La haifuwar kifi Tsari ne mai ban sha'awa wanda ya bambanta dangane da nau'in da yanayin da suke rayuwa. Akwai dabaru iri-iri na haifuwa da ke ba wa waɗannan dabbobi damar dawwamar jinsunansu da kuma tabbatar da rayuwar zuriyarsu. A cikin wannan labarin za mu tattauna dalla-dalla nau'ikan nau'ikan haifuwar kifi daban-daban, tare da ba da fifiko na musamman akan oviparous kifi, ban da ambaton dabbobin viviparous da ovoviviparous.
Nau'in haifuwa a cikin kifi
Kifi na iya haifuwa ta hanyoyi daban-daban dangane da yadda embryos ke tasowa. Manyan rukunan su ne:
- Kifi mai yawa: ajiya qwai a cikin ruwa don hadi na waje.
- Kifi mai raɗaɗi: las matasa Suna tasowa a cikin jikin uwa kuma an haife su cikakke.
- Kifi mai yawa: da qwai Ana ajiye su a cikin jikin mahaifiyar har sai sun kyankyashe.
- Kifin Hermaphroditic: Suna da gabobin haihuwa na jinsin biyu kuma suna iya canza jinsi bisa ga yanayi muhalli
- Parthenogenetic kifi: Suna haihu ba tare da buƙatar hadi daga namiji ba.
Sake haifuwa da kifin kifi
Yawancin jinsuna de peces Suna haifuwa ta hanya oviparous, ma'ana cewa mata suna yin ƙwai waɗanda namiji ke haɗewa a waje. Wannan dabarar haihuwa ta zama ruwan dare gama gari a cikin ruwa mai dadi da kuma nau'in ruwa da yawa.
hadi na waje
Oviparous kifi yi da hadi na waje, wato mace ta ajiye kayan qwai Namiji kuwa ya sake nasa maniyyi a cikin ruwa domin taki su. Ana iya yin hakan ta hanyoyi daban-daban, kamar:
- Barin qwai yawo a cikin ruwa.
- Haɗa su ga duwatsu ko tsire-tsire na ruwa.
- Ana binne su a cikin ƙasan ruwa ko yashi.
Kariyar qwai
A yawancin lokuta, kifi ba sa kula da qwai bayan kwanciya, barin su a kan rahamar muhalli da mafarauta. Koyaya, wasu nau'ikan suna da dabarun kariya, kamar:
- Gina kumfa nests, halayyar beta kifi.
- Yin amfani da marbles ko raga a cikin akwatin kifaye don hana qwai a cinye.
- Baki ya buge, inda qwai Ana kiyaye su a bakin iyaye har sai sun kyankyashe.
Haifuwa na kifin viviparous
Viviparous kifi, irin su guppies da kuma mollys, suna da nau'i na haifuwa irin na dabbobi masu shayarwa. Hadi yana faruwa a cikin jikin uwa, inda amfrayo ci gaba har zuwa lokacin haihuwa.
Fa'idodin wannan tsarin sun haɗa da ƙimar rayuwa mafi girma ga matasa, tun da an haife su da girma da ci gaban da ya dace don kare kansu daga mafarauta.
Haihuwar kifin ovoviviparous
Kifin Ovoviviparous yana haɗa halayen kifin oviparous da viviparous. A wannan yanayin, da qwai Ana ajiye su a cikin jikin uwa har sai sun yi kyankyashe kafin haihuwa. Kifin da ke amfani da wannan hanya ya haɗa da nau'ikan nau'ikan irin su babban kifin shark da manta ray.
Hermaphroditism a cikin kifi
Wasu nau'ikan de peces, kamar kifin serrano, suna da ikon canza jima'i a duk rayuwarsu. Akwai manyan nau'ikan hermaphroditism guda biyu a cikin kifi:
- Hermaphroditism lokaci guda: Kifi suna da gabobin namiji da na mace suna aiki lokaci guda.
- Tsarin hermaphroditism: Kifin ya fara rayuwa a matsayin namiji sannan ya zama mace (proterandric) ko akasin haka (proterogynous).
Hijira na haihuwa a cikin kifi
Wasu nau'ikan de peces Suna ɗaukar dogon hijira don haifuwa. Alamar alamar ita ce ta kifi, wanda aka haifa a cikin ruwa mai dadi, yana ƙaura zuwa teku kuma ya koma koguna don hayayyafa. Wani misali kuma shi ne kashin Turai, wanda ke ƙaura daga koguna zuwa Tekun Sargasso don haifuwa.
Fahimtar haifuwar kifin yana da mahimmanci don kiyaye kifin aquarium na gida da kuma kiyaye nau'ikan a cikin daji. Kowane nau'in haifuwa yana bayarwa abubuwan amfani y kalubale na musamman don tsira ga zuriya. Daga hadi na waje a cikin kwayoyin oviparous zuwa viviparity a wasu nau'ikan, kifaye sun kirkiro dabaru iri-iri don tabbatar da dawwama a cikin halittun ruwa.