Dua li ntawm qhov tseeb hais tias ib tug neeg tsis tshua muaj peev xwm paub qhov txawv ntawm ib tug txiv neej qwj los ntawm ib tug poj niam (thiab ntau ntawm lawv kuj hermaphrodites), thiab txuas ncaj qha rau kev luam cov tsiaj, ntau tus xav paub txog cov txheej txheem ntawm cov txheej txheem no rau ntau hom qwj. Hom kev paub no yuav pab tau yog tias koj xav kom tswj tus naj npawb ntawm cov tsiaj txhu hauv cov thoob dej yug ntses thiab paub tias thaum twg yuav tau ua tiav.
Ahatina Qwj - Luam
Akhatiny - hermaphrodites, uas pib muab tsim tawm ntawm lub hnub nyoog ntawm rau lub hlis. Tom qab tiv tauj nrog cov kabmob sib deev nyob ntawm lub taub hau, cov qwj tsis noj, thiab tom qab ob peb lub lis piam lawv ib leeg qe qe. Thawj tshwm sim yog cov npliag lub qe uas qhia txog cov kev cai ntawm cov poj koob yawm txwv, tom qab twg, nyob rau hauv cov thoob dej thoob plaws hauv thoob dej yug ntses, ib rab diav txuas mus txog 400 qe dawb qis nrog zag. Feem ntau, cov qe loj hlob mus txog 3 lub lis piam thiab qhov kev loj hlob nce nyob ntawm qhov kub hauv nruab nrab.
Luam tshab ntawm qwj hauv tsev tsis yog ib qho teeb meem nyuaj, vim hais tias nws tsis tuaj yeem npaj kom tau qhov xeeb ntxwv ntawm ob peb txhiab txawm tias tsis muaj dab tsi, thiab ntau cov neeg cog qoob loo tawm 2-3 snails, thaum so tseem raug khov, rubbed thiab muab rau cov kwv tij ua cov zaub mov complementary.
Ampulary snails - luam
Tsis zoo li ahatin, ampularia yog dioecious, tab sis ib tug neeg tsis pom lawv cov poj niam txiv neej, tab sis vim yog koj npaj yuav pib qe qwj hauv ib thoob dej yug ntses, pib 4-6 ampoules tam sim ntawd. Tom qab mating, tus poj niam nteg ib lub hnab nrog qe saum nplaim dej. Lub offspring tsim nyob rau hauv 2-3 lub lim piam (nyob ntawm qhov kev mob) thiab hatch twb tag nrho tsim.
Helen qwj - kev luam
Predatory Helen kuj yog dioecious, thiab yog li ntawd yuav tsum tau ceev cia nyob rau hauv ib qho nyiaj ntawm 4 pieces. Tom qab cov mating, lub qwj qes tawm ntawm cov qe uas pib tshwm hauv 20-30 hnub ntawm cov dej. Tom qab hatching, me heleni me poob mus rau hauv qab, burrow rau hauv av thiab loj hlob mus txog 3 hli.