Pvc Ntses Pas

Ib tug poj niam nkaus xwb yuav tso tawm 100,000 rau 3 lab lub qe, tiam sis tsis yog tas nrho yuav tsum tau fertilized. Cov qoob loo ntawm cov qoob loo ua tau nplaum thiab yuav ua raws li hauv qab substrate thaum sib cuag. Nws yuav siv sij hawm 8-15 hnub rau lub embryos kom paub mus rau hauv larval ntses. Thaum lub sij hawm ntawd, lawv nyob ntawm seb lawv lub nkev qes rau cov khoom noj khoom haus. Cov dej ntws tuaj yeem ua rau cov qe hauv qab qhov chaw qis, xws li oxbows thiab sloughs qhov twg yog cov dawb-ua zaub mov kib yuav siv lawv thawj xyoo pub rau cov menyuam kab thiab crustacea. Thaum lawv thawj xyoo ntawm txoj kev loj hlob, lawv yuav mus txog 18 mus rau 20 cm (7.1 mus rau 7,9 hauv) ntev thiab rov mus rau hauv cov dej ntws nrawm nrawm hauv cov dej loj.

Peb cov ntaub ntawv pov thawj PVC:

Peb zoo dua:

Txhua yam txaus siab pls kindly tiv tauj peb:

reevoo@reevoo.net.cn

Cim npe nrov: pvc ntses pas dej, Tuam Tshoj, tuam ntxhab, lwm tus neeg, lub hoobkas, tuam txhab, lag luam wholesale, khoom