Lub qwj ntawm cov paj hlwb muaj qhov loj me me los ntawm ib nrab thiab ib nrab mus rau ob thiab ib nrab centimeters. Nws sawv nrog ib lub plhaub kab sib xyaw nrog cov txiv neej los ntawm txiv kab ntxwv rau lub teeb xim av. Cov txaij muaj ntau hom duab tuab thiab txawv, zoo li muaj peev xwm tsis muaj kab, tab sis cov vaj tse peb tog, semicircles, dots. Lub cev ntawm mollusk yog hemispherical thiab yog txawv los ntawm ib tug zoo nkauj tus saum npoo. Lub cev feem ntau muaj xim nyob rau hauv cov xim, ua kom tiav nrog lub plhaub. Neretin feem ntau hu ua tus tsov qij los yog ib thaj nees vim nws yog xim.
Cov nta ntawm cov khoom ntawm qwj ntawm rutin
Dej hauv cov thoob dej yug ntses yog xav tau nrog qhov tsis muaj zog tshaj 7 phaus thiab acidity saum 5 degrees. Txwv tsis pub, lub plhaub ntawm shellfish yuav vau, thiab lawv yuav tuag. Lub peculiarity ntawm no hom ntawm cov tib neeg yog lawv tsis muaj peev xwm muab tsim nyob rau hauv ib tug tshiab ib puag ncig. Lawv xav tau me ntsis dej qab ntsev rau qhov pom ntawm cov tub ntxhais hluas. Qhov no kuj yog lawv qhov kom zoo dua - lawv tsis nyob hauv lub nkoj nrog lawv cov pejxeem. Qwj ntawm Neretinum nyob txog peb-plaub xyoo.
Aquarium snails ntawm Neretina noj yuav luag txhua lub algae. Lawv ntxuav lub pas dej ntawm cov quav hniav ntawm cov nroj tsuag, pob zeb, phab ntsa, yog cov kws saib xyuas zoo heev. Cov qwj no zoo li no yog cov thoob dej yug ntses. Lawv noj nrog kev noj mov zoo algae, thiab nyob cov nroj tsuag tsis txhob kov.
Nws yog ib lub tswv yim kom rov ua khoom noj ntxiv nrog spirulina, npauj npauj, raws li cov nroj tsuag tsis tau yug nws tus kheej nrog algae ib leeg.
Cov shellfish no yog cov kabmob zoo nkauj zoo nkauj thiab tsis cuam tshuam tag nrho cov thoob dej yug ntses. Tab sis kom lawv nrog ntses txhoj puab heev tsis pom zoo.
Qhov teeb meem tsuas yog nrog lawv yog kev muaj peev xwm khiav tawm ntawm lub pas dej, yog li ntawm lub thoob dej yug ntses yuav tsum kaw nruj nreem. Qaub ntub ntawm Neretin yog qhov zoo tshaj plaws thiab cov cwj pwm tsis zoo ntawm cov dej haus thoob dej haus. Lawv ci ntsa iab, funny thiab lawv yeej nyiam mus saib.