Fata daga dabbobi masu rarrafe jaja-ja ne mai launin ja. An rarrabe maza da dogon wutsiya.
Salon kunkuru
Loggerheads ƙwararrun masu iyo ne ba kawai a saman ba, har ma a ƙarƙashin ruwa. Kunkuruwar teku galibi baya buƙatar dogon lokaci a doron ƙasa. Irin wannan dabbar daji mai rarrafe tana iya kasancewa a nesa mai nisa daga bakin teku na dogon lokaci. Mafi yawanci, ana samun dabbar da yawa daga daruruwan kilomita daga bakin teku, kuma tana hutawa ne a saman ruwa.
Yana da ban sha'awa! Gudun daji suna rugawa gaba ɗaya zuwa gabar tsibirin ko nahiyar mafi kusa musamman a lokacin kiwo.
Tsawon rayuwa
Duk da kyakkyawar ƙoshin lafiya, tsawon rai mai ma’ana, akasin maƙasudin da aka yarda da shi da kuma karɓar ra’ayi, galibi ba sa bambanta. A matsakaita, irin wannan dabbobi masu rarrafe na rayuwa kusan shekaru talatin.
Wurin zama da mazauni
Ana nuna kunkuntar loggerhead ta hanyar rarraba kayan aiki. Kusan duk wuraren da irin wannan yanayi na rarrafe suna cikin yankuna masu sassaucin ra'ayi da yanayi. Ban da yammacin yankin Caribbean, ana yawan samun manyan dabbobin ruwa a arewacin Tropic of Cancer da kuma a kudancin Tropic of Capricorn.
Yana da ban sha'awa! A yayin gudanar da binciken DNA na mitochondrial, ya yiwu a tabbatar da cewa wakilai na gidajan daban sun fadi bambancin jinsi, sabili da haka, ana zaton cewa matan wannan jinsin sukan koma yin kwai daidai a wuraren haihuwarsu.
Dangane da bayanan bincike, ana iya samun daidaikun mutane daga wannan nau'in kunkuru a arewa a cikin ruwa mai tsafta ko ruwa, a cikin Tekun Barents, da kuma a yankin La Plata da tekun Ajantina. Dabbobi masu rarrafe sun fi son zama a cikin masu keɓaɓɓu, kyawawan ruwan bakin teku ko fadama masu dausayi.
Abincin loggerhead
Kunkuruwar loggerhead na cikin jinsin manyan masu cin abincin ruwa... Wannan nau'in yana da komai, kuma wannan hujja tabbas babu makawa ce da kuma. Godiya ga wannan fasalin, ya fi sauƙi ga babban dabbobi masu rarrafe su sami ganima kuma su wadatar da kansu da isasshen abinci.
Mafi yawanci, kunkuntar katako suna ciyar da nau'ikan invertebrates, crustaceans da molluscs, gami da jellyfish da manyan katantanwa, sponges da squid. Hakanan, abincin kifin na katako yana wakiltar kifi da raƙuman ruwa, wani lokacin ma har da tsire-tsire masu tsire-tsire iri-iri, amma dabbar tana ba da fifiko ga zafin teku.
Sake haifuwa da zuriya
Lokacin kiwo na loggerhead yana cikin lokacin rani-kaka. Tan kunkuru masu manyan kai yayin aiwatar da ƙaura zuwa wuraren kiwo suna iya iyo nesa da kilomita 2000-2500. A lokacin ƙaura ne aikin nishaɗin maza ga mata ya faɗi.
A wannan lokacin, maza sauƙaƙe suna cizon mata a wuya ko kafaɗu. Mating yana faruwa ba tare da la'akari da lokacin rana ba, amma koyaushe a saman ruwa. Bayan saduwa, matan na ninkaya zuwa wurin da aka tanada, bayan haka suna jira har zuwa dare sai kawai su bar ruwan tekun.
Dabbobi masu rarrafe suna rarrafe da rarrafe a gefen bankunan sand sand, suna wucewa iyakar igiyar ruwa. Gidajen da aka kafa a cikin busassun wurare a bakin teku, kuma sune na farko, ba ramuka masu zurfin gaske ba, wanda mata ke haƙa tare da taimakon ƙafafun kafa da ƙarfi.
Yawanci, girman girman loggerhead yana kamawa daga ƙwai 100-125. Qwaiwan da aka sa suna zagaye kuma suna da bawan fata. An binne rami tare da ƙwai tare da yashi, bayan haka mata da sauri suka shiga cikin teku. Dabbobi masu rarrafe sukan dawo gidansu na laulayi duk bayan shekara biyu zuwa uku.
Yana da ban sha'awa! Kunkuruwar katako na Loggerhead sun isa balagar jima'I da wuri, saboda haka suna iya haihuwar zuriya ne kawai a shekara ta goma ta rayuwa, wani lokacin ma har daga baya.
Tsarin ci gaba na kunkuru na ɗaukar kimanin watanni biyu, amma na iya bambanta dangane da yanayin yanayi da halayen muhalli. A zazzabi na 29-30game daCi gaba yana hanzarta, kuma an haifi mace mai yawan gaske. A lokacin sanyi, ana haihuwar maza da yawa, kuma tsarin ci gaban kansa yana tafiyar hawainiya sosai.
Haihuwar kunkuru a cikin gida daya kusan lokaci daya ne... Bayan haihuwa, sabuwar turtuwa ta ɗauki bargon yashi tare da ƙafafunsu kuma suka matsa zuwa teku. A yayin motsi, adadi mai yawa na yara sun mutu, suna zama sauƙin ganima ga manyan tsuntsayen teku ko dabbobin da ke cin ganimar ƙasa. A lokacin shekarar farko ta rayuwa, kunkuru matasa suna rayuwa a cikin kaurin algae mai ruwan kasa.
Makiya na halitta
Abokan gaba waɗanda ke rage yawan dabbobi masu rarrafe sun haɗa da ba maƙaryata kaɗai ba, har ma mutanen da ke shiga tsakani a cikin sararin samaniyar irin wannan wakilin tsirrai na teku. Tabbas, ba za'a kashe irin wannan dabbar ba saboda nama ko harsashi, amma qwai na wannan halittar mai rarrafe ana daukarta a matsayin abinci mai dadi, wanda ake amfani dashi sosai a girki, ana sanya shi a kayan zaki kuma ana siyar dashi.
A kasashe da yawa, ciki har da Italiya, Girka da Cyprus, farautar gandun daji a yanzu ba ya bisa doka, amma har yanzu akwai wuraren da ake amfani da kwan ƙwai a matsayin sanannen abin da ake da shi na aphrodisiac.
Hakanan, manyan abubuwan rashin tasirin da ke shafar raguwar sananne a cikin yawan adadin irin waɗannan dabbobi masu rarrafe sune canje-canje a yanayin canjin yanayi da daidaita bakin gabar teku.
Ma'ana ga mutum
Kunkuru masu manyan kai ba su da wata illa ga mutane... A cikin recentan shekarun nan, an sami wani yanayi na sanya itacen gogewar a matsayin ɗan dabba mai ban sha'awa.
Yana da ban sha'awa! 'Yan Cuba suna cire ƙwai masu ƙwanƙwasa daga mata masu ciki, suna shan hayakinsu a cikin oviducts suna sayar da su kamar nau'in tsiran alade, kuma a Colombia suna shirya abinci mai daɗi daga gare su.
Akwai mutane da yawa da suke son mallakar irin waɗannan dabbobin da ba a saba gani ba, amma dabbobi masu rarrafe da aka siya don kula da gida ya kai ga mutuwa da kuma raɗaɗi, tunda kusan ba shi yiwuwa a samar da irin wannan mazaunin cikin ruwa tare da cikakken filin kansa.
Yawan jama'a da matsayin jinsin
An lasafta nau'ikan loggerheads a matsayin nau'ikan nau'ikan cutarwa a cikin Littafin Ja, kuma suna cikin jerin Yarjejeniyar azaman dabbobin da aka haramta don kasuwancin duniya. Dabbobin dabba mai rarrafe dabbobi ne da ke da kariya a ƙarƙashin dokokin ƙasashe kamar su Amurka, Cyprus, Italiya, Girka da Turkiya.
Har ila yau, ya kamata a lura cewa a cikin dokokin filin jirgin sama na ƙasa da ƙasa a kan yankin tsibirin Zakynthos, an gabatar da dokar hana tashi da saukar jirgin sama daga 00:00 zuwa 04:00. Wannan doka ta kasance saboda gaskiyar cewa yana cikin dare a kan rairayin bakin teku na Laganas, wanda ke kusa da A wannan filin jirgin saman, masu yin katako suna sa ƙwai gaba ɗaya.
