Cov dej qwj yog cov kev txiav txim ntawm lub thoob dej yug ntses. Lawv nqus cov seem ntawm cov khoom noj uas tsis tau noj ntses, ntxuav cov nplooj algae. Ntau cov kws paub tawm tswv yim ua ntej ntawm txhua tus mus nce qhov thoob dej yug ntses nrog qwj. Yog li, snails yog ib qho tseem ceeb hauv lub neej ntawm cov thoob dej yug ntses. Cia peb kawm saib ua li cas thoob dej yug ntses qus.
Aquarium snails - kev luam
Muaj ntau ntau yam ntawm Aquarium snails, thiab lawv muab ntau yam sib txawv. Xav txog cov qauv no.
Chev Snails
Cov qwj qwj qes tshaj plaws. Cov molluscs no yog tib-poj niam txiv neej, yog li nws tsis tsim nyog muaj ob peb lub qwj qwj qis thiaj li muab tau lawv. Nws yuav txaus thiab ib tug neeg. Qwj nteg qe ntawm phab ntsa ntawm thoob dej yug ntses, pob zeb los yog nplooj ntawm cov nroj tsuag. Feem ntau tshwm sim li ntawd, thaum yuav ib yam dej tsaws tsag, ua ke nrog nws koj yuav tau txais thiab qe. Tom qab, me me qos yaj ywm yuav tshwm los ntawm lawv. Luam tshab ntawm Aquarium snails ntawm coils tshwm sim sai sai, thiab sai lub aquarist yuav puzzle tshaj yuav ua li cas kom tshem ntawm cov nyiaj seem ntawm cov mollusks.
Ampularia
Ampularia yog suav hais tias yog ib qho ntawm cov neeg nyiam tshaj plaws ntawm cov dej hauv av. Yog li, ntau amateur-aquarists nyiam ua li cas hauv qab cov qos yaj ywm qe daj ntawm ampularia multiply. Luam cov dej haus thoob dej yug ntses ampularia tshwm sim hauv cov cua. Nws lays qe saum cov dej theem: ntawm phab ntsa los yog lub iav ntawm lub thoob dej yug ntses. Loj ampullaria qe yog sau nyob rau hauv ib tug ntom masonry, zoo li ib pawg ntawm grapes. Nws maturation yuav siv sij hawm qhov chaw hauv 2-4 lub lim piam.
Los ntawm txoj kev, koj yuav tsum paub tias ampularia yog dioecious: ntawm lawv muaj ob leeg poj niam thiab txiv neej, tab sis nws yog qhov nyuaj heev rau ib tug neeg kom paub qhov txawv ntawm lawv. Yog li, yog tias koj xav tau dilute lub ampullar, koj yuav tsum tau muag txog tsib cov neeg, cov uas muaj tseeb yuav tuaj nyob thoob plaws cov poj niam thiab txiv neej.
Melania
Ib lub viviparous qwj, hu ua melania , thim sai heev thiab unproblematically. Lawv nyob hauv av. Ua tsaug rau cov mollusks, cov av tas li loosens thiab tsis qaub. Cov qwj uas tau tshwm sim yog li ntawm 1 cm ntawm qhov loj thiab yog ib daim qauv ntawm nws niam nws txiv. Vim tias qhov ceev ntawm kev luam, melanias tuaj yeem puv cov thoob dej yug ntses tag nrho, thiab lo lus nug txog kev txo lawv cov naj npawb yuav tshwm sim. Tab sis nws yuav nyuaj heev ua li no.
Dej snails muaj txiaj ntsim zoo thiab ua haujlwm raws li kev nthuav dav rau cov thoob dej yug ntses. Txawm li cas los, nws yog ib qhov tsim nyog los saib xyuas lawv cov kev luam, txij li dhau lawm dhau ib tus neeg ntawm cov mollusks muaj peev xwm ua puas tag nrho cov nroj tsuag.