Ngakhale kuti munthu sangathe kusiyanitsa nkhono kuchokera kwa akazi (komanso ambiri a iwo amphongo), komanso zimakhudza kwambiri kubereka kwa nyama, ambiri amakhala ndi chidwi ndi zomwe zimachitika mu nkhono zosiyanasiyana. Kudziwa kotereku kudzakuthandizani ngati mukufuna kuwerengera chiwerengero cha zinyama zomwe zili mu aquarium ndikudziwa nthawi yomwe mungayembekezere kubwezeretsanso.
Nkhono za Ahatina - Kubalanso
Akhatiny - hermaphrodites, omwe amayamba kubereka ali ndi zaka zisanu ndi chimodzi. Mutatha kuyankhulana ndi ziwalo zogonana zomwe zili pamutu, nkhono zimasiyana, ndipo patapita masabata angapo umodzi wa iwo amaika mazira. Yoyamba kuoneka ilibe mazira omwe amasonyeza njira za makolo, pambuyo pake, pamtunda uliwonse mumtambowu, nkhono imakwera mazira oyera 400 ndi ana. Kawirikawiri, mazira amapitirira masabata atatu ndipo kukula kwake kumadalira kutentha kwa sing'anga.
Kubwereka kwa nkhono panyumba si nkhani yovuta, chifukwa sizingatheke kukonzekera mbeu ya mazana angapo ngakhale kwachabechabe, ndipo obereketsa ambiri amachokera ku makola 2-3, pamene ena onse akusungunuka, amawombera ndi kuperekedwa kwa abale monga zakudya zowonjezera.
Nkhono za Ampulary - kubereka
Mosiyana ndi ahatin, ampularia ndi dioecious, koma munthu sangathe kudziwa momwe alili, koma chifukwa ngati mukukonzekera kuyamba kuswana makola mumtambo wa aquarium, yambani 4-6 ampoules mwamsanga. Pambuyo pa kukwatira, mkaziyo amaika thumba ndi mazira pamwamba pa madzi. Mbewu imayamba mkati mwa masabata 2-3 (malingana ndi momwe ziriri) ndi kuphulika kale.
Helen akunjenjemera - kubereka
Predatory Helen nayenso ndi dioecious, choncho ayenera kusungidwa muchuluka cha zidutswa 4. Pambuyo pa kukwatira, nkhono imatulutsa mazira omwe amatha masiku 20-30 pamwamba pa madzi. Pambuyo potsuka, tinthu tating'ono tomwe timagwera pansi, tibwere pansi ndikukula mpaka 3 mm.