Kifin zebra (Pterois volitans) na dangin kunama ne, irin kifin zakin fari, kifi mai aji.
Rarraba kifin zebra.
Ana samun kifin zebra a yankin Indo-Pacific. An rarraba shi a Yammacin Australia da Malaysia a cikin Marquesas Islands da Oeno; a arewa zuwa kudancin Japan da Koriya ta Kudu; ciki har da South Lord Howe, Kermadec da South Island.
An kama kifin zebra a cikin wani bakin teku kusa da Florida lokacin da aka lalata akwatin kifaye a lokacin guguwar Andrew a 1992. Kari akan haka, wasu kifin suna sakin cikin teku bazata ko kuma da gangan mutane. Menene sakamakon ilmin halitta na wannan gabatarwar da ba zato ba tsammani na kifin zebra cikin sabon yanayi, ba wanda zai iya hango ko hasashensa.
Mazaunin kifi na Zebra
Kifin Zebra da farko yana zaune ne a cikin raƙuman ruwa, amma yana iya iyo a cikin dumi, ruwan teku na yankuna masu zafi. Suna son yin sama-sama tare da duwatsu da murjani a cikin dare da ɓoyewa a cikin kogoji da rami da rana.
Alamomin waje na kifin zebra.
Kifin zebra ana rarrabe shi da kyakkyawan shugaban kansa da jikinsa tare da ratsi mai-ja ko launin ruwan kasa mai launin ruwan kasa warwatse akan asalin rawaya. Fusoshin bayan hanji da na dubura suna da layuka masu duhu na aibobi a bangon haske.
An banbanta kifin alfadari da sauran nau'ikan kunama ta wurin kasancewar 13 maimakon jijiyoyin wuyan wuyan dafin, kuma suna da dogayen 14 kamar gashin tsuntsu. Farar dubura tare da kashin baya 3 da haskoki 6-7. Kifin zebra na iya yin tsayi zuwa tsayi na tsawon 38 cm. Sauran siffofin na bayyanar waje sun haɗa da ƙuzurun kasusuwa waɗanda ke tafiya a gefen kai da kuma fafe-fafe, wani ɓangare yana rufe idanuwa biyu da buɗe hanci. A saman idanun duka ana iya ganin fitowar abubuwa na musamman - "shinge".
Kiwo kifin zebra.
A lokacin kiwo, kifin zebra ya taru a ƙananan makarantun kifi 3-8. Lokacin da kifin zebra ke shirin haihuwa, sai a sami bambance-bambancen waje tsakanin mutane daban-daban.
Launin launin fata na maza ya zama mai duhu kuma ya zama daidai, ba a bayyana ratsi sosai.
Mata na zama masu farauta yayin haihuwa. Ciki, yankin pharyngeal, da bakinsu ya zama fari fat. Saboda haka, namiji yana saurin gano mace a cikin duhu. Yana nutsewa zuwa ƙasa kuma ya kwanta kusa da mace, yana tallafawa jiki da fincin ƙashin ƙugu. Sannan yayi bayanin da'ira a kusa da mace, ya hau saman ruwan bayan ta. A lokacin hawan, ƙasan firam ɗin da mace ke yi wa kaɗa. Ma'auratan na iya saukowa su hau cikin ruwa sau da yawa kafin su fara haihuwa. Mace sai ta saki bututu biyu na huda da suke shawagi a ƙasan ruwan. Bayan kamar mintuna 15, waɗannan bututun sun cika da ruwa kuma sun zama ƙwallo masu tsayi 2 zuwa 5 cm a diamita. A cikin waɗannan ƙwallon mucous ɗin, ƙwai suna kwance cikin yadudduka 1-2. Adadin kwai daga 2000 zuwa 15,000. Namijin yana sakin ruwan kwayar halitta, wanda ke shiga cikin kwayayin kuma ya yi musu taki.
Embryos sun fara zama bayan awanni goma sha biyu bayan hadi. Bayan awanni 18 kan ya bayyana kuma toya ya bayyana awanni 36 bayan hadi. Yayin da ya cika kwana huɗu, tsutsa suna yawo da kyau kuma suna cin ƙananan ciliates.
Fasali na halayen kifin zebra.
Kifin alfadari kifi ne na dare wanda ke motsawa cikin duhu ta amfani da jinkirin, motsawar ƙugu da ƙoshin fuka. Kodayake suna ciyarwa galibi har zuwa 1 na safe, wani lokacin suna ciyarwa da rana. A wayewar gari, kifin zebra ya ɓuya a cikin mafaka tsakanin murjani da kankara.
Kifi yana rayuwa cikin ƙananan ƙungiyoyi a lokacin shekarun soya da yayin saduwa.
Koyaya, a mafi yawan rayuwarsu, kifin baligi mutane ne masu kaɗaici kuma suna kare tashar su da ƙarfi daga wasu kifin zakin kifi da na kifaye iri daban-daban ta amfani da daddawu masu guba a bayansu. Kifin zebra na maza ya fi na mata ƙarfi. A lokacin zawarci, namiji yakan kusanci mai kutsawa ta hanyar amfani da finka mai tazara sosai yayin da abokan gaba suka bayyana. Bayan haka, da damuwa, yana iyo a nan da can, yana nuna ƙaya mai dafi a bayansa a gaban abokan gaba. Lokacin da mai gasa ya kusanto, ƙayoyin suna girgiza, kai yana girgiza, kuma namijin yana ƙoƙari ya ciji kan mai laifin. Wadannan cizon muguwar cizon na iya fisge sassan jiki daga abokan gaba, bugu da kari, mai kutsawar yakan yi tuntuɓe a kan ƙaya mai kaifi.
Kifin zebra kifi ne mai hatsari
A cikin kifin kifin, glandon dafin da ke ciki suna cikin ɓacin rai na rawanin spiny na farkon ƙarshen dorsal. Kifi baya afkawa mutane, amma idan haɗuwa ta haɗu da ƙayayuwa masu guba, jin zafi mai zafi yana ci gaba na dogon lokaci. Bayan hulɗa tare da kifi, ana lura da alamun alamun guba: zufa, ɓacin rai, lahani ga aikin zuciya.
Abincin zebra na abinci.
Kifin zebra yana samun abinci tsakanin manyan murjani. Suna ciyarwa galibi akan ɓawon burodi, da sauran ɓarna da ƙananan kifi, gami da soyayyar nau'insu. Kifin alfadari yana cin nauyin jikinsa sau 8.2 a shekara. Wannan nau'in yana ciyarwa a faɗuwar rana, wannan shine mafi kyawun lokaci don farauta, saboda rayuwa a cikin murjani mai ruɗi tana aiki a wannan lokacin. A faɗuwar rana, nau'ikan kifaye da kifaye masu juyawa zuwa wurin hutawa, kuma kwayoyin halittar dare suna fita don ciyarwa. Kifin alfadarin ba ya bukatar aiki tuƙuru don neman abinci. Kawai suna zamewa sama tare da duwatsu da murjani kuma suna hayewa ganima daga ƙasa. Motsi mai laushi a cikin ruwa tare da kalar kariya ba zai haifar da fargaba ga wadanda abin ya shafa nan gaba ba, kuma ƙananan kifi ba sa amsawa kai tsaye ga bayyanar kifin kifi. Tsarin launuka iri-iri a jiki yana bawa kifin damar haɗuwa tare da bangon rassan murjani, kifin mai kifi da kunkuntar teku.
Kifin alfadari ya faɗo cikin sauri kuma a cikin zulfa mai haɗari ya tsotsa abin cin abincin a baki. Ana aiwatar da wannan harin cikin sauƙi da sauri cewa sauran waɗanda abin ya shafa daga makarantar kifi na iya ma ba su lura cewa ɗaya daga cikin dangin ya ɓace. Kifin zebra yana farautar kifi a cikin ruwa a bude kusa da farfajiya, suna tsammanin ganima kasa da mita 20-30 daga matakin ruwa kuma su nemi kananan makarantun kifi, wanda wani lokacin sukan yi tsalle daga ruwa, suna gujewa wasu masu farautar. Kuma idan suka sake tsunduma cikin ruwa, sai su zama ganimar kifin zaki.
Baya ga kifi, kifin zebra yana cin invertebrates, amphipods, isopods, da sauran kayan kwalliya. Kifin alfadari ya zame a saman dutsen (duwatsu ko yashi) kuma ya yi rawar jiki tare da hasken fincinsu don fitar da ƙananan ganima zuwa cikin ruwan buɗe.
Lokacin da akwai abinci da yawa, kifin yana tafiya a hankali a cikin ruwa, zasu iya tafiya ba tare da abinci ba aƙalla awanni 24.
Kifin zebra yana girma cikin sauri kuma ya kai manyan girma tun yana ƙarami. Wannan fasalin yana ƙaruwa da damar tsira da kiwo cikin nasara.
Matsayin kiyayewa na kifin zebra.
Ba a lissafa kifin zebra a matsayin mai haɗari ko haɗari. Koyaya, yawan gurɓatar yanayi a cikin murjun murjani ana sa ran kashe ƙananan ƙananan kifi da ɓawon burodi da ke ciyar da kifin zebra. Idan kifin zebra ba zai iya daidaitawa da waɗannan canje-canje ta hanyar zaɓar wasu hanyoyin abinci ba, to, yawansu zai zama koyaushe yana raguwa a nan gaba.
